Submission #418244

#	Time	Username	Problem	Language	Result	Execution time	Memory
418244		saleh	Detecting Molecules (IOI16_molecules)	C++17	19 / 100	1 ms	292 KiB

molecules

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


using namespace std;


vector<int> find_subset(int l, int u, vector<int> w) {
	int n = w.size(), sum = 0;
	int p = 0, q = n;
	if (accumulate(w.begin(), w.end(), 0ll) < l) return {};
	while (p < n && sum + w[p] <= u) sum += w[p++];
	if (sum >= l) {
		vector<int> v;
		for (int i = 1; i <= p; i++) v.push_back(i - 1);
		return v;
	}
	while (p > 0 && sum < l) {
		sum += w[--q];
		sum -= w[--p];
	}
	if (sum < l) return {};
	else {
		vector<int> v;
		for (int i = 1; i <= p; i++) v.push_back(i - 1);
		for (int i = n; i > q; i--) v.push_back(i - 1);
		return v;
	}
}
//int main() {}

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