谁能帮我看一下哪里有问题谢谢60分

P1914 小书童——凯撒密码

ammmmmgoding @ 2023-10-23 17:50:02

#include <stdio.h>

int main() {
    int x; char arr[100] = { 0 };
    scanf("%d", &x); 
    scanf("%s", arr);
    for (int i = 0; i < 100; i++) {
        if (arr[i] == '\0') { break; }if(arr[i] == 'z') {
            printf("%c", 'a' + x - 1); break;
        }
            arr[i] = (arr[i] - 'a') % 26 + x;
            printf("%c", arr[i] + 'a');
    }
    return 0;
}

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