Submission #423819

#	Time	Username	Problem	Language	Result	Execution time	Memory
423819		Apiram	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	69 ms	9008 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
using namespace std;
std::vector<int> find_subset(int l, int u, std::vector<int> brr) {
   queue<pair<int64_t,int>>q;
  vector<pair<int64_t,int>>arr;
  for (int i =0;i<brr.size();++i){
    arr.push_back({brr[i],i});
  }
  sort(arr.begin(),arr.end());
  int64_t sum =0;
  for(int i =0;i<arr.size();++i){
    if (sum>=l&&sum<=u)break;
    if (sum+arr[i].first>=l&&sum+arr[i].first<=u){
      sum+=arr[i].first;
      q.push({arr[i].first,arr[i].second});
      break;}
    if (sum+arr[i].first<=u){
      sum+=arr[i].first;
     q.push({arr[i].first,arr[i].second});
    }
    else {
      while(!q.empty()&&sum+arr[i].first>u){
        sum-=q.front().first;
        q.pop();}
    sum+=arr[i].first;
    q.push({arr[i].first,arr[i].second});
	}}	
    vector<int>ans;
  if (sum>=l&&sum<=u){
	while(!q.empty()){
      ans.push_back(q.front().second);
      q.pop();}
sort(ans.begin(),ans.end());
  } 
return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:7:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |   for (int i =0;i<brr.size();++i){
      |                 ~^~~~~~~~~~~
molecules.cpp:12:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   for(int i =0;i<arr.size();++i){
      |                ~^~~~~~~~~~~

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