제출 #1186895

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1186895		hengliao	비스킷 담기 (IOI20_biscuits)	C++20	0 / 100	0 ms	396 KiB

biscuits

#include "biscuits.h"
#include<bits/stdc++.h>
using namespace std;

#define F first
#define S second
#define vll vector<ll>
#define pll pair<ll, ll>
#define pb push_back

typedef long long ll;

long long count_tastiness(long long x, vector<long long> a) {
	ll k=a.size();
	ll sum=0;
	vll pw(k);
	pw[0]=1;
	for(ll i=0;i<k;i++){
		if(i!=0) pw[i]=pw[i-1]*2;
		sum+=pw[i]*a[i];
	}
	ll ans=1;
	vll add;
	add.pb(0);
	for(ll i=0;i<k;i++){
		vll new_add;
		for(auto &it:add){
			ll tep=it+a[i];
			new_add.pb(tep/2);
			if(tep>=x){
				ans++;
				tep-=x;
				new_add.pb(tep/2);
			}
		}
		add=new_add;
	}
	return ans;
}

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