Submission #468411

#	Time	Username	Problem	Language	Result	Execution time	Memory
468411		pluto_ish	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	58 ms	6200 KiB

molecules

#include <bits/stdc++.h>
 
#define pb push_back
#define ff first
#define ss second
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
 
const ll INF = (ll)1<<62;
const ll MOD = 1e9+7;
const int iINF = 1<<30;
const double PI = 3.14159265359;

vector<int> find_subset(int l, int u, vector<int> w){
  vector<pair<int, int> > wd;
  for(int i=0;i<(int)w.size();i++) wd.pb({w[i], i});

  sort(wd.begin(), wd.end());
  deque<int> ans;

  int i = 0;
  ll s = 0;
  while(i<(int)w.size()){
    s += wd[i].ff;
    ans.pb(wd[i].ss);

    while(s > u){
      s -= w[ans.front()];
      ans.pop_front();
    }
    i++;
    
    if(s >= l && s <= u){
      vector<int> ret;
      for(int v : ans) ret.pb(v);
      return ret;
    }  
  }
  return {};
}

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