Submission #134967

#	Time	Username	Problem	Language	Result	Execution time	Memory
134967		antimirage	Detecting Molecules (IOI16_molecules)	C++14	69 / 100	457 ms	2808 KiB

molecules

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

#define pb push_back

using namespace std;

const int N = 5e5 + 2;

bitset <N> dp, sup;

int p[N];

vector <int> ans;

vector<int> find_subset(int l, int r, vector<int> w) {
	
	dp[0] = 1;
	
	for (int i = 0; i < (int)w.size(); i++) {
		sup = dp;
		dp |= (dp << w[i]);
		sup ^= dp;
		for (int j = sup._Find_first(); j < N; j = sup._Find_next(j)) {
			p[j] = i;
		}
	}
	for (int i = l; i <= r; i++) {
		if (dp[i]) {
			while (i > 0) {
				ans.pb(p[i]);
				i -= w[p[i]];
			}
			return ans;
		}
	}
	return ans;
}

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