Submission #1054582

#	Time	Username	Problem	Language	Result	Execution time	Memory
1054582		Gromp15	Packing Biscuits (IOI20_biscuits)	C++17	42 / 100	1008 ms	24656 KiB

biscuits

#include <bits/stdc++.h>
#include "biscuits.h"
#define ll long long
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
using namespace std;

long long count_tastiness(long long x, std::vector<long long> a) {
	map<ll, ll> dp;
	dp[0] = 1;
	for (int i = 0; i < sz(a) + 100; i++) {
		map<ll, ll> dp2;
		ll cur = i < sz(a) ? a[i] : 0;
		for (auto [j, val] : dp) {
			if (j + cur >= x) dp2[(j + cur - x) >> 1] += val;
			dp2[(j + cur) >> 1] += val;
		}
		swap(dp, dp2);
	}
	ll ans = 0;
	for (auto [z, y] : dp) ans += y;
	return ans;
}

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