複合型別

pair(first,second)

#include<bits/stdc++.h>
using namespace std;

int main() {
    pair<int, string> p(1, "apple");
    cout << p.first << p.second << endl;
    return 0;
}

結構體

/*
 * m931. 1. 遊戲選角
 * C++
 * AC (2ms, 324KB)
*/
#include<bits/stdc++.h>
using namespace std;

struct N{
    int sum;
    int a;
    int b;
};

bool asc(N n1,N n2){
   return n1.sum>n2.sum;
}

int main() {
        int n;
        cin >> n;
        N x[n];
        for(int i=0;i<n;i++){
            int a,b;
            cin >> a >> b;
            x[i].sum=a*a+b*b;
            x[i].a=a;
            x[i].b=b;
        }
        sort(x,x+n,asc);
        cout << x[1].a << " " << x[1].b << endl;
}