题解 | #简单密码#

//利用数组下标完成密码字符串转换，前面有道字符串转换的题也是这个思路
//对于非字符不识别，等到输出时若为字符输出out_str[i],否则输出原str[i]
#include "stdio.h"
#include "string"
#include "iostream"
using namespace std;

int main(){
    char buf1[10],buf2[10],buf3[300];
    string str1,str2,str3,out;
    char change[27] = "VWXYZABCDEFGHIJKLMNOPQRSTU";
    while (getline(cin,str1)){
        if (str1 == "ENDOFINPUT")
            break;
        getline(cin,str2);
        getline(cin,str3);
        out = "";
        for (int i = 0; i < str2.size(); ++i) {
            if (str2[i] >= 'A' && str2[i] <= 'Z')
                out += change[str2[i]-'A'];
        }
        for (int i = 0,j = 0; i < str2.size(); ++i) {
            if (str2[i] >= 'A' && str2[i] <= 'Z'){
                printf("%c",out[j++]);
            } else{
                printf("%c",str2[i]);
            }
        }
        printf("\n");
    }
}