oj.uz

Submission #838526

# Submission time Handle Problem Language Result Execution time Memory
838526 2023-08-27T10:30:29 Z caganyanmaz Packing Biscuits (IOI20_biscuits) C++17
42 / 100
 332 ms 22688 KB 
#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define int long long
using namespace std;

//#define DEBUGGING
#ifdef DEBUGGING
#include "../debug.h"
#else
#define debug(x...) void(42)
#endif


int MXK = 62;
ll count_tastiness(ll x, vector<ll> a) 
{
	if (x >= 1e5)
		return 1;
	if (x > 1e4)
		MXK = 30;
	else
		MXK = 63;
	while (a.size() < MXK-1)
		a.pb(0);

	for (int i = 0; i < MXK-2; i++)
	{
		ll change = max<ll>((a[i] - x) / 2, 0);
		a[i+1] += change;
		a[i] -= change * 2;
	}
	vector<ll> pf(MXK, 0);
	for (int i = 1; i < MXK; i++)
		pf[i] = pf[i-1]  + (a[i-1] << (i-1));
	vector<vector<ll>> dp(MXK, vector<ll>(x+3, 0)); // Last open bit
	dp[0][0] = 1;
	for (int i = 1; i < MXK; i++)
		for (int j = 0; j < i; j++)
			for (int k = 0; k < x+3; k++)
				if (((pf[i] - pf[j] + (k<<(j-1)))>>(i-1)) >= x)
					dp[i][((pf[i]-pf[j]+(k<<(j-1)))>>(i-1))-x] += dp[j][k];
	ll res = 0;
	for (int i = 0; i < MXK; i++)
		for (int j = 0; j < x + 3; j++)
			res += dp[i][j];
	debug(dp, res);
	return res;
}

Compilation message

biscuits.cpp: In function 'long long int count_tastiness(long long int, std::vector<long long int>)':
biscuits.cpp:24:18: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   24 |  while (a.size() < MXK-1)
      |         ~~~~~~~~~^~~~~~~

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 304 ms 22688 KB Output is correct
11 Correct 112 ms 4784 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 3 ms 340 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 130 ms 5300 KB Output is correct
2 Correct 100 ms 4668 KB Output is correct
3 Correct 123 ms 4964 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 316 ms 5428 KB Output is correct
9 Correct 273 ms 5300 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 5 ms 340 KB Output is correct
12 Correct 45 ms 984 KB Output is correct
13 Correct 332 ms 5348 KB Output is correct

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 155 ms 15420 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 304 ms 22688 KB Output is correct
11 Correct 112 ms 4784 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 3 ms 340 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 130 ms 5300 KB Output is correct
25 Correct 100 ms 4668 KB Output is correct
26 Correct 123 ms 4964 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 316 ms 5428 KB Output is correct
32 Correct 273 ms 5300 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 5 ms 340 KB Output is correct
35 Correct 45 ms 984 KB Output is correct
36 Correct 332 ms 5348 KB Output is correct
37 Incorrect 155 ms 15420 KB Output isn't correct
38 Halted 0 ms 0 KB -