题解 | 字符串加密

#include <iostream>
#include <string>
using namespace std;

int main() {
    string s;
    string t;
    getline(cin, s);
    getline(cin, t);
    string result = "";
    bool alp[26] = {false};
    for (int i = 0; i < s.size(); i++) {
        char a = s[i];
        int digit = s[i] - 'a';
        if (s[i] <= 'z' && s[i] >= 'a' && !alp[digit]) {
            result += a;
            alp[digit] = true;
        }
    }
    for (int i = 0; i < 26; i++) {
        if (alp[i] == false) {
            char a = i + 'a';
            result += a;
        }

    }
    string result1 = "";
    for (int i = 0; i < t.size(); i++) {
        int n = t[i] - 'a';
        result1 += result[n];
    }
    cout << result1 << endl;
}// 64 位输出请用 printf("%lld")