제출 #1035856

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1035856		Mr_Husanboy	비스킷 담기 (IOI20_biscuits)	C++17	0 / 100	1075 ms	157980 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll long long
#define all(a) (a).begin(), (a).end()
#define ff first
#define ss second
 
template<typename T>
int len(T &a){return a.size();}
 
mt19937 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
 
vector<ll> cnt;
ll x;
 
map<pair<int,ll>,ll> mp;
 
ll count(int i, ll j){
	if(i == 63){
		return j >= 0;
	}
	if(mp.count({i, j})) return mp[{i, j}];
 
	j += cnt[i];
	ll res = 0;
	res += count(i + 1, j / 2);
	if(j >= x){
		res += count(i + 1, (j - x) / 2);
	}
	return mp[{i, j}] = res;
}
 
long long count_tastiness(long long X, vector<long long> A) {
	cnt = A;
	x = X;
	while(len(cnt) < 63){
		cnt.push_back(0);
	}

	return count(0, 0);
}

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