Submission #835198

#	Time	Username	Problem	Language	Result	Execution time	Memory
835198		DJeniUp	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	1046 ms	1108 KiB

biscuits

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

typedef long long ll;

#define pb push_back
#define fr first
#define sc second

ll res,n,d[67],k;

set<ll>s;

void S(ll x,ll y){
	if(x==65 || ((k<<x)>y && x>=n)){
		res++;
		return ;
	}
	y+=(d[x]<<x);
	if((k<<x)<=y){
		S(x+1,y-(k<<x));
	}
	S(x+1,y);
	return ;
}

long long count_tastiness(long long x, std::vector<long long> a) {
	res=0;
	n=a.size();
	k=x;
	for(int i=0;i<=65;i++){
		d[i]=0;
	}
	for(int i=0;i<n;i++){
		d[i]=a[i];
	}
	S(0,0);
	return res;
}

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