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thesonpb

làm tròn

Mar 30th, 2020
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C++ 0.17 KB | None | 0 0
  1. #include <cmath>
  2. int rnd(double x){
  3.     double x1=abs(x);
  4.     int a=x1;
  5.     if(x>0)
  6.     return ((x1-a)<(a+1-x1))? a: a+1;
  7.     return ((x1-a)<(a+1-x1))? -a: -a-1;
  8. }
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