Submission #400005

#	Time	Username	Problem	Language	Result	Execution time	Memory
400005		faresbasbs	Packing Biscuits (IOI20_biscuits)	C++14	42 / 100	1088 ms	15728 KiB

biscuits

#include <bits/stdc++.h>
#include "biscuits.h"
using namespace std;
map<long long,long long> dp,dp2;
vector<long long> a;
long long x;

long long count_tastiness(long long X , vector<long long> A){
	a = A , x = X;
	while(a.size() < 60){
		a.push_back(0ll);
	}
	dp.clear();
	dp[0ll] = 1;
	for(int i = 0 ; i < 60 ; i += 1){
		dp2.clear();
		for(auto j : dp){
			long long p = j.first;
			p += a[i];
			dp2[p/2] += j.second;
			if(p >= x){
				dp2[(p-x)/2] += j.second;
			}
		}
		swap(dp,dp2);
	}
	long long ret = 0;
	for(auto i : dp){
		ret += i.second;
	}
	return ret;
}

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