题解 | 凯撒加密

#include <stdio.h>
#include <string.h>

int main()
{
    int n = 0;
    char arr[1001] = {0};
    scanf("%d\n%s",&n,arr);
    int i = 0;
    for(i = 0; i < strlen(arr); i++)
    {
        arr[i] = (arr[i]+n-'a')%26+'a';
        printf("%c",arr[i]);
    }
    return 0;
}