Submission #687098

#	Time	Username	Problem	Language	Result	Execution time	Memory
687098		viwlesxq	Detecting Molecules (IOI16_molecules)	C++17	0 / 100	1 ms	212 KiB

molecules

#include "molecules.h"
#include <bits/stdc++.h>
 
using namespace std;
 
typedef int64_t ll;
typedef string str;
 
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)x.size()
 
vector <int> find_subset(int l, int u, vector <int> w) {
	set <int> st;
	ll cur = 0;
	vector <pair <int, int>> v;
	for (int i = 0; i < sz(w); i++) {
		v.pb({w[i], i + 1});
	}
	sort(all(v));
	int tl = 0, tr = 0;
	while (tr < sz(w)) {
		if (cur < l) {
			cur += v[tr].F;
			st.insert(v[tr].S);
			tr++;
		}
		if (cur > u) {
			cur -= v[tl].F;
			st.erase(v[tl].S);
			tl++;
		}
		if (cur >= l && cur <= u) {
			break;
		}
	}
	if (cur >= l && cur <= u) {
		return vector <int> (all(st));
	}
	return vector <int> (0);
}

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