제출 #432447

#제출 시각아이디문제언어결과실행 시간메모리
432447Hazem비스킷 담기 (IOI20_biscuits)C++14
9 / 100
1095 ms332 KiB
#include "biscuits.h"
#include <bits/stdc++.h>
#define LL long long

using namespace std;

LL x;
vector<LL>a;

LL bt(int i,LL cur){

	if(i==60)
		return 1;
	
	LL ret = 0;
	ret += bt(i+1,(cur+a[i])/2);
	if(cur+a[i]>=x)
		ret += bt(i+1,(cur+a[i]-x)/2);
	
	return ret;
}

long long count_tastiness(long long X, std::vector<long long> A) {
	
	x = X;a = A;
	while(a.size()<=60)
		a.push_back(0);
		
	return bt(0,0);
}

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