oj.uz

Submission #838521

# Submission time Handle Problem Language Result Execution time Memory
838521 2023-08-27T10:26:06 Z caganyanmaz Packing Biscuits (IOI20_biscuits) C++17
9 / 100
 381 ms 22736 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


constexpr static int MXK = 30;
ll count_tastiness(ll x, vector<ll> a) 
{
	if (x >= 1e5)
		return 1;

	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));
	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;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 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 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 381 ms 22736 KB Output is correct
11 Correct 43 ms 4112 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Runtime error 1 ms 340 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 31 ms 5380 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Incorrect 168 ms 15416 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 1 ms 212 KB Output is correct
3 Correct 1 ms 340 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 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 381 ms 22736 KB Output is correct
11 Correct 43 ms 4112 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Runtime error 1 ms 340 KB Execution killed with signal 11
17 Halted 0 ms 0 KB -