Submission #69062

#	Time	Username	Problem	Language	Result	Execution time	Memory
69062		TuGSGeReL	Detecting Molecules (IOI16_molecules)	C++14	100 / 100	174 ms	16892 KiB

molecules

#include "molecules.h"
#include<bits/stdc++.h>
#define ll long long
#define mp make_pair
#define pub push_back
#define pob pop_back
#define ss second
#define ff first
#define ext exit(0)
using namespace std;
int i;
ll s;
vector<pair<int,int> >v;
vector<int> find_subset(int l, int u, vector<int> w) {
	for(i=0;i<w.size();i++) v.pub(mp(w[i],i));
	sort(v.begin(),v.end());
	set<pair<int,int> >ans1;
	set<pair<int,int> >::iterator it;
	vector<int>ans;
	for(i=0;i<v.size();i++){
		if(s+v[i].ff<=u){
			s+=v[i].ff;
			ans1.insert(v[i]);
		}
		else if(s-ans1.begin()->ff+v[i].ff<=u){
			s-=ans1.begin()->ff-v[i].ff;
			ans1.erase(ans1.begin());
			ans1.insert(v[i]);
		}
	}
	if(s>=l){
		for(it=ans1.begin();it!=ans1.end();it++){
			ans.pub(it->ss);
		}
	}
	return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:15:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<w.size();i++) v.pub(mp(w[i],i));
          ~^~~~~~~~~
molecules.cpp:20:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=0;i<v.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