题解 | #简单密码#

#include <cstdio>
#include "string"
using namespace std;

string jiemi(string miwen) {
    string mingwen;
    for (int i = 0; i < miwen.size(); i++) {
        if (miwen[i] >= 'F' && miwen[i] <= 'Z') {
            mingwen.push_back(miwen[i] - 5);

        } else {
            if (miwen[i] <= 'E' && miwen[i] >= 'A')
                mingwen.push_back(miwen[i] + 21);
            else
                mingwen.push_back(miwen[i]);
        }
    }
    return mingwen;


}

int main() {
    // while (1) {                          
        char str[200];
        char start[20];
        char end[5];
        fgets(start, 20, stdin);
        string Start = start;
        Start.erase(Start.end() - 1);
        if (Start == "ENDOFINPUT") {
            // break; 
        } else {
            fgets(str, 200, stdin);
            fgets(end, 10, stdin);

            string miwen = str;
            miwen.erase(miwen.end() - 1);
            string mingwen = jiemi(miwen);
            printf("%s\n", mingwen.c_str());





        }
    // }


    return 0;

}

他这个结果输入肯定有问题,

我把外层 while去掉,里边 break去掉 ,答案竟然通过过了

我不去掉的话,报错,并且答案是 循环输出,一直不停知道越界

但是我在clion上运行的很好