Submission #652999

#	Time	Username	Problem	Language	Result	Execution time	Memory
652999		mychecksedad	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	3 ms	340 KiB

biscuits

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

int n;
ll count_tastiness(ll x, vector<ll> a){
	n = 61;
	int s = n-int(a.size());
	for(int i = 0; i < s; ++i) a.pb(0);
	ll ans = 1;
	int sum = 0;
	for(int i = 0; i < n; ++i) sum += (1ll<<i) * a[i];


	vector<ll> pos_rem;
	pos_rem.pb(0);
	for(int i = 0; i < n; ++i){
		if(a[i] >= x){
			ans *= 2;
			vector<ll> p;
			for(ll y: pos_rem) p.pb(y + (1ll<<i) * (a[i]-x)), p.pb((1ll<<i) * a[i] + y);
			pos_rem = p;
		}else{
			vector<ll> p;
			for(ll y: pos_rem){
				if(y + a[i] * (1ll<<i)>=x*(1ll<<i)){
					p.pb(y+(a[i]-x)*(1ll<<i));
					ans++;
				}
				if(a[i]>0) p.pb(y+a[i]*(1ll<<i));
			}
			pos_rem = p;
		}
	}
	return ans;
}	

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