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  1. #include <iostream>
  2. #include <vector>
  3. using namespace std;
  4.  
  5. int main(){
  6.     vector<int> t(4);
  7.     cin >> t[0] >> t[1] >> t[2] >> t[3];
  8.     if (t[1] / t[0] == t[2] / t[1] && t[2] / t[1] == t[3] / t[2]) {
  9.         cout << "DA";
  10.         return 0;
  11.     }
  12.     cout << "NU";
  13.     return 0;
  14. }
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin 
2 4 -8 16
stdout 
NU
https://ideone.com/hMhlqd
language:
C++ (gcc 8.3)
created:
11 days ago
visibility:
public

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