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  1. #include <bits/stdc++.h>
  2. #include <ext/pb_ds/assoc_container.hpp>
  3. #include <ext/pb_ds/tree_policy.hpp>
  4.  
  5. using namespace std;
  6. using namespace __gnu_pbds;
  7. using ll = long long;
  8. using ld = long double;
  9.  
  10. #define all(x)  x.begin(),x.end()
  11. #define v(x) vector<x>
  12. #define nl '\n'
  13. #define fxd(x) fixed << setprecision(x)
  14. template<class t> using ordered_set = tree<t, null_type, less<t>, rb_tree_tag, tree_order_statistics_node_update>;
  15. template<class t> using ordered_multiset = tree<t, null_type, less_equal<t>, rb_tree_tag, tree_order_statistics_node_update>;
  16.  
  17.  
  18.  
  19. ll ExtendedEclideanRec(ll a , ll b , ll &x , ll &y)
  20. {
  21.     if(b == 0)
  22.     {
  23.         x = 1;
  24.         y = 0;
  25.         return a;
  26.     }
  27.  
  28.     ll x1 , y1;
  29.     ll gc = ExtendedEclideanRec(b,a%b,x1,y1);
  30.  
  31.     x = y1;
  32.     y = x1 - y1 * (a/b);
  33.  
  34.     return gc;
  35. }
  36.  
  37. int main()
  38. {
  39.     ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
  40.     ll a , b;
  41.     while (cin >> a >> b)
  42.     {
  43.         ll x , y,d;
  44.         d = ExtendedEclideanRec(a,b,x,y) ;
  45.         cout << x << " " << y << " " << d << nl;
  46.     }
  47. }
Success #stdin #stdout 0s 5320KB
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https://ideone.com/pWjFyg
language:
C++ (gcc 8.3)
created:
8 hours ago
visibility:
public

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