Submission #651353

#	Time	Username	Problem	Language	Result	Execution time	Memory
651353		pauloamed	Detecting Molecules (IOI16_molecules)	C++17	Compilation error	0 ms	0 KiB

molecules

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

vector<int> find_subset(int l, int u, vector<int> w){
  int n = w.size();

  vector<pair<int,int>> W;
  for(int i = 0; i < n; ++i){
    W.push_back({w[i], i});
  }
  sort(W.begin(), W.end());

  vector<int> ans;
  for(int i = 0; i < n; ++i){
    int mini = W[i].first;
    int id_mini = W[i].second;

    int maxi = W.back().first;
    int id_maxi = W.back().second;

    if(mini > u) return {};
    else if(mini >= l){
      ans.push_back(id_mini);
      return ans;
    }else{
      // mini ta a esquerda
      // maxi ta dentro ou a esquerda
      assert(maxi <= u);
      ans.push_back(id_maxi);
      if(maxi >= l){ // maxi ta dentro
        return ans;
      }else{ // maxi ta a esquerda
        l -= maxi;
        u -= maxi;
      }
      W.pop_back();
    }
  }


  if(0 >= l && 0 <= u) return ans;
  else return {};
}

int32_t main(){
  auto ret = find_subset(15, 17, {6,8,8,7});
  for(auto x : ret) cout << x << " ";
  cout << "\n";

  ret = find_subset(14, 15, {5, 5, 6, 6});
  for(auto x : ret) cout << x << " ";
  cout << "\n";

  ret = find_subset(10, 20, {15, 17, 16, 18});
  for(auto x : ret) cout << x << " ";
  cout << "\n";
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccVpHpbW.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccAGMXUX.o:molecules.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status