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Submission #674308

# Submission time Handle Problem Language Result Execution time Memory
674308 2022-12-23T16:50:07 Z Hostek Rack (eJOI19_rack) C++17
40 / 100
 1 ms 212 KB 
// https://oj.uz/problem/view/eJOI19_rack

// European Junior Olympiad in Informatics 2019
// Day 1 Tasks

// Hanging Rack

#include <bitset>
#include <iostream>

std::bitset<10000000> tab;

size_t convert_to_bin(long long n) {
    if (n == 0) {
        return 0;
    }

    long long i = 0;
    while (n > 0) {
        tab[i] = n % 2;

        n = n / 2;
        i++;
    }

    return i - 1;
}

int main() {
    std::ios_base::sync_with_stdio(0);
    std::cin.tie(0);
    std::cout.tie(0);

    long long n, k;
    std::cin >> n >> k;

    k--;

    convert_to_bin(k);

    long long rack = 1;

    for (int i = 0; i < n; i++) {
        long long temp = tab[i] ? (1ll << (n - i - 1)) : tab[i];

        rack += temp;
        // std::cout << tab[i] << " | val: " << temp << '\n';
    }
    // std::cout << '\n';

    std::cout << rack << '\n';

    return 0;
}

Subtask #1
20.0 / 20.0

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

Subtask #2
20.0 / 20.0

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

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 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 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Incorrect 1 ms 212 KB Output isn't correct
12 Halted 0 ms 0 KB -