Submission #630177

#	Time	Username	Problem	Language	Result	Execution time	Memory
630177		Hacv16	Euklid (COCI20_euklid)	C++17	27 / 110	1089 ms	320 KiB

euklid

#include<bits/stdc++.h>
using namespace std;
 
typedef long long ll;
typedef pair<int, int> pii;
 
const int MAX = 2e6 + 15;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
 
#define pb push_back
#define sz(x) (int) x.size()
#define fr first
#define sc second
#define mp make_pair
#define all(x) x.begin(), x.end()
#define dbg(x) cerr << #x << ": " << "[ " << x << " ]\n"
 
ll r(ll a, ll b){
    if(a < b) return r(b, a);
    if(b > 1) return r(a / b, b);
    return a;
}
 
void find(ll a, ll b){
    if(a == b){
        cout << a << ' ' << b << '\n';
        return;
    }

    if(b == 2){
        cout << a << ' ' << 2 * a << '\n';
        return;
    }

    for(ll i = a; i <= 10000; i++){
        for(ll j = a; j <= 10000; j++){
            if(__gcd(i, j) == a && r(i, j) == b){
                cout << i << ' ' << j << '\n';
                return;
            }
        }
    }
}
 
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL); 
 
    int tc; cin >> tc;
 
    while(tc--){
        ll a, b; cin >> a >> b;
        find(a, b);        
    }
 
    return 0;
}

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