Submission #1051790

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051790		aykhn	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1096 ms	63284 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
 
using namespace std;
 
long long x, k;
vector<long long> a;
map<long long, long long> mp[60];
 
long long cnt(long long ind, long long s)
{
	if (ind == 60) return 1;
	if (mp[ind].count(s)) return mp[ind][s];
	if (ind < k) s += a[ind];
	long long res = 0;
	if (x <= s) res += cnt(ind + 1, (s - x) >> 1);
	res += cnt(ind + 1, s >> 1);
	return mp[ind][s] = res;
}
 
long long count_tastiness(long long X, vector<long long> A) 
{
	for (int i = 0; i < 60; i++) mp[i].clear();
	x = X, a = A, k = A.size();
	return cnt(0, 0);
}

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