题解

191 条题解

  • 0
    @ 2009-07-06 12:09:48

    挂表程序

    var

    i:longint;

    j:integer;

    function ss(i:longint):boolean;

    var

    k:longint;

    begin

    ss:=true;

    for k:=2 to round(sqrt(i)) do

    begin

    if i mod k=0 then

    begin

    ss:=false;

    exit;

    end;

    end;

    end;

    function hw(i:longint):boolean;

    var

    s:string;

    m,n:integer;

    begin

    hw:=false;

    str(i,s);

    m:=1;

    n:=length(s);

    while (s[m]=s[n]) and (m=n then hw:=true;

    end;

    {---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|}

    begin

    assign(output,'output.out');

    rewrite(output);

    j:=0;

    for i:=5 to 9989899 do

    if ss(i) and hw(i) then

    begin

    writeln(i,',');

    j:=j+1;

    end;

    writeln;

    writeln(j);

    close(output);

    end.

  • 0
    @ 2009-07-05 12:01:17

    可以先自己打个表……先枚举10^9以内的回文数再判断他们是否是素数。然后生成表……写完程序就一次AC了!

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 0ms

    ├ 测试数据 08:答案正确... 0ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 0ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:0ms

    打表过……

    程序很简单,就是有点BT的长……

    const

    huisu:array[1..779]of longint=(5,

    7,

    11,

    101,

    131,

    151,

    181,

    191,

    313,

    353,

    373,

    383,

    727,

    757,

    787,

    797,

    919,

    929,

    10301,

    10501,

    10601,

    11311,

    11411,

    12421,

    12721,

    12821,

    13331,

    13831,

    13931,

    14341,

    14741,

    15451,

    15551,

    16061,

    16361,

    16561,

    16661,

    17471,

    17971,

    18181,

    18481,

    19391,

    19891,

    19991,

    30103,

    30203,

    30403,

    30703,

    30803,

    31013,

    31513,

    32323,

    32423,

    33533,

    34543,

    34843,

    35053,

    35153,

    35353,

    35753,

    36263,

    36563,

    37273,

    37573,

    38083,

    38183,

    38783,

    39293,

    70207,

    70507,

    70607,

    71317,

    71917,

    72227,

    72727,

    73037,

    73237,

    73637,

    74047,

    74747,

    75557,

    76367,

    76667,

    77377,

    77477,

    77977,

    78487,

    78787,

    78887,

    79397,

    79697,

    79997,

    90709,

    91019,

    93139,

    93239,

    93739,

    94049,

    94349,

    94649,

    94849,

    94949,

    95959,

    96269,

    96469,

    96769,

    97379,

    97579,

    97879,

    98389,

    98689,

    1003001,

    1008001,

    1022201,

    1028201,

    1035301,

    1043401,

    1055501,

    1062601,

    1065601,

    1074701,

    1082801,

    1085801,

    1092901,

    1093901,

    1114111,

    1117111,

    1120211,

    1123211,

    1126211,

    1129211,

    1134311,

    1145411,

    1150511,

    1153511,

    1160611,

    1163611,

    1175711,

    1177711,

    1178711,

    1180811,

    1183811,

    1186811,

    1190911,

    1193911,

    1196911,

    1201021,

    1208021,

    1212121,

    1215121,

    1218121,

    1221221,

    1235321,

    1242421,

    1243421,

    1245421,

    1250521,

    1253521,

    1257521,

    1262621,

    1268621,

    1273721,

    1276721,

    1278721,

    1280821,

    1281821,

    1286821,

    1287821,

    1300031,

    1303031,

    1311131,

    1317131,

    1327231,

    1328231,

    1333331,

    1335331,

    1338331,

    1343431,

    1360631,

    1362631,

    1363631,

    1371731,

    1374731,

    1390931,

    1407041,

    1409041,

    1411141,

    1412141,

    1422241,

    1437341,

    1444441,

    1447441,

    1452541,

    1456541,

    1461641,

    1463641,

    1464641,

    1469641,

    1486841,

    1489841,

    1490941,

    1496941,

    1508051,

    1513151,

    1520251,

    1532351,

    1535351,

    1542451,

    1548451,

    1550551,

    1551551,

    1556551,

    1557551,

    1565651,

    1572751,

    1579751,

    1580851,

    1583851,

    1589851,

    1594951,

    1597951,

    1598951,

    1600061,

    1609061,

    1611161,

    1616161,

    1628261,

    1630361,

    1633361,

    1640461,

    1643461,

    1646461,

    1654561,

    1657561,

    1658561,

    1660661,

    1670761,

    1684861,

    1685861,

    1688861,

    1695961,

    1703071,

    1707071,

    1712171,

    1714171,

    1730371,

    1734371,

    1737371,

    1748471,

    1755571,

    1761671,

    1764671,

    1777771,

    1793971,

    1802081,

    1805081,

    1820281,

    1823281,

    1824281,

    1826281,

    1829281,

    1831381,

    1832381,

    1842481,

    1851581,

    1853581,

    1856581,

    1865681,

    1876781,

    1878781,

    1879781,

    1880881,

    1881881,

    1883881,

    1884881,

    1895981,

    1903091,

    1908091,

    1909091,

    1917191,

    1924291,

    1930391,

    1936391,

    1941491,

    1951591,

    1952591,

    1957591,

    1958591,

    1963691,

    1968691,

    1969691,

    1970791,

    1976791,

    1981891,

    1982891,

    1984891,

    1987891,

    1988891,

    1993991,

    1995991,

    1998991,

    3001003,

    3002003,

    3007003,

    3016103,

    3026203,

    3064603,

    3065603,

    3072703,

    3073703,

    3075703,

    3083803,

    3089803,

    3091903,

    3095903,

    3103013,

    3106013,

    3127213,

    3135313,

    3140413,

    3155513,

    3158513,

    3160613,

    3166613,

    3181813,

    3187813,

    3193913,

    3196913,

    3198913,

    3211123,

    3212123,

    3218123,

    3222223,

    3223223,

    3228223,

    3233323,

    3236323,

    3241423,

    3245423,

    3252523,

    3256523,

    3258523,

    3260623,

    3267623,

    3272723,

    3283823,

    3285823,

    3286823,

    3288823,

    3291923,

    3293923,

    3304033,

    3305033,

    3307033,

    3310133,

    3315133,

    3319133,

    3321233,

    3329233,

    3331333,

    3337333,

    3343433,

    3353533,

    3362633,

    3364633,

    3365633,

    3368633,

    3380833,

    3391933,

    3392933,

    3400043,

    3411143,

    3417143,

    3424243,

    3425243,

    3427243,

    3439343,

    3441443,

    3443443,

    3444443,

    3447443,

    3449443,

    3452543,

    3460643,

    3466643,

    3470743,

    3479743,

    3485843,

    3487843,

    3503053,

    3515153,

    3517153,

    3528253,

    3541453,

    3553553,

    3558553,

    3563653,

    3569653,

    3586853,

    3589853,

    3590953,

    3591953,

    3594953,

    3601063,

    3607063,

    3618163,

    3621263,

    3627263,

    3635363,

    3643463,

    3646463,

    3670763,

    3673763,

    3680863,

    3689863,

    3698963,

    3708073,

    3709073,

    3716173,

    3717173,

    3721273,

    3722273,

    3728273,

    3732373,

    3743473,

    3746473,

    3762673,

    3763673,

    3765673,

    3768673,

    3769673,

    3773773,

    3774773,

    3781873,

    3784873,

    3792973,

    3793973,

    3799973,

    3804083,

    3806083,

    3812183,

    3814183,

    3826283,

    3829283,

    3836383,

    3842483,

    3853583,

    3858583,

    3863683,

    3864683,

    3867683,

    3869683,

    3871783,

    3878783,

    3893983,

    3899983,

    3913193,

    3916193,

    3918193,

    3924293,

    3927293,

    3931393,

    3938393,

    3942493,

    3946493,

    3948493,

    3964693,

    3970793,

    3983893,

    3991993,

    3994993,

    3997993,

    3998993,

    7014107,

    7035307,

    7036307,

    7041407,

    7046407,

    7057507,

    7065607,

    7069607,

    7073707,

    7079707,

    7082807,

    7084807,

    7087807,

    7093907,

    7096907,

    7100017,

    7114117,

    7115117,

    7118117,

    7129217,

    7134317,

    7136317,

    7141417,

    7145417,

    7155517,

    7156517,

    7158517,

    7159517,

    7177717,

    7190917,

    7194917,

    7215127,

    7226227,

    7246427,

    7249427,

    7250527,

    7256527,

    7257527,

    7261627,

    7267627,

    7276727,

    7278727,

    7291927,

    7300037,

    7302037,

    7310137,

    7314137,

    7324237,

    7327237,

    7347437,

    7352537,

    7354537,

    7362637,

    7365637,

    7381837,

    7388837,

    7392937,

    7401047,

    7403047,

    7409047,

    7415147,

    7434347,

    7436347,

    7439347,

    7452547,

    7461647,

    7466647,

    7472747,

    7475747,

    7485847,

    7486847,

    7489847,

    7493947,

    7507057,

    7508057,

    7518157,

    7519157,

    7521257,

    7527257,

    7540457,

    7562657,

    7564657,

    7576757,

    7586857,

    7592957,

    7594957,

    7600067,

    7611167,

    7619167,

    7622267,

    7630367,

    7632367,

    7644467,

    7654567,

    7662667,

    7665667,

    7666667,

    7668667,

    7669667,

    7674767,

    7681867,

    7690967,

    7693967,

    7696967,

    7715177,

    7718177,

    7722277,

    7729277,

    7733377,

    7742477,

    7747477,

    7750577,

    7758577,

    7764677,

    7772777,

    7774777,

    7778777,

    7782877,

    7783877,

    7791977,

    7794977,

    7807087,

    7819187,

    7820287,

    7821287,

    7831387,

    7832387,

    7838387,

    7843487,

    7850587,

    7856587,

    7865687,

    7867687,

    7868687,

    7873787,

    7884887,

    7891987,

    7897987,

    7913197,

    7916197,

    7930397,

    7933397,

    7935397,

    7938397,

    7941497,

    7943497,

    7949497,

    7957597,

    7958597,

    7960697,

    7977797,

    7984897,

    7985897,

    7987897,

    7996997,

    9002009,

    9015109,

    9024209,

    9037309,

    9042409,

    9043409,

    9045409,

    9046409,

    9049409,

    9067609,

    9073709,

    9076709,

    9078709,

    9091909,

    9095909,

    9103019,

    9109019,

    9110119,

    9127219,

    9128219,

    9136319,

    9149419,

    9169619,

    9173719,

    9174719,

    9179719,

    9185819,

    9196919,

    9199919,

    9200029,

    9209029,

    9212129,

    9217129,

    9222229,

    9223229,

    9230329,

    9231329,

    9255529,

    9269629,

    9271729,

    9277729,

    9280829,

    9286829,

    9289829,

    9318139,

    9320239,

    9324239,

    9329239,

    9332339,

    9338339,

    9351539,

    9357539,

    9375739,

    9384839,

    9397939,

    9400049,

    9414149,

    9419149,

    9433349,

    9439349,

    9440449,

    9446449,

    9451549,

    9470749,

    9477749,

    9492949,

    9493949,

    9495949,

    9504059,

    9514159,

    9526259,

    9529259,

    9547459,

    9556559,

    9558559,

    9561659,

    9577759,

    9583859,

    9585859,

    9586859,

    9601069,

    9602069,

    9604069,

    9610169,

    9620269,

    9624269,

    9626269,

    9632369,

    9634369,

    9645469,

    9650569,

    9657569,

    9670769,

    9686869,

    9700079,

    9709079,

    9711179,

    9714179,

    9724279,

    9727279,

    9732379,

    9733379,

    9743479,

    9749479,

    9752579,

    9754579,

    9758579,

    9762679,

    9770779,

    9776779,

    9779779,

    9781879,

    9782879,

    9787879,

    9788879,

    9795979,

    9801089,

    9807089,

    9809089,

    9817189,

    9818189,

    9820289,

    9822289,

    9836389,

    9837389,

    9845489,

    9852589,

    9871789,

    9888889,

    9889889,

    9896989,

    9902099,

    9907099,

    9908099,

    9916199,

    9918199,

    9919199,

    9921299,

    9923299,

    9926299,

    9927299,

    9931399,

    9932399,

    9935399,

    9938399,

    9957599,

    9965699,

    9978799,

    9980899,

    9981899,

    9989899);

    var

    i,n,m:longint;

    begin

    read(n,m);

    for i:=1 to 779 do

    if (huisu[i]=n) then writeln(huisu[i]);

    end.

  • 0
    @ 2009-07-03 12:47:43

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 666ms

    ├ 测试数据 08:答案正确... 650ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 697ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:2013ms

    发出来倒架子。。。

    不过毕竟是我第100题。。。

  • 0
    @ 2009-06-26 19:33:56

    var

    na:array[1..10] of string;

    ans:array[1..10] of integer;

    i,j,k,np,s,x,p,q:integer;

    m,n:string;

    begin

    fillchar(ans,sizeof(ans),0);

    readln(np);

    for i:=1 to np do readln(na[i]);

    for i:=1 to np do

      begin

       readln(m);

       for j:=1 to np do if na[j]=m then begin p:=j; break; end;

       readln(s,x);

       if x0 then

        begin

         ans[p]:=ans[p]-(s div x)*x;

         for j:=1 to x do begin

          readln(n);

          for k:=1 to np do if na[k]=n then q:=k;

          ans[q]:=ans[q]+s div x;

          end;

        end

        else ans[p]:=ans[p]+s;

      end;

    for i:=1 to np do writeln(na[i],' ',ans[i]);

    end.

  • 0
    @ 2009-05-26 09:38:05

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 0ms

    ├ 测试数据 08:答案正确... 0ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 0ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:0ms

  • 0
    @ 2009-05-15 17:20:43

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 0ms

    ├ 测试数据 08:答案正确... 0ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 0ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:0ms

    枚举结果。

  • 0
    @ 2009-05-10 09:30:51

    1074ms AC 汗!

    都是一个循环,然后先判断是否为奇数位

    再判断回文,

    后素数······

  • 0
    @ 2009-05-05 20:43:00

    var

    na:array[1..10] of string;

    ans:array[1..10] of integer;

    i,j,k,np,s,x,p,q:integer;

    m,n:string;

    begin

    fillchar(ans,sizeof(ans),0);

    readln(np);

    for i:=1 to np do readln(na[i]);

    for i:=1 to np do

    begin

    readln(m);

    for j:=1 to np do if na[j]=m then begin p:=j; break; end;

    readln(s,x);

    if x0 then

    begin

    ans[p]:=ans[p]-(s div x)*x;

    for j:=1 to x do begin

    readln(n);

    for k:=1 to np do if na[k]=n then q:=k;

    ans[q]:=ans[q]+s div x;

    end;

    end

    else ans[p]:=ans[p]+s;

    end;

    for i:=1 to np do writeln(na[i],' ',ans[i]);

    end.

    还算短吧...

  • 0
    @ 2009-05-02 18:40:23

    program vijos1042;

    var ac,bc,a,vt,code,s,m,n,i:longint;

    ss:string;

    function st(vi:longint):boolean;

    var i,j:longint;

    begin

    st:=true;

    for i:=2 to trunc(sqrt(vi)) do

    begin

    if vi mod i =0 then

    begin

    st:=false;

    break;

    end;

    end;

    end;

    begin

    readln(ac,bc);

    if bc>9989899 then

    bc:=9989899;

    for i:=ac to bc do

    begin

    if (i div 30) then

    if (i div 50) then

    if odd(i) then begin

    str(i,ss);

    m:=length(ss);

    s:=m div 2;

    for n:=1 to m div 2 do

    if ss[n]=ss[m-n+1] then dec(s);

    if s=0 then val(ss,vt,code);

    if (s=0) and (st(vt)=true) then

    begin

    inc(a);

    writeln(ss);

    end;

    end;

    end;

    readln;

    readln;

    end.

    1044ms AC

  • 0
    @ 2009-06-06 11:29:05

    var m,n,i:longint;

    function hws(vi:longint):boolean;

    var i,j:longint;

    s:string;

    begin

    str(vi,s);

    i:=length(s);

    if i=1 then

    hws:=true

    else

    begin

    hws:=true;

    for j:=1 to i div 2 do

    begin

    if copy(s,j,1)copy(s,i-j+1,1) then

    begin

    hws:=false;

    break;

    end;

    end;

    end;

    end;

    function ss(vi:longint):boolean;

    var i,j:longint;

    begin

    ss:=true;

    for i:=2 to trunc(sqrt(vi)) do

    begin

    if vi mod i =0 then

    begin

    ss:=false;

    break;

    end;

    end;

    end;

    begin

    readln(m,n);

    for i:=m to n do

    begin

    if i>1000000 then break;

    if odd(i) then

    if hws(i) then

    begin

    if ss(i) then

    writeln(i);

    end;

    end;

    end.

    刚好压线!!

  • 0
    @ 2009-04-13 10:06:07

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 291ms

    ├ 测试数据 08:答案正确... 259ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 291ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:841ms

    下面有哪位不是打表的秒杀的?

  • 0
    @ 2009-04-03 08:09:11

    交USACO的程序,结果卡了评测机。。。我无语。

  • 0
    @ 2009-04-02 21:16:41

    USACO原题.

    显然在回文中找素数。

    偶数位的除了11外都不可能是素数,所以~

  • 0
    @ 2009-03-04 16:59:36

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 525ms

    ├ 测试数据 06:答案正确... 509ms

    ├ 测试数据 07:答案正确... 728ms

    ├ 测试数据 08:答案正确... 634ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 509ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:2905ms

    第一次自己10分钟写完就过了的题(A+B除外)

  • 0
    @ 2009-02-03 16:33:12

    构造回文数,再判断质数即可。

  • 0
    @ 2009-02-02 21:02:21

    难道这里的都不做USACO??

    section1里面的原题,有两个hint,简单的不行......

    先用i:1~9

    j:0~9

    ......

    构造回文数

    然后判断是否为质数,Dolphin全部0ms

  • 0
    @ 2009-01-31 18:50:34

    #include

    #include

    _Bool isprime(int n) {

    int i,p;

    if(n2) return 0;

    for(p=(int)sqrt(n),i=3;ip;

    }

    int getnum(int highpart,int digits) {

    char arr[10];

    int mid,i;

    sprintf(arr,"%d",highpart);

    arr[digits]=0;

    mid=digits-1>>1;

    for(i=digits-1;i>mid;arr[i]=arr[mid*2-i+!(digits&1)],i--);

    sscanf(arr,"%d",&i);

    return i;

    }

    int main() {

    int m,n,mdigit,ndigit,i,j,jto,num;

    scanf("%d%d",&m,&n);

    mdigit=(int)log10(m)+1,ndigit=(int)log10(n)+1;

    for(i=mdigit;i>1),jto=j*10;jn) break;

    if(num>=m&&isprime(num)) printf("%d\n",num);

    }

    return 0;

    }

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 0ms

    ├ 测试数据 08:答案正确... 0ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 0ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:0ms

    注意:偶数位回文数都能被11整除...

  • 0
    @ 2009-01-28 13:08:05

    偶数位回文数只有11是质数,这个可以降低构造回文数的工程量。

  • 0
    @ 2009-01-20 11:46:25

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 0ms

    ├ 测试数据 08:答案正确... 0ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 0ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:0ms

    var

    a:array[1..1000]of longint;

    i,j,k,m,n:longint;

    begin

    a[1]:=2;

    a[2]:=3;

    a[3]:=5;

    a[4]:=7;

    a[5]:=11;

    a[6]:=101;

    a[7]:=131;

    a[8]:=151;

    a[9]:=181;

    a[10]:=191;

    a[11]:=313;

    a[12]:=353;

    a[13]:=373;

    a[14]:=383;

    a[15]:=727;

    a[16]:=757;

    a[17]:=787;

    a[18]:=797;

    a[19]:=919;

    a[20]:=929;

    a[21]:=10301;

    a[22]:=10501;

    a[23]:=10601;

    a[24]:=11311;

    a[25]:=11411;

    a[26]:=12421;

    a[27]:=12721;

    a[28]:=12821;

    a[29]:=13331;

    a[30]:=13831;

    a[31]:=13931;

    a[32]:=14341;

    a[33]:=14741;

    a[34]:=15451;

    a[35]:=15551;

    a[36]:=16061;

    a[37]:=16361;

    a[38]:=16561;

    a[39]:=16661;

    a[40]:=17471;

    a[41]:=17971;

    a[42]:=18181;

    a[43]:=18481;

    a[44]:=19391;

    a[45]:=19891;

    a[46]:=19991;

    a[47]:=30103;

    a[48]:=30203;

    a[49]:=30403;

    a[50]:=30703;

    a[51]:=30803;

    a[52]:=31013;

    a[53]:=31513;

    a[54]:=32323;

    a[55]:=32423;

    a[56]:=33533;

    a[57]:=34543;

    a[58]:=34843;

    a[59]:=35053;

    a[60]:=35153;

    a[61]:=35353;

    a[62]:=35753;

    a[63]:=36263;

    a[64]:=36563;

    a[65]:=37273;

    a[66]:=37573;

    a[67]:=38083;

    a[68]:=38183;

    a[69]:=38783;

    a[70]:=39293;

    a[71]:=70207;

    a[72]:=70507;

    a[73]:=70607;

    a[74]:=71317;

    a[75]:=71917;

    a[76]:=72227;

    a[77]:=72727;

    a[78]:=73037;

    a[79]:=73237;

    a[80]:=73637;

    a[81]:=74047;

    a[82]:=74747;

    a[83]:=75557;

    a[84]:=76367;

    a[85]:=76667;

    a[86]:=77377;

    a[87]:=77477;

    a[88]:=77977;

    a[89]:=78487;

    a[90]:=78787;

    a[91]:=78887;

    a[92]:=79397;

    a[93]:=79697;

    a[94]:=79997;

    a[95]:=90709;

    a[96]:=91019;

    a[97]:=93139;

    a[98]:=93239;

    a[99]:=93739;

    a[100]:=94049;

    a[101]:=94349;

    a[102]:=94649;

    a[103]:=94849;

    a[104]:=94949;

    a[105]:=95959;

    a[106]:=96269;

    a[107]:=96469;

    a[108]:=96769;

    a[109]:=97379;

    a[110]:=97579;

    a[111]:=97879;

    a[112]:=98389;

    a[113]:=98689;

    a[114]:=1003001;

    a[115]:=1008001;

    a[116]:=1022201;

    a[117]:=1028201;

    a[118]:=1035301;

    a[119]:=1043401;

    a[120]:=1055501;

    a[121]:=1062601;

    a[122]:=1065601;

    a[123]:=1074701;

    a[124]:=1082801;

    a[125]:=1085801;

    a[126]:=1092901;

    a[127]:=1093901;

    a[128]:=1114111;

    a[129]:=1117111;

    a[130]:=1120211;

    a[131]:=1123211;

    a[132]:=1126211;

    a[133]:=1129211;

    a[134]:=1134311;

    a[135]:=1145411;

    a[136]:=1150511;

    a[137]:=1153511;

    a[138]:=1160611;

    a[139]:=1163611;

    a[140]:=1175711;

    a[141]:=1177711;

    a[142]:=1178711;

    a[143]:=1180811;

    a[144]:=1183811;

    a[145]:=1186811;

    a[146]:=1190911;

    a[147]:=1193911;

    a[148]:=1196911;

    a[149]:=1201021;

    a[150]:=1208021;

    a[151]:=1212121;

    a[152]:=1215121;

    a[153]:=1218121;

    a[154]:=1221221;

    a[155]:=1235321;

    a[156]:=1242421;

    a[157]:=1243421;

    a[158]:=1245421;

    a[159]:=1250521;

    a[160]:=1253521;

    a[161]:=1257521;

    a[162]:=1262621;

    a[163]:=1268621;

    a[164]:=1273721;

    a[165]:=1276721;

    a[166]:=1278721;

    a[167]:=1280821;

    a[168]:=1281821;

    a[169]:=1286821;

    a[170]:=1287821;

    a[171]:=1300031;

    a[172]:=1303031;

    a[173]:=1311131;

    a[174]:=1317131;

    a[175]:=1327231;

    a[176]:=1328231;

    a[177]:=1333331;

    a[178]:=1335331;

    a[179]:=1338331;

    a[180]:=1343431;

    a[181]:=1360631;

    a[182]:=1362631;

    a[183]:=1363631;

    a[184]:=1371731;

    a[185]:=1374731;

    a[186]:=1390931;

    a[187]:=1407041;

    a[188]:=1409041;

    a[189]:=1411141;

    a[190]:=1412141;

    a[191]:=1422241;

    a[192]:=1437341;

    a[193]:=1444441;

    a[194]:=1447441;

    a[195]:=1452541;

    a[196]:=1456541;

    a[197]:=1461641;

    a[198]:=1463641;

    a[199]:=1464641;

    a[200]:=1469641;

    a[201]:=1486841;

    a[202]:=1489841;

    a[203]:=1490941;

    a[204]:=1496941;

    a[205]:=1508051;

    a[206]:=1513151;

    a[207]:=1520251;

    a[208]:=1532351;

    a[209]:=1535351;

    a[210]:=1542451;

    a[211]:=1548451;

    a[212]:=1550551;

    a[213]:=1551551;

    a[214]:=1556551;

    a[215]:=1557551;

    a[216]:=1565651;

    a[217]:=1572751;

    a[218]:=1579751;

    a[219]:=1580851;

    a[220]:=1583851;

    a[221]:=1589851;

    a[222]:=1594951;

    a[223]:=1597951;

    a[224]:=1598951;

    a[225]:=1600061;

    a[226]:=1609061;

    a[227]:=1611161;

    a[228]:=1616161;

    a[229]:=1628261;

    a[230]:=1630361;

    a[231]:=1633361;

    a[232]:=1640461;

    a[233]:=1643461;

    a[234]:=1646461;

    a[235]:=1654561;

    a[236]:=1657561;

    a[237]:=1658561;

    a[238]:=1660661;

    a[239]:=1670761;

    a[240]:=1684861;

    a[241]:=1685861;

    a[242]:=1688861;

    a[243]:=1695961;

    a[244]:=1703071;

    a[245]:=1707071;

    a[246]:=1712171;

    a[247]:=1714171;

    a[248]:=1730371;

    a[249]:=1734371;

    a[250]:=1737371;

    a[251]:=1748471;

    a[252]:=1755571;

    a[253]:=1761671;

    a[254]:=1764671;

    a[255]:=1777771;

    a[256]:=1793971;

    a[257]:=1802081;

    a[258]:=1805081;

    a[259]:=1820281;

    a[260]:=1823281;

    a[261]:=1824281;

    a[262]:=1826281;

    a[263]:=1829281;

    a[264]:=1831381;

    a[265]:=1832381;

    a[266]:=1842481;

    a[267]:=1851581;

    a[268]:=1853581;

    a[269]:=1856581;

    a[270]:=1865681;

    a[271]:=1876781;

    a[272]:=1878781;

    a[273]:=1879781;

    a[274]:=1880881;

    a[275]:=1881881;

    a[276]:=1883881;

    a[277]:=1884881;

    a[278]:=1895981;

    a[279]:=1903091;

    a[280]:=1908091;

    a[281]:=1909091;

    a[282]:=1917191;

    a[283]:=1924291;

    a[284]:=1930391;

    a[285]:=1936391;

    a[286]:=1941491;

    a[287]:=1951591;

    a[288]:=1952591;

    a[289]:=1957591;

    a[290]:=1958591;

    a[291]:=1963691;

    a[292]:=1968691;

    a[293]:=1969691;

    a[294]:=1970791;

    a[295]:=1976791;

    a[296]:=1981891;

    a[297]:=1982891;

    a[298]:=1984891;

    a[299]:=1987891;

    a[300]:=1988891;

    a[301]:=1993991;

    a[302]:=1995991;

    a[303]:=1998991;

    a[304]:=3001003;

    a[305]:=3002003;

    a[306]:=3007003;

    a[307]:=3016103;

    a[308]:=3026203;

    a[309]:=3064603;

    a[310]:=3065603;

    a[311]:=3072703;

    a[312]:=3073703;

    a[313]:=3075703;

    a[314]:=3083803;

    a[315]:=3089803;

    a[316]:=3091903;

    a[317]:=3095903;

    a[318]:=3103013;

    a[319]:=3106013;

    a[320]:=3127213;

    a[321]:=3135313;

    a[322]:=3140413;

    a[323]:=3155513;

    a[324]:=3158513;

    a[325]:=3160613;

    a[326]:=3166613;

    a[327]:=3181813;

    a[328]:=3187813;

    a[329]:=3193913;

    a[330]:=3196913;

    a[331]:=3198913;

    a[332]:=3211123;

    a[333]:=3212123;

    a[334]:=3218123;

    a[335]:=3222223;

    a[336]:=3223223;

    a[337]:=3228223;

    a[338]:=3233323;

    a[339]:=3236323;

    a[340]:=3241423;

    a[341]:=3245423;

    a[342]:=3252523;

    a[343]:=3256523;

    a[344]:=3258523;

    a[345]:=3260623;

    a[346]:=3267623;

    a[347]:=3272723;

    a[348]:=3283823;

    a[349]:=3285823;

    a[350]:=3286823;

    a[351]:=3288823;

    a[352]:=3291923;

    a[353]:=3293923;

    a[354]:=3304033;

    a[355]:=3305033;

    a[356]:=3307033;

    a[357]:=3310133;

    a[358]:=3315133;

    a[359]:=3319133;

    a[360]:=3321233;

    a[361]:=3329233;

    a[362]:=3331333;

    a[363]:=3337333;

    a[364]:=3343433;

    a[365]:=3353533;

    a[366]:=3362633;

    a[367]:=3364633;

    a[368]:=3365633;

    a[369]:=3368633;

    a[370]:=3380833;

    a[371]:=3391933;

    a[372]:=3392933;

    a[373]:=3400043;

    a[374]:=3411143;

    a[375]:=3417143;

    a[376]:=3424243;

    a[377]:=3425243;

    a[378]:=3427243;

    a[379]:=3439343;

    a[380]:=3441443;

    a[381]:=3443443;

    a[382]:=3444443;

    a[383]:=3447443;

    a[384]:=3449443;

    a[385]:=3452543;

    a[386]:=3460643;

    a[387]:=3466643;

    a[388]:=3470743;

    a[389]:=3479743;

    a[390]:=3485843;

    a[391]:=3487843;

    a[392]:=3503053;

    a[393]:=3515153;

    a[394]:=3517153;

    a[395]:=3528253;

    a[396]:=3541453;

    a[397]:=3553553;

    a[398]:=3558553;

    a[399]:=3563653;

    a[400]:=3569653;

    a[401]:=3586853;

    a[402]:=3589853;

    a[403]:=3590953;

    a[404]:=3591953;

    a[405]:=3594953;

    a[406]:=3601063;

    a[407]:=3607063;

    a[408]:=3618163;

    a[409]:=3621263;

    a[410]:=3627263;

    a[411]:=3635363;

    a[412]:=3643463;

    a[413]:=3646463;

    a[414]:=3670763;

    a[415]:=3673763;

    a[416]:=3680863;

    a[417]:=3689863;

    a[418]:=3698963;

    a[419]:=3708073;

    a[420]:=3709073;

    a[421]:=3716173;

    a[422]:=3717173;

    a[423]:=3721273;

    a[424]:=3722273;

    a[425]:=3728273;

    a[426]:=3732373;

    a[427]:=3743473;

    a[428]:=3746473;

    a[429]:=3762673;

    a[430]:=3763673;

    a[431]:=3765673;

    a[432]:=3768673;

    a[433]:=3769673;

    a[434]:=3773773;

    a[435]:=3774773;

    a[436]:=3781873;

    a[437]:=3784873;

    a[438]:=3792973;

    a[439]:=3793973;

    a[440]:=3799973;

    a[441]:=3804083;

    a[442]:=3806083;

    a[443]:=3812183;

    a[444]:=3814183;

    a[445]:=3826283;

    a[446]:=3829283;

    a[447]:=3836383;

    a[448]:=3842483;

    a[449]:=3853583;

    a[450]:=3858583;

    a[451]:=3863683;

    a[452]:=3864683;

    a[453]:=3867683;

    a[454]:=3869683;

    a[455]:=3871783;

    a[456]:=3878783;

    a[457]:=3893983;

    a[458]:=3899983;

    a[459]:=3913193;

    a[460]:=3916193;

    a[461]:=3918193;

    a[462]:=3924293;

    a[463]:=3927293;

    a[464]:=3931393;

    a[465]:=3938393;

    a[466]:=3942493;

    a[467]:=3946493;

    a[468]:=3948493;

    a[469]:=3964693;

    a[470]:=3970793;

    a[471]:=3983893;

    a[472]:=3991993;

    a[473]:=3994993;

    a[474]:=3997993;

    a[475]:=3998993;

    a[476]:=7014107;

    a[477]:=7035307;

    a[478]:=7036307;

    a[479]:=7041407;

    a[480]:=7046407;

    a[481]:=7057507;

    a[482]:=7065607;

    a[483]:=7069607;

    a[484]:=7073707;

    a[485]:=7079707;

    a[486]:=7082807;

    a[487]:=7084807;

    a[488]:=7087807;

    a[489]:=7093907;

    a[490]:=7096907;

    a[491]:=7100017;

    a[492]:=7114117;

    a[493]:=7115117;

    a[494]:=7118117;

    a[495]:=7129217;

    a[496]:=7134317;

    a[497]:=7136317;

    a[498]:=7141417;

    a[499]:=7145417;

    a[500]:=7155517;

    a[501]:=7156517;

    a[502]:=7158517;

    a[503]:=7159517;

    a[504]:=7177717;

    a[505]:=7190917;

    a[506]:=7194917;

    a[507]:=7215127;

    a[508]:=7226227;

    a[509]:=7246427;

    a[510]:=7249427;

    a[511]:=7250527;

    a[512]:=7256527;

    a[513]:=7257527;

    a[514]:=7261627;

    a[515]:=7267627;

    a[516]:=7276727;

    a[517]:=7278727;

    a[518]:=7291927;

    a[519]:=7300037;

    a[520]:=7302037;

    a[521]:=7310137;

    a[522]:=7314137;

    a[523]:=7324237;

    a[524]:=7327237;

    a[525]:=7347437;

    a[526]:=7352537;

    a[527]:=7354537;

    a[528]:=7362637;

    a[529]:=7365637;

    a[530]:=7381837;

    a[531]:=7388837;

    a[532]:=7392937;

    a[533]:=7401047;

    a[534]:=7403047;

    a[535]:=7409047;

    a[536]:=7415147;

    a[537]:=7434347;

    a[538]:=7436347;

    a[539]:=7439347;

    a[540]:=7452547;

    a[541]:=7461647;

    a[542]:=7466647;

    a[543]:=7472747;

    a[544]:=7475747;

    a[545]:=7485847;

    a[546]:=7486847;

    a[547]:=7489847;

    a[548]:=7493947;

    a[549]:=7507057;

    a[550]:=7508057;

    a[551]:=7518157;

    a[552]:=7519157;

    a[553]:=7521257;

    a[554]:=7527257;

    a[555]:=7540457;

    a[556]:=7562657;

    a[557]:=7564657;

    a[558]:=7576757;

    a[559]:=7586857;

    a[560]:=7592957;

    a[561]:=7594957;

    a[562]:=7600067;

    a[563]:=7611167;

    a[564]:=7619167;

    a[565]:=7622267;

    a[566]:=7630367;

    a[567]:=7632367;

    a[568]:=7644467;

    a[569]:=7654567;

    a[570]:=7662667;

    a[571]:=7665667;

    a[572]:=7666667;

    a[573]:=7668667;

    a[574]:=7669667;

    a[575]:=7674767;

    a[576]:=7681867;

    a[577]:=7690967;

    a[578]:=7693967;

    a[579]:=7696967;

    a[580]:=7715177;

    a[581]:=7718177;

    a[582]:=7722277;

    a[583]:=7729277;

    a[584]:=7733377;

    a[585]:=7742477;

    a[586]:=7747477;

    a[587]:=7750577;

    a[588]:=7758577;

    a[589]:=7764677;

    a[590]:=7772777;

    a[591]:=7774777;

    a[592]:=7778777;

    a[593]:=7782877;

    a[594]:=7783877;

    a[595]:=7791977;

    a[596]:=7794977;

    a[597]:=7807087;

    a[598]:=7819187;

    a[599]:=7820287;

    a[600]:=7821287;

    a[601]:=7831387;

    a[602]:=7832387;

    a[603]:=7838387;

    a[604]:=7843487;

    a[605]:=7850587;

    a[606]:=7856587;

    a[607]:=7865687;

    a[608]:=7867687;

    a[609]:=7868687;

    a[610]:=7873787;

    a[611]:=7884887;

    a[612]:=7891987;

    a[613]:=7897987;

    a[614]:=7913197;

    a[615]:=7916197;

    a[616]:=7930397;

    a[617]:=7933397;

    a[618]:=7935397;

    a[619]:=7938397;

    a[620]:=7941497;

    a[621]:=7943497;

    a[622]:=7949497;

    a[623]:=7957597;

    a[624]:=7958597;

    a[625]:=7960697;

    a[626]:=7977797;

    a[627]:=7984897;

    a[628]:=7985897;

    a[629]:=7987897;

    a[630]:=7996997;

    a[631]:=9002009;

    a[632]:=9015109;

    a[633]:=9024209;

    a[634]:=9037309;

    a[635]:=9042409;

    a[636]:=9043409;

    a[637]:=9045409;

    a[638]:=9046409;

    a[639]:=9049409;

    a[640]:=9067609;

    a[641]:=9073709;

    a[642]:=9076709;

    a[643]:=9078709;

    a[644]:=9091909;

    a[645]:=9095909;

    a[646]:=9103019;

    a[647]:=9109019;

    a[648]:=9110119;

    a[649]:=9127219;

    a[650]:=9128219;

    a[651]:=9136319;

    a[652]:=9149419;

    a[653]:=9169619;

    a[654]:=9173719;

    a[655]:=9174719;

    a[656]:=9179719;

    a[657]:=9185819;

    a[658]:=9196919;

    a[659]:=9199919;

    a[660]:=9200029;

    a[661]:=9209029;

    a[662]:=9212129;

    a[663]:=9217129;

    a[664]:=9222229;

    a[665]:=9223229;

    a[666]:=9230329;

    a[667]:=9231329;

    a[668]:=9255529;

    a[669]:=9269629;

    a[670]:=9271729;

    a[671]:=9277729;

    a[672]:=9280829;

    a[673]:=9286829;

    a[674]:=9289829;

    a[675]:=9318139;

    a[676]:=9320239;

    a[677]:=9324239;

    a[678]:=9329239;

    a[679]:=9332339;

    a[680]:=9338339;

    a[681]:=9351539;

    a[682]:=9357539;

    a[683]:=9375739;

    a[684]:=9384839;

    a[685]:=9397939;

    a[686]:=9400049;

    a[687]:=9414149;

    a[688]:=9419149;

    a[689]:=9433349;

    a[690]:=9439349;

    a[691]:=9440449;

    a[692]:=9446449;

    a[693]:=9451549;

    a[694]:=9470749;

    a[695]:=9477749;

    a[696]:=9492949;

    a[697]:=9493949;

    a[698]:=9495949;

    a[699]:=9504059;

    a[700]:=9514159;

    a[701]:=9526259;

    a[702]:=9529259;

    a[703]:=9547459;

    a[704]:=9556559;

    a[705]:=9558559;

    a[706]:=9561659;

    a[707]:=9577759;

    a[708]:=9583859;

    a[709]:=9585859;

    a[710]:=9586859;

    a[711]:=9601069;

    a[712]:=9602069;

    a[713]:=9604069;

    a[714]:=9610169;

    a[715]:=9620269;

    a[716]:=9624269;

    a[717]:=9626269;

    a[718]:=9632369;

    a[719]:=9634369;

    a[720]:=9645469;

    a[721]:=9650569;

    a[722]:=9657569;

    a[723]:=9670769;

    a[724]:=9686869;

    a[725]:=9700079;

    a[726]:=9709079;

    a[727]:=9711179;

    a[728]:=9714179;

    a[729]:=9724279;

    a[730]:=9727279;

    a[731]:=9732379;

    a[732]:=9733379;

    a[733]:=9743479;

    a[734]:=9749479;

    a[735]:=9752579;

    a[736]:=9754579;

    a[737]:=9758579;

    a[738]:=9762679;

    a[739]:=9770779;

    a[740]:=9776779;

    a[741]:=9779779;

    a[742]:=9781879;

    a[743]:=9782879;

    a[744]:=9787879;

    a[745]:=9788879;

    a[746]:=9795979;

    a[747]:=9801089;

    a[748]:=9807089;

    a[749]:=9809089;

    a[750]:=9817189;

    a[751]:=9818189;

    a[752]:=9820289;

    a[753]:=9822289;

    a[754]:=9836389;

    a[755]:=9837389;

    a[756]:=9845489;

    a[757]:=9852589;

    a[758]:=9871789;

    a[759]:=9888889;

    a[760]:=9889889;

    a[761]:=9896989;

    a[762]:=9902099;

    a[763]:=9907099;

    a[764]:=9908099;

    a[765]:=9916199;

    a[766]:=9918199;

    a[767]:=9919199;

    a[768]:=9921299;

    a[769]:=9923299;

    a[770]:=9926299;

    a[771]:=9927299;

    a[772]:=9931399;

    a[773]:=9932399;

    a[774]:=9935399;

    a[775]:=9938399;

    a[776]:=9957599;

    a[777]:=9965699;

    a[778]:=9978799;

    a[779]:=9980899;

    a[780]:=9981899;

    a[781]:=9989899;

    readln(m,n);

    for i:=1 to 781 do

    if (a[i]>=m) and(a[i]

  • 0
    @ 2009-01-01 16:27:15

    编译通过...

    ├ 测试数据 01:答案正确... 0ms

    ├ 测试数据 02:答案正确... 0ms

    ├ 测试数据 03:答案正确... 0ms

    ├ 测试数据 04:答案正确... 0ms

    ├ 测试数据 05:答案正确... 0ms

    ├ 测试数据 06:答案正确... 0ms

    ├ 测试数据 07:答案正确... 712ms

    ├ 测试数据 08:答案正确... 556ms

    ├ 测试数据 09:答案正确... 0ms

    ├ 测试数据 10:答案正确... 650ms

    ---|---|---|---|---|---|---|---|-

    Accepted 有效得分:100 有效耗时:1918ms

    这题不cheat就是看优化,硬碰硬的题……

信息

ID
1042
难度
7
分类
搜索 | 搜索与剪枝 点击显示
标签
(无)
递交数
6601
已通过
1521
通过率
23%
被复制
13
上传者