题解 | #编排字符串#

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

int main() {
    int m;
    cin >> m;
    int t = m;
    stack<string> st;
    string s;

    while (t--) {
        cin >> s;
        st.push(s);
    }
    t = m;
    for (int i = 0; i < m; i++) {
        stack<string> stt = st;
        int j ;
        //m=60
        for (j = 0; j < m - i - 1; j++) {
            stt.pop();
        }
        if (i > 3) {
            int tem = 3;
            for (j = 0; j <= tem ; j++) {
                cout << j + 1 << "=" << stt.top() << " ";
                stt.pop();
            }
            
        } else {
            for (j = 0; j <= i ; j++) {
                cout << j + 1 << "=" << stt.top() << " ";
                stt.pop();
            }
        }

        cout << endl;

    }
}
// 64 位输出请用 printf("%lld")