제출 #428641

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
428641		egekabas	비스킷 담기 (IOI20_biscuits)	C++14	0 / 100	1090 ms	222460 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
#define all(x) (x).begin(), (x).end()
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll, ll> pll;
typedef pair<ull, ull> pull;
typedef pair<int, int> pii;
typedef pair<ld, ld> pld;
long long count_tastiness(long long x, std::vector<long long> a) {
	ll n = a.size();
	vector<vector<ll>> dp(n+1, vector<ll>(x+1));
	for(ll i = 0; i < n-1; ++i)
		if(a[i] >= x){
			a[i+1] += (a[i]-x)/2;
			a[i] = x;
		}
	dp[0][0] = 1;
	for(ll i = 0; i < n-1; ++i)
		for(ll j = 0; j <= x; ++j){
			ll curval = a[i]+j;
			dp[i+1][curval/2] += dp[i][j];
			if(curval >= x)
				dp[i+1][(curval-x)/2] += dp[i][j];
		}
	ll ans = 0;
	for(ll j = 0; j <= x; ++j){

		ans += dp[n-1][j]*((a[n-1]+j)/x+1);
	}
	return ans;
}

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