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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. v(ll) nums(1000003,2);
  18. void sieveofmazen()
  19. {
  20.     ll sz = 1000003;
  21.     nums[0] = 0;
  22.     nums[1] = 1;
  23.     for (ll i = 2; i < sz; i++)
  24.     {
  25.         for (ll j = 2*i; j < sz; j+=i)
  26.         {
  27.             nums[j]++;
  28.         }
  29.     }
  30.     return;
  31. }
  32.  
  33. int main()
  34. {
  35.     ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
  36.     sieveofmazen();
  37.     int t; cin >> t;
  38.     while (t--)
  39.     {
  40.         ll a , b; cin >> a >> b;
  41.         cout << nums[__gcd(a,b)] << nl;
  42.     }
  43.  
  44. }
Success #stdin #stdout 0.08s 11108KB
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https://ideone.com/GzBXBf
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

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