oj.uz

Submission #237590

# Submission time Handle Problem Language Result Execution time Memory
237590 2020-06-07T15:08:56 Z tb_03 Rack (eJOI19_rack) C++14
40 / 100
 5 ms 384 KB 
#include <iostream>
#include <math.h>
 
using namespace std;
typedef unsigned long long ll;
 
	const ll modulo = 1000000007;
	int n, k;
	ll ans = 1;
 
	void recursiva(int level, int casacos)
	{
		if (level == 0)
			return;
 
		if (casacos % 2 == 0)
			recursiva(level - 1, casacos / 2);
		else
		{
			ans = (((ll)powl(2, (level - 1)) % modulo) + ans) % modulo;
			recursiva(level - 1, (casacos - 1) / 2);
		}
	}
 
	int main()
	{
		cin >> n >> k;
		recursiva(n, k - 1);
		cout << ans << endl;
		return 0;
	}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 128 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 128 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 128 KB Output is correct
2 Correct 4 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 4 ms 256 KB Output is correct
6 Correct 4 ms 256 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 4 ms 256 KB Output is correct
9 Correct 4 ms 256 KB Output is correct
10 Correct 5 ms 256 KB Output is correct
11 Correct 4 ms 256 KB Output is correct
12 Incorrect 4 ms 256 KB Output isn't correct
13 Halted 0 ms 0 KB -