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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int main() {
  6.     float x, y, u;
  7.     scanf("%f%f", &x, &y);
  8.     float a=x*x+y*y;
  9.     if((y<0)||(a>1)||((x>0)&&(a<0.3)))
  10.     {
  11.         printf("u=%f", sqrt(abs(x-1)));
  12.     }
  13.     else
  14.     {
  15.         printf("u=%f",x*x-1);
  16.     }
  17.  
  18.     return 0;
  19. }
Success #stdin #stdout 0s 4548KB
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stdin
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0.3 0.3
stdout
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u=0.836660
https://ideone.com/TZMrLL
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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