Submission #465258

#	Time	Username	Problem	Language	Result	Execution time	Memory
465258		dattranxxx	Detecting Molecules (IOI16_molecules)	C++11	69 / 100	39 ms	4908 KiB

molecules

/*
 * Author :  shora
 */
#include <bits/stdc++.h>
#define print(_v) for (auto &_ : _v) {cerr << _ << ' ';} cerr << endl;
#include "molecules.h"
using namespace std;
using ll = long long;
const int oo = 1e9;
struct P {
	int x = 0, i = 0;
	bool operator < (const P& p) {
		return x < p.x;
	}
};
vector<int> find_subset(int l, int u, vector<int> v) {
	int n = v.size();
	vector<P> a(n);
	for (int i = 0; i < n; ++i)
		a[i].x = v[i], a[i].i = i;
	sort(a.begin(), a.end());
	vector<int> res;
	for (int i = 0, j = 0, sum = 0; i < n;) {
		while (j < n && sum < l) {
			sum += a[j].x; j++;
		}
		if (sum >= l && sum <= u) {
			for (int k = i; k < j; ++k)	
				res.push_back(a[k].i);
			return res;
		}
		sum -= a[i].x; i++;
	}
	return res;
}

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