제출 #490278

#제출 시각아이디문제언어결과실행 시간메모리
490278mraron비스킷 담기 (IOI20_biscuits)C++14
9 / 100
1093 ms1080 KiB
#include "biscuits.h"
using namespace std;

using ll = long long ;

ll x;
vector<ll> a;

ll calc(ll rem, ll i) {
	if(i<(int)a.size() || rem>=x) {
		if(i<(int)a.size()) rem+=a[i];
		return (rem>=x?calc((rem-x)/2, i+1):0ll)+calc(rem/2, i+1);
	}else return 1;
}	

ll count_tastiness(ll x_, vector<ll> a_) {
	a=move(a_);
	x=x_;
	
	return calc(0, 0);
}

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