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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. int main()
  19. {
  20.     ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
  21.     int n; cin >> n;
  22.     //          x | y
  23.     vector<pair<ll,ll>> arr(n);
  24.     for (int i = 0; i < n; i++)
  25.     {
  26.         cin >> arr[i].first;
  27.     }
  28.     for (int i = 0; i < n; i++)
  29.     {
  30.         cin >> arr[i].second;
  31.     }
  32.     ll mx = 0;
  33.     for (int i = 0; i < n; i++)
  34.     {
  35.         for (int j = i+1; j < n; j++)
  36.         {
  37.             ll x = (arr[i].first-arr[j].first);
  38.             ll y = (arr[i].second-arr[j].second);
  39.             mx = max(mx,x*x + y*y);
  40.         }
  41.  
  42.     }
  43.     cout << mx;
  44. }
Success #stdin #stdout 0.02s 5320KB
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https://ideone.com/3ogONd
language:
C++ (gcc 8.3)
created:
1 hour ago
visibility:
public

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