Submission #1119489

#	Time	Username	Problem	Language	Result	Execution time	Memory
1119489		Marszpace	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	43 ms	10580 KiB

molecules

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

vector<signed> find_subset(signed l, signed u, vector<signed> w) {
  vector<pair<int,int>> p;
  for(int i=0;i<w.size();i++){
    p.push_back({w[i],i});
  }
  sort(p.begin(),p.end(),greater<pair<int,int>>());

  int sum=(int)0;
  queue<int> qq;
  for(auto [wi,pos]:p){
    sum+=wi;
    qq.push(pos);
    if(l<=sum&&sum<=u){
      vector<signed> ans;
      while(!qq.empty()){
        ans.push_back(qq.front());
        qq.pop();
      }
      return ans;
    }
    else{
      while(sum>u){
        sum-=w[qq.front()];
        qq.pop();
      }
    }
  }
  return vector<signed>(0);
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:8:16: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 |   for(int i=0;i<w.size();i++){
      |               ~^~~~~~~~~
molecules.cpp:15:12: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   15 |   for(auto [wi,pos]:p){
      |            ^

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