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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. void solve(){
  5.      ll n,m,l,r; cin>>n>>m>>l>>r;
  6.      ll gcd=__gcd(n,m);
  7.      ll lcm=(n*m)/gcd;
  8.      ll ans=(r/lcm)-(l-1)/lcm;
  9.      cout<<ans<<'\n';
  10. }
  11. int main()
  12. {
  13.     ios_base::sync_with_stdio(0);
  14.     solve();
  15. }
Runtime error #stdin #stdout 0.01s 5444KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/2Coh9b
language:
C++14 (gcc 8.3)
created:
3 years ago
visibility:
secret

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