Submission #1129409

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129409		NAMIN	Detecting Molecules (IOI16_molecules)	C++20	0 / 100	0 ms	328 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"

using namespace std;

/*pair<vector<int>,bool> solve(int l,int u,vector<pair<int,int>>& W){
	if(l <= 0)
		return {{},true};
	vector<int> ans;
	bool ok = false;
	for(int i=0;i<W.size();i++){
		if(W[i].first > u || take[i])
			continue;
		take[i] = true;
		auto res = solve(l-W[i].first,u-W[i].first,W);
		ans = res.first;
		ans.push_back(W[i].second);
		ok = res.second;
		if(ok){
			break;
		}
		else
			ans = vector<int>();
		take[i] = false;
	}
	return {ans,ok};
}*/


/*vector<int> solve(int l,int u,vector<int>& w){
	vector<bool> dp(1e6+1,false);
	dp[0] = true;

	int n = w.size();
	for(int i=0;i<n;i++){
		for(int j=1e6;j>=0;j--){
			if(j+w[i] <= 1e6 && dp[j]){
				dp[j+w[i]] = true;
			}
		}
	}
	
	vector<int> ans;
	for(int i=l;i<=u;i++){
		if(dp[i]){
			vector<int> take(n,false);
			for(int j=0;j<n;j++){
				if(i-w[j] >= 0){
					if(dp[i-w[j]] && !take[j]){
						ans.push_back(j);
						take[j] = true;
						i-=w[j];
						j = 0;
					}
				}
			}
			break;
		}
	}
	return ans;
	
}*/



vector<int> find_subset(int l, int u,vector<int> w) {
	int n = w.size();
	vector<pair<int,int>> W(n);
	for(int i=0;i<n;i++){
		W[i].first = w[i];
		W[i].second = i;
	}
	sort(W.begin(),W.end());
	
	long long sum = 0;
	int L=0,R=0;
	deque<int> dq;
	while(R < n && L < n && L<=R){
		if(sum < l){
			sum += W[R].first;
			dq.push_back(W[R].second);
			R++;
		}
		else if(sum > u){
			sum -= W[L].first;
			dq.pop_front();
			L++;
		}
		else
			break;
	}
	vector<int> ans;
	for(int i=0;i<dq.size();i++){
		ans.push_back(dq[i]);
	}
	return ans;
}

Compilation message (stderr)

molecules.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~
molecules_c.h:1:9: warning: #pragma once in main file
    1 | #pragma once
      |         ^~~~

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