Submission #24543397

Source Code Expand

#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif
#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;

int gcd(int left, int right) {
    if (right == 0) {
        return left;
    }
    return gcd(right, left % right);
}

int main() {
#ifdef DEBUG
    freopen("input.txt", "r", stdin);
#else
    //    freopen("lupa.in","r",stdin);
    //    freopen("pupa.out","w",stdout);
#endif
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << setprecision(10);
    cout << fixed;
    int n;
    cin >> n;
    vector<int> a(n), b(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i] >> b[i];
    }
    set<int> multa, multb;
    for (int i = 1; i < sqrt(a[0]) + 100; ++i) {
        if (a[0] % i == 0) {
            multa.insert(i);
            multa.insert(a[0] / i);
        }
    }
    for (int i = 1; i < sqrt(b[0]) + 100; ++i) {
        if (b[0] % i == 0) {
            multb.insert(i);
            multb.insert(b[0] / i);
        }
    }
    ll ans = 0;
    for (int vala : multa) {
        for (int valb: multb) {
            bool good = true;
            for (int i = 1; i < n; ++i) {
                if ((a[i] % vala || b[i] % valb) &&
                    (a[i] % valb || b[i] % vala)) {
                    good = false;
                    break;
                }
            }
            if (good) {
                ans = max(ans, 1LL * vala * valb / gcd(vala, valb));
            }
        }
    }
    cout << ans;
    return 0;
}

Submission Info

Submission Time
Task C - LCM of GCDs
User Paliukh
Language C++ (GCC 9.2.1)
Score 500
Code Size 1617 Byte
Status AC
Exec Time 532 ms
Memory 3656 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 73
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All hand_01.txt, hand_02.txt, hand_03.txt, hand_04.txt, hand_05.txt, hand_06.txt, hand_07.txt, hand_08.txt, hand_09.txt, hand_10.txt, max_01.txt, max_02.txt, max_03.txt, max_04.txt, max_05.txt, max_06.txt, max_07.txt, max_08.txt, max_09.txt, max_10.txt, max_11.txt, max_12.txt, max_13.txt, max_14.txt, max_15.txt, max_16.txt, max_17.txt, max_18.txt, max_19.txt, max_20.txt, max_21.txt, max_22.txt, max_23.txt, max_24.txt, max_25.txt, max_26.txt, max_27.txt, max_28.txt, max_29.txt, max_30.txt, random_01.txt, random_02.txt, random_03.txt, random_04.txt, random_05.txt, random_06.txt, random_07.txt, random_08.txt, random_09.txt, random_10.txt, random_11.txt, random_12.txt, random_13.txt, random_14.txt, random_15.txt, random_16.txt, random_17.txt, random_18.txt, random_19.txt, random_20.txt, random_21.txt, random_22.txt, random_23.txt, random_24.txt, random_25.txt, random_26.txt, random_27.txt, random_28.txt, random_29.txt, random_30.txt, sample_01.txt, sample_02.txt, sample_03.txt
Case Name Status Exec Time Memory
hand_01.txt AC 532 ms 3620 KiB
hand_02.txt AC 5 ms 3500 KiB
hand_03.txt AC 8 ms 3648 KiB
hand_04.txt AC 8 ms 3524 KiB
hand_05.txt AC 3 ms 3636 KiB
hand_06.txt AC 16 ms 3520 KiB
hand_07.txt AC 6 ms 3656 KiB
hand_08.txt AC 3 ms 3576 KiB
hand_09.txt AC 5 ms 3632 KiB
hand_10.txt AC 9 ms 3516 KiB
max_01.txt AC 2 ms 3552 KiB
max_02.txt AC 2 ms 3548 KiB
max_03.txt AC 2 ms 3468 KiB
max_04.txt AC 2 ms 3468 KiB
max_05.txt AC 2 ms 3556 KiB
max_06.txt AC 2 ms 3500 KiB
max_07.txt AC 2 ms 3496 KiB
max_08.txt AC 2 ms 3584 KiB
max_09.txt AC 2 ms 3472 KiB
max_10.txt AC 4 ms 3472 KiB
max_11.txt AC 2 ms 3616 KiB
max_12.txt AC 2 ms 3548 KiB
max_13.txt AC 3 ms 3616 KiB
max_14.txt AC 2 ms 3556 KiB
max_15.txt AC 2 ms 3476 KiB
max_16.txt AC 3 ms 3620 KiB
max_17.txt AC 2 ms 3548 KiB
max_18.txt AC 2 ms 3500 KiB
max_19.txt AC 2 ms 3476 KiB
max_20.txt AC 2 ms 3548 KiB
max_21.txt AC 2 ms 3496 KiB
max_22.txt AC 3 ms 3632 KiB
max_23.txt AC 2 ms 3548 KiB
max_24.txt AC 2 ms 3508 KiB
max_25.txt AC 2 ms 3616 KiB
max_26.txt AC 3 ms 3496 KiB
max_27.txt AC 2 ms 3500 KiB
max_28.txt AC 5 ms 3500 KiB
max_29.txt AC 2 ms 3620 KiB
max_30.txt AC 2 ms 3644 KiB
random_01.txt AC 2 ms 3608 KiB
random_02.txt AC 2 ms 3576 KiB
random_03.txt AC 3 ms 3496 KiB
random_04.txt AC 2 ms 3580 KiB
random_05.txt AC 2 ms 3620 KiB
random_06.txt AC 2 ms 3552 KiB
random_07.txt AC 2 ms 3492 KiB
random_08.txt AC 2 ms 3472 KiB
random_09.txt AC 6 ms 3484 KiB
random_10.txt AC 2 ms 3464 KiB
random_11.txt AC 2 ms 3604 KiB
random_12.txt AC 3 ms 3520 KiB
random_13.txt AC 2 ms 3496 KiB
random_14.txt AC 2 ms 3608 KiB
random_15.txt AC 3 ms 3620 KiB
random_16.txt AC 8 ms 3600 KiB
random_17.txt AC 3 ms 3544 KiB
random_18.txt AC 2 ms 3496 KiB
random_19.txt AC 2 ms 3620 KiB
random_20.txt AC 2 ms 3644 KiB
random_21.txt AC 3 ms 3464 KiB
random_22.txt AC 2 ms 3484 KiB
random_23.txt AC 2 ms 3616 KiB
random_24.txt AC 2 ms 3608 KiB
random_25.txt AC 4 ms 3608 KiB
random_26.txt AC 2 ms 3576 KiB
random_27.txt AC 2 ms 3656 KiB
random_28.txt AC 2 ms 3640 KiB
random_29.txt AC 2 ms 3580 KiB
random_30.txt AC 2 ms 3496 KiB
sample_01.txt AC 2 ms 3488 KiB
sample_02.txt AC 2 ms 3580 KiB
sample_03.txt AC 2 ms 3500 KiB