Submission #677547

#	Time	Username	Problem	Language	Result	Execution time	Memory
677547		hello_there_123	Detecting Molecules (IOI16_molecules)	C++17	19 / 100	1 ms	296 KiB

molecules

#include <bits/stdc++.h>
using namespace std;
vector<int> find_subset(int l,int u,vector<int> w){
  	vector<pair<int,int> >lol;
  	for(int i=0;i<w.size();i++){
		lol.push_back(make_pair(w[i],i));
    }
	sort(lol.begin(),lol.end());
	int n = w.size();
	vector<int>ans;
	vector<int>cur;
	queue<pair<int,int> >q;
	for(int i=1;i<=n;i++){
		while(!q.empty()) q.pop();
		cur.clear();
		int sum = 0;
		for(int j=i-1;j>=0;j--){
			sum+=w[n-j-1];
			q.push(make_pair(lol[n-j-1].first,n-j-1));
		}
		if(sum<l) continue;
		for(int j=0;j<i;j++){
			if(sum<=u && sum>=l){
				while(!q.empty()){
					ans.push_back(q.front().second);
					q.pop();
				}
				return ans;
			}
			else{
				sum-=q.front().first;
				q.pop();
				sum+=lol[j].first;
				q.push(make_pair(lol[j].first,lol[j].second));
			}
		}
        if(sum<=u && sum>=l){
				while(!q.empty()){
					ans.push_back(q.front().second);
					q.pop();
				}
				return ans;
			}
	}
	return ans;
}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<int> find_subset(int, int, std::vector<int>)':
molecules.cpp:5:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    5 |    for(int i=0;i<w.size();i++){
      |                ~^~~~~~~~~

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