oj.uz

Submission #513200

# Submission time Handle Problem Language Result Execution time Memory
513200 2022-01-17T04:01:33 Z KoD Euklid (COCI20_euklid) C++17
4 / 110
 1 ms 460 KB 
#include <bits/stdc++.h>

using std::vector;
using std::array;
using std::pair;
using std::tuple;

using i64 = std::int64_t;

constexpr i64 ceil_div(const i64 a, const i64 b) {
    return (a + b - 1) / b;
}

pair<i64, i64> solve(const i64 G, const i64 H) {
    i64 low = 1, high = 1;
    while (high - low + 1 < G) {
        low = low * H + 0;
        high = high * H + (H - 1);
    }
    i64 a = ceil_div(low, G) * G, b = H;
    return {a, a * b + G};
}

i64 edicul(const i64 a, const i64 b) {
    if (a < b) return edicul(b, a);
    if (b == 1) return a;
    return edicul(a / b, b);
}

int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    int Q;
    std::cin >> Q;
    while (Q--) {
        i64 G, H;
        std::cin >> G >> H;
        const auto [a, b] = solve(G, H);
        assert(std::gcd(a, b) == G);
        assert(edicul(a, b) == H);
        std::cout << a << ' ' << b << '\n';
    }
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 260 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 40.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 260 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Runtime error 1 ms 460 KB Execution killed with signal 6
7 Halted 0 ms 0 KB -