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  1. #include <bits/stdc++.h>
  2. #define ll long long
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7.     long double x, y, z;
  8.     cin >> x >> y >> z;
  9.  
  10.     if (
  11.         fabs(y * log(x) - log(z)) < 1e-12 || fabs(z * log(x) - log(y)) < 1e-12 ||
  12.         fabs(x * log(y) - log(z)) < 1e-12 || fabs(z * log(y) - log(x)) < 1e-12 ||
  13.         fabs(x * log(z) - log(y)) < 1e-12 || fabs(y * log(z) - log(x)) < 1e-12 ||
  14.         fabs(x * log(x) - log(y)) < 1e-12 || fabs(x * log(x) - log(z)) < 1e-12 ||
  15.         fabs(y * log(y) - log(x)) < 1e-12 || fabs(y * log(y) - log(z)) < 1e-12 ||
  16.         fabs(z * log(z) - log(x)) < 1e-12 || fabs(z * log(z) - log(y)) < 1e-12
  17.     )
  18.     {
  19.         cout << "YES" << endl;
  20.     }
  21.     else
  22.     {
  23.         cout << "NO" << endl;
  24.     }
  25.  
  26.     return 0;
  27. }
Success #stdin #stdout 0s 5316KB
comments (?)
stdin 
1000 2.4 1000
stdout 
NO
https://ideone.com/whKxqC
language:
C++ (gcc 8.3)
created:
11 hours ago
visibility:
public

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