HDU - 4730 We Love MOE Girls 水题

[code]#include<cstdio>
#include<cstring>
#define maxn 110
char str[maxn];

int main() {
    int test, mark = 1;
    scanf("%d", &test);
    while(test--) {
        scanf("%s", str);
        int len = strlen(str);
        printf("Case #%d: ", mark++);
        if(len - 4 >= 0 && str[len-4] == 'd' && str[len-3] == 'e' && str[len-2] == 's' && str[len-1] == 'u') {
            for(int i = 0; i < len - 4; i++) 
                printf("%c",str[i]);
            printf("nanodesu\n");
        }
        else
            printf("%snanodesu\n", str);
    }
    return 0;
}