Submission #1051697

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051697		fuad27	Packing Biscuits (IOI20_biscuits)	C++17	0 / 100	0 ms	348 KiB

biscuits

#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
map<pair<int, long long>, long long> mp;
long long X;
vector<long long> A;
int k;
long long solve(int i, long long add) {
	if(i == k)return 1;
	long long ans=0;
	if(add+A[i] >= X) {
		ans += solve(i+1, (add+A[i]-X)/2);
	}
	ans += solve(i+1, (add+A[i])/2);
	return ans; 
}
long long count_tastiness(long long x, std::vector<long long> a) {
	mp.clear();
	X=x;
	A=a;
	k = a.size();
	A.push_back(0);
	long long ans=1;
	for(int i = 0;i<k;i++) {
		if(A[i] > x) {
			long long c = A[i]-x;
			c/=2;
			A[i+1] += c;
			c*=2;
			A[i] -= c;
		}

//		if(A[i] >= x)ans*=2;
	}
	return solve(0, 0);
}

Compilation message (stderr)

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:24:12: warning: unused variable 'ans' [-Wunused-variable]
   24 |  long long ans=1;
      |            ^~~

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