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Submission #303522

# Submission time Handle Problem Language Result Execution time Memory
303522 2020-09-20T11:28:04 Z tutis Packing Biscuits (IOI20_biscuits) C++17
42 / 100
 1000 ms 53600 KB 
#include "biscuits.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace std;
typedef long long ll;
using namespace __gnu_pbds;
ll count_tastiness(ll x, vector<ll> a)
{
	while (a.size() < 60)
		a.push_back(0);
	ll s[61];
	for (int i = 0; i <= 60; i++)
		s[i] = 0;
	for (int t = 1; t <= 60; t++)
	{
		s[60 - t] = s[60 - t + 1] + a[60 - t];
		if (s[60 - t] >= x)
			s[60 - t] -= x;
		for (int i = 0; i < 60; i++)
		{
			s[i] *= 2;
			if (s[i] >= x)
				s[i] -= x;
		}
	}
	cc_hash_table<ll, ll>M[61];
	function<ll(ll, int)>get = [&](ll d, int i)->ll
	{
		if (i == 60)
			return d / x + 1;
		if (M[i].find(d) != M[i].end())
			return M[i][d];
		if (a[i] + d < x)
		{
			return M[i][d] = get((d + a[i]) / 2, i + 1);
		}
		else
		{
			return M[i][d] = get((d + a[i]) / 2, i + 1) + get((d + a[i] - x) / 2, i + 1);
		}
	};
	return get(0, 0);
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 20376 KB Output is correct
2 Correct 153 ms 9056 KB Output is correct
3 Correct 259 ms 16708 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 667 ms 20896 KB Output is correct
9 Correct 447 ms 15016 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 10 ms 768 KB Output is correct
12 Correct 88 ms 3456 KB Output is correct
13 Correct 704 ms 20480 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1065 ms 53600 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 512 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Correct 1 ms 384 KB Output is correct
8 Correct 1 ms 384 KB Output is correct
9 Correct 1 ms 384 KB Output is correct
10 Correct 1 ms 256 KB Output is correct
11 Correct 1 ms 384 KB Output is correct
12 Correct 1 ms 384 KB Output is correct
13 Correct 1 ms 384 KB Output is correct
14 Correct 1 ms 384 KB Output is correct
15 Correct 1 ms 384 KB Output is correct
16 Correct 1 ms 384 KB Output is correct
17 Correct 1 ms 384 KB Output is correct
18 Correct 1 ms 384 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 384 KB Output is correct
21 Correct 1 ms 384 KB Output is correct
22 Correct 1 ms 384 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 84 ms 20376 KB Output is correct
25 Correct 153 ms 9056 KB Output is correct
26 Correct 259 ms 16708 KB Output is correct
27 Correct 1 ms 384 KB Output is correct
28 Correct 1 ms 384 KB Output is correct
29 Correct 1 ms 384 KB Output is correct
30 Correct 1 ms 384 KB Output is correct
31 Correct 667 ms 20896 KB Output is correct
32 Correct 447 ms 15016 KB Output is correct
33 Correct 2 ms 384 KB Output is correct
34 Correct 10 ms 768 KB Output is correct
35 Correct 88 ms 3456 KB Output is correct
36 Correct 704 ms 20480 KB Output is correct
37 Execution timed out 1065 ms 53600 KB Time limit exceeded
38 Halted 0 ms 0 KB -