Ìîäóëü: C++. Ñîðòèðîâêà ñ êîìïàðàòîðîì

#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;
const int N = 1e5 + 5;

struct dwarf {
    int a, b, i;
    dwarf() {}
    dwarf(int _a, int _i) {
        this->a = _a;
        this->i = _i;
    }
};

int n;
int k;
int c;
vector<dwarf>dwarfs(N);

bool cmp(dwarf a, dwarf b) {   

}

int main() {
    cin >> n;
    for (int i = 0; i < n; i++) {
        int x;
        cin >> x;
        k += x;
        dwarfs.at(i) = dwarf(x, i + 1);
    }

    for (int i = 0; i < n; i++) {
        cin >> dwarfs.at(i).b;
        if (dwarfs.at(i).b - (k - dwarfs.at(i).a) <= 0)
            c++;
    }

    if (c == n) {
        cout << -1;
        return 0;
    }

    sort(dwarfs.begin(), dwarfs.end(), cmp);

    for (int i = 0; i < n; i++)
        cout << dwarfs.at(i).i << " ";

    return 0;
}