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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. typedef long long ll;
  4. const int Mod=998244353;
  5.  
  6. void solve() {
  7.  
  8.     ll a,b;
  9.     cin >> a >> b;
  10.  
  11.     if(b%a==0){ 
  12.         cout << b*b/a << '\n';
  13.         return;
  14.     }
  15.  
  16.     cout << __gcd(a,b)/a*b << '\n';
  17. }
  18.  
  19. int main(){ 
  20.     ios::sync_with_stdio(false);
  21.     cin.tie(nullptr);
  22.  
  23.     int t;
  24.     cin >> t;
  25.     while (t--) solve();
  26.  
  27.  
  28.     return 0;
  29. }
  30.  
Success #stdin #stdout 0.01s 5320KB
comments (?)
stdin
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8
2 3
1 2
3 11
1 5
5 10
4 6
3 9
250000000 500000000
stdout
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0
4
0
25
20
0
27
1000000000
https://ideone.com/0YAw1e
language:
C++ (gcc 8.3)
created:
10 days ago
visibility:
public

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