Submission #652933

#	Time	Username	Problem	Language	Result	Execution time	Memory
652933		mychecksedad	Packing Biscuits (IOI20_biscuits)	C++17	9 / 100	1095 ms	368 KiB

biscuits

#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;

int n;
ll count_tastiness(ll x, vector<ll> a){
	n = a.size();
	ll ans = 0;
	int sum = 0;
	for(int i = 0; i < n; ++i) sum += (1<<i) * a[i];


	for(ll y = 0; y <= sum / x; ++y){
		ll c = 0;
		bool ok = 1;
		for(ll j = 0; j < 63; ++j){
			if((1ll<<j)&y){		
				c += a[j];
				if(c<x){
					ok = 0;
					break;
				}
				c-=x;
			}else{
				c += a[j];
			}
			c >>= 1;
		}
		if(ok) ans++;
	}

	return ans;
}	

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