Submission #1136716

#	Time	Username	Problem	Language	Result	Execution time	Memory
1136716		vjudge2	Packing Biscuits (IOI20_biscuits)	C++20	42 / 100	1096 ms	24024 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

#define int long long

int count_tastiness(int x, vector<int> a) {
	map<int, int> dp;
	dp[0] = 1;
	for (int i = 0; i < 63; i++) a.push_back(0);
	int k = a.size();
	for (int i = 0; i < k; i++) {
		map<int, int> new_dp;
		for  (auto& [xi, y] : dp) {
			new_dp[(xi / 2) + a[i]] += y;
			if (xi >= x) new_dp[(xi - x) / 2 + a[i]] += y;
		}
		dp.swap(new_dp);
		// cout << i << '\n';
		// for (auto& [x, y] : dp) cout << "dp[" << x << "] = " << y << '\n';
		new_dp.clear();
	}
	return (dp.count(0) ? dp[0] : 0);
}

/*
2
3 3
5 2 1
3 2
2 1 2
*/

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