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Submission #1096886

# Submission time Handle Problem Language Result Execution time Memory
1096886 2024-10-05T10:41:26 Z sadsadsa Rack (eJOI19_rack) C++14
100 / 100
 4 ms 456 KB 
#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    long long int n,k;
    long long int g = 1;
    long long int b = 1;
    cin >> n >> k;
    k-=1;
    for (int i = 0; i < n; i++)
    {
    //    cout << g << " " << k%2 << "\n";
        b *= 2;
        b %= 1000000007;
        g = (g*2)+k%2;
        g %= 1000000007;
        k /= 2;

    }
    b -= 1;
    b %= 1000000007;
   // cout << b << "\n";
    if (b > g)
    {
        b -= g;
        g = 1000000007-b;
    }
    else
    {
        g -= b;
    }
    cout << g;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 456 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 456 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 4 ms 348 KB Output is correct