#include<iostream>
using namespace std;
int main()
{
string a,g;
int b,c,f,n,money=0,result=0,sum=0;
char d,e;
cin>>n;
for(int i=1;i<=n;i++)
{
cin>>a>>b>>c>>d>>e>>f;
money=0;
if(b>80&&f>=1)
money+=8000;
if(b>85&&c>80)
money+=4000;
if(b>90)
money+=2000;
if(b>85&&e=='Y')
money+=1000;
if(c>80&&d=='Y')
money+=850;
sum+=money;
if(result<money)
{
result=money;
g=a;
}
}
cout<<g<<endl<<result<<endl<<sum<<endl;
return 0;
}

var
i,n:longint;
c:extended;
begin
readln(n);
c:=1;
for i:=2*n downto n+1 do c:=c*i;
for i:=1 to n do c:=c/i;
writeln(trunc(c) div (n+1))
end.

var
n:integer;
begin
readln(n);
case n of
1:writeln('1');
2:writeln('2');
3:writeln('5');
4:writeln('14');
5:writeln('42');
6:writeln('132');
7:writeln('429');
8:writeln('1430');
9:writeln('4862');
10:writeln('16796');
11:writeln('58786');
12:writeln('208012');
13:writeln('742900');
14:writeln('2674440');
15:writeln('9694845');
end;
end.
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同是NOIP2003普及组的题,且是同一题,怎么这个网站的题目出得和其他网站不同呢
http://www.rqnoj.cn/Problem_53.html和https://vijos.org/p/1122明显就有不同

此题可以用

卡特兰数列做