Submission #683967

#	Time	Username	Problem	Language	Result	Execution time	Memory
683967		Juan	Detecting Molecules (IOI16_molecules)	C++17	9 / 100	1 ms	300 KiB

molecules

#include<bits/stdc++.h>
using namespace std;


vector<int> find_subset(int L, int R, vector<int> w){
	int pref = 0, suff = 0, n = w.size();
	int r;
	vector<int> ans;
	bool found = false;
	for(int i = 0; i < n; i++){
		pref+=w[i], suff+=w[n-1-i];
		if(pref<=R && suff>=L){
			found = true, r = i+1;
			break;
		}
	}
	if(!found) return ans;

	int l=0, sum=pref;
	while(true){
		if(sum>=L && sum<=R){
			for(int i = l; i < r; i++) ans.push_back(i);
			break;
		}
		sum += w[r++] - w[l++];
	}
	return ans;
}

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