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  1. #include<iostream>
  2.  
  3. inline int round(float f) { return (f > 0)?(f+.5f):(f-.5f); }
  4.  
  5. int main() {
  6.     int mas_size;mas_size=round((0.4-0.1)/0.1);
  7.     std::cout << mas_size;    
  8.  
  9.     return 0;
  10. }
Success #stdin #stdout 0s 2896KB
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stdin 
Standard input is empty
stdout 
3
https://ideone.com/rmLZZc
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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