题解 | 合并符串

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

int main() {
    string s1, s2;
    while (cin >> s1 >> s2) {
        string str;
        for (int i = 0; i < s1.size() / 2; i++) {
            char t = s1[i];
            s1[i] = s1[s1.size() - i - 1];
            s1[s1.size() - i - 1] = t;
        }
        while (s1.size() > 0 && s2.size() > 0) {
            str.push_back(s1.back());
            s1.pop_back();
            str.push_back(s2.back());
            s2.pop_back();
        }
        cout << str << endl;
    }
}
// 64 位输出请用 printf("%lld")