Submission #959279

#	Time	Username	Problem	Language	Result	Execution time	Memory
959279		hyakup	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	348 KiB

molecules

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

vector<int> find_subset(int l, int r, vector<int> w ){
  vector<pair<ll, int>> v( w.size() );
  for( int i = 0; i < w.size(); i++ ) v[i] = make_pair(w[i], i);
  sort( v.begin(), v.end());
  vector<ll> sv(w.size() + 1);
  vector<int> resp;
  set<pair<ll, int>> s; s.insert({0, 0});
  for( int i = 1; i <= sv.size(); i++ ){
    sv[i] = sv[i - 1] + v[i - 1].first;
    s.insert({ sv[i], i });
    auto it = s.lower_bound({ sv[i] - (ll)r, -1});
    if( it->first <= sv[i] - (ll)l ){
      for( int j = it->second; j < i; j++ ) resp.push_back(v[j].second);
      break;
    }
  }
  return resp;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |   for( int i = 0; i < w.size(); i++ ) v[i] = make_pair(w[i], i);
      |                   ~~^~~~~~~~~~
molecules.cpp:13:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |   for( int i = 1; i <= sv.size(); i++ ){
      |                   ~~^~~~~~~~~~~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 10
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 23
• Subtask 6: 0 / 31