初墨 @ 2018-12-11 20:43:49

#include<bits/stdc++.h>
using namespace std;
int main()
{
    char a[1003];
    int i,j,n;
    cin>>n>>a;
    j=strlen(a);
    if(n>26)
    {
        n=n%26;
    }
    for(i=0;i<j;i++)
    {
        a[i]+=n;
        if(a[i]>'z')
        {
            a[i]-=122;
            a[i]+=96;
        }
        cout<<a[i];
    }
    return 0;
}

by 初墨 @ 2018-12-11 20:44:07

求助大佬

by 稻荷神御馔津 @ 2018-12-11 20:47:44

include "bits/stdc++.h"

using namespace std; char in[110]; int main() { int n, j; scanf("%d%s", &n,&in); for(j=0;in[j]!='\0';j++) { putchar((in[j]-'a'+n)%26+'a'); } }

by 稻荷神御馔津 @ 2018-12-11 20:50:21

#include "bits/stdc++.h"
using namespace std;
char in[110];
int main()
{
  int n, j; 
  scanf("%d%s", &n,&in); 
  for(j = 0; in[j] != '\0'; j++)
  {
      putchar((in[j]-'a'+n)%26+'a');

  }
}

by 初墨 @ 2018-12-12 10:45:38

@cold 谢了