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Submission #303489

# Submission time Handle Problem Language Result Execution time Memory
303489 2020-09-20T11:07:32 Z aljasdlas Packing Biscuits (IOI20_biscuits) C++14
0 / 100
 1000 ms 384 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
using namespace std;

#define int long long
int x;
vector<int> a;

int recurse(int cur, int i) {
	// if(i == 60) {
	// 	cerr << bitset<60>(cur) << " " << i << endl;
	// }
	if(i == 60) return 1;

	a[i+1] += a[i]/2;
	int res = recurse(cur, i+1);
	a[i+1] -= a[i]/2;

	if(a[i] >= x) {
		a[i+1] += (a[i]-x)/2;
		res += recurse(cur + (1ll<<i), i+1);
		a[i+1] -= (a[i]-x)/2;
	}

	return res;
}

long long count_tastiness(long long x_, vector<long long> a_) {
	x=x_; a=a_;

	if(x == 1) {
		int cur = 0;
		for(auto x: a)
			if(x)
				cur++;
		return (1ll << cur);
	}

	while(a.size() <= 62) a.push_back(0);
	int ans = recurse(0, 0);
	return ans;
}

Subtask #1
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1087 ms 256 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1037 ms 384 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -