백준 2822 점수 계산

#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

vector<pair<int, int>> v;
vector<int> ans;
void input(){
  v.resize(8);
  for(int i = 0; i < 8; i++){
    cin >> v[i].first;
    v[i].second = i;
  }
}

void solve(){
  sort(v.begin(), v.end());
  int ret = 0;
  for(int i = 0; i < 8; i++){
    if(i >= 3){
      ret += v[i].first;
      ans.push_back(v[i].second + 1);
    }
  }
  cout << ret << "\n";
  sort(ans.begin(), ans.end());
  for(int i = 0; i < 5; i++){
    cout << ans[i] << " ";
  }
}

int main(void){
  ios::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  input();
  solve();
  return 0;
}

인덱스 기록해, 정렬하는 문제