제출 #490282

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
490282		mraron	Packing Biscuits (IOI20_biscuits)	C++14	0 / 100	1092 ms	716 KiB

biscuits

#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];
		ll ans=calc(rem/2, i+1);
		if(rem>=x) {
			if((rem-x)/2==rem/2) ans*=2;
			else ans+=calc((rem-x)/2, i+1);
		}
		
		return ans;
	}else return 1;
}	

ll count_tastiness(ll x_, vector<ll> a_) {
	a=move(a_);
	x=x_;
	
	if(x==1) {
		a.resize(60);
		for(int i=0;i<60;++i) {
			while(a[i]>=3) {
				ll half=(a[i]-1)/2;
				a[i]-=half*2;
				a[i+1]+=half;
			}
		}
		
		ll poz=0;
		for(int i=0;i<60;++i) poz+=a[i]>0;
		
		return (1LL<<poz);
	}
	
	return calc(0, 0);
}

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