C++ 代码

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

int main()
{
    int n;
    int a;
    double b;
    string c;
    cin >> n;
    map<int, pair<double, string>> mm;
    for(int i = 0; i < n; ++ i) {
        cin >> a >> b >> c;
        mm[a] = {b, c};
    }
    for(auto& x : mm)
        printf("%d %.2f %s\n", x.first, x.second.first, x.second.second.c_str());
    return 0;
}