# 还有7/8/10这三个点过不了啊

``````#include<stdio.h>
#include<math.h>
#include<ctype.h>
#include<string.h>
typedef struct Decipher{
char cipher[10000];
char decipher[3][10000];
}Decipher;
Decipher cipher[3];
int main() {
int n,i,j,k,other,another,k2,flag;
freopen("Text.txt","r",stdin);
scanf("%d %s %s %s",&n,cipher[0].cipher,cipher[1].cipher,cipher[2].cipher);
for(k = 0; k <= 6; k++) {
for(k2 = 0; k2 <= 6; k2++) {
for(i = 0; i < 3; i++) {
for(j = 0; j < n; j++) {
cipher[i].decipher[0][j] = cipher[i].cipher[n-j-1];
if((cipher[i].cipher[j] + k)>'z')
cipher[i].decipher[1][j] = (cipher[i].cipher[j] + k) % 'z' + 'a'-1;
else cipher[i].decipher[1][j] = (cipher[i].cipher[j] + k);

if((cipher[i].cipher[j] - k2)<'a')
cipher[i].decipher[2][j] = 'z'-('a'-(cipher[i].cipher[j] - k2))+1;
else cipher[i].decipher[2][j] = (cipher[i].cipher[j] - k2);
}
}
//三个都是aba的情况
flag = 0;
for(i = 0; i < 3; i++) {
other = (i==0?1:0);
another = (i==2?1:2);
if(strcmp(cipher[0].decipher[i],cipher[1].decipher[other]) == 0) {
if(strcmp(cipher[0].decipher[i],cipher[2].decipher[another]) == 0) {
if(!flag) printf("%s\n",cipher[0].decipher[i]);
flag = 1;
}
}
if(strcmp(cipher[0].decipher[i],cipher[1].decipher[another]) == 0) {
if(strcmp(cipher[0].decipher[i],cipher[2].decipher[other]) == 0) {
if(!flag) printf("%s\n",cipher[0].decipher[i]);
flag = 1;
}
}
}
}
}
return 0;
}
``````

# 1 条评论

• @ 2018-03-11 19:32:34

字符串长度应该+1，题目给的限定范围是 <= 10000
char 的长度应该设置为 10001

• 1

ID
1449

6

5494

1476

27%