제출 #374398

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
374398		NONAME	Euklid (COCI20_euklid)	C++17	20 / 110	1 ms	364 KiB

euklid

#include <bits/stdc++.h>
using namespace std;
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

int gcd(int a, int b) {
    return (b == 0) ? a : gcd(b, a % b);
}

int r(int a, int b) {
    if (a < b) {
        swap(a, b);
    }
    if (b == 1) {
        return a;
    }
    return r(a / b, b);
}

void solve() {
    long long g, h;
    cin >> g >> h;

    assert(g <= (h * g));
    // assert(r(g, h * g));

    if (g == h) {
        cout << g << " " << g << "\n";
    } else if (g <= (h * g)) {
        cout << h * g << " " << g << "\n";
    } else {
        // assert(0);
        long long x = g;
        while (r(h * g, x) != h) {
            // cerr << x << "\n";
            x += g;
        }
        // cerr << cnt << "\n";
        cout << (h * g) << " " << x << "\n";
    }
}

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

    int t;
    cin >> t;
    while (t--) {
        solve();
    }

    return 0;
}

• Subtask 1: 4 / 4
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 0 / 15
• Subtask 5: 0 / 40
• Subtask 6: 0 / 35