oj.uz

Submission #834089

# Submission time Handle Problem Language Result Execution time Memory
834089 2023-08-22T10:41:07 Z Johann Packing Biscuits (IOI20_biscuits) C++14
9 / 100
 1000 ms 340 KB 
#include "biscuits.h"
#include "bits/stdc++.h"
using namespace std;

typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
#define sz(x) (int)(x).size()
#define all(x) (x).begin(), (x).end()

const ll bound = 2 * 1e18;
ll X;
ll ans = 0;
vi A;
bool check(ll num, int idx, ll force)
{
	assert(force <= bound);
	if (num == 0)
		return true;
	if (num & (1LL << idx))
	{
		if (force < X)
			return false;
		force -= X;
		num = num ^ (1LL << idx);
	}
	force /= 2;
	if (idx + 1 < sz(A))
		force += A[idx + 1];
	return check(num, idx + 1, force);
}

long long count_tastiness(long long _X, std::vector<long long> a)
{
	X = _X;
	ans = 0;
	A = vi(all(a));
	for (int i = 0; i <= 100000; ++i)
		if (check(i, 0, a[0]))
			++ans;

	return ans;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 212 KB Output is correct
2 Correct 5 ms 300 KB Output is correct
3 Correct 41 ms 300 KB Output is correct
4 Correct 62 ms 280 KB Output is correct
5 Correct 52 ms 284 KB Output is correct
6 Correct 57 ms 280 KB Output is correct
7 Correct 56 ms 292 KB Output is correct
8 Correct 56 ms 212 KB Output is correct
9 Correct 60 ms 212 KB Output is correct
10 Correct 5 ms 212 KB Output is correct
11 Correct 7 ms 212 KB Output is correct
12 Correct 39 ms 212 KB Output is correct
13 Correct 39 ms 212 KB Output is correct
14 Correct 28 ms 212 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 212 KB Output is correct
2 Incorrect 30 ms 212 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 28 ms 284 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1090 ms 340 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 212 KB Output is correct
2 Correct 5 ms 300 KB Output is correct
3 Correct 41 ms 300 KB Output is correct
4 Correct 62 ms 280 KB Output is correct
5 Correct 52 ms 284 KB Output is correct
6 Correct 57 ms 280 KB Output is correct
7 Correct 56 ms 292 KB Output is correct
8 Correct 56 ms 212 KB Output is correct
9 Correct 60 ms 212 KB Output is correct
10 Correct 5 ms 212 KB Output is correct
11 Correct 7 ms 212 KB Output is correct
12 Correct 39 ms 212 KB Output is correct
13 Correct 39 ms 212 KB Output is correct
14 Correct 28 ms 212 KB Output is correct
15 Correct 22 ms 212 KB Output is correct
16 Incorrect 30 ms 212 KB Output isn't correct
17 Halted 0 ms 0 KB -