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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. ll gcd(ll a, ll b){
  6.     if (b == 0)
  7.         return a; 
  8.  
  9.         else return gcd(b, a%b);
  10. }
  11.  
  12. int main(){
  13.     ll n, a, b;
  14.     cin >> n >> a >> b;
  15.  
  16.     ll fac = (a*b)/gcd(a,b);
  17.  
  18.     cout << fac/a+fac/b << endl;
  19. }
Success #stdin #stdout 0.01s 5280KB
comments (?)
stdin 
5 2 3
stdout 
5
https://ideone.com/AR1sDG
language:
C++ (gcc 8.3)
created:
16 days ago
visibility:
public

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