Submission #610669

#	Time	Username	Problem	Language	Result	Execution time	Memory
610669		Mounir	Packing Biscuits (IOI20_biscuits)	C++14	9 / 100	1082 ms	372 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
#define all(x) x.begin(), x.end()
#define chmin(x, v) x = min(x, v)
#define chmax(x, v) x = max(x, v)
#define pb push_back
#define pii pair<int, int>
#define sz(x) (int)x.size()
#define x first
#define y second;
#define int long long
using namespace std;

int nBags;

int solve(vector<int> pow2){
	if (sz(pow2) == 0)
		return 1;
	
	if (pow2.back() == 0){
		pow2.pop_back();
		int res = solve(pow2);
		pow2.pb(0);
		return res;
	}

	int cur = pow2.back(), res = 0;
	pow2.pop_back();
	for (int bit = 0; bit < 2; ++bit){
		if (cur < bit * nBags) continue;
		int toAdd = (cur - bit * nBags)/2;
		if (pow2.empty())
			pow2.pb(0);
		pow2[sz(pow2) - 1] += toAdd;
		res += solve(pow2);
		pow2[sz(pow2) - 1] -= toAdd;
	}
	pow2.pb(cur);
	return res;
}

int count_tastiness(int x, vector<int> nOccs) {
	reverse(all(nOccs));
	nBags = x;
	return solve(nOccs);
	return 0;
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 21
• Subtask 4: 0 / 35
• Subtask 5: 0 / 23