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  1. #include <cstdio>
  2. #include <cmath>
  3.  
  4. int main()
  5. {
  6.   double x;
  7.   double y = 3.499;
  8.  
  9.   scanf("%lf", &x);
  10.   printf("%f\n", round(x*100)/100);
  11.   printf("%f", round(y));
  12.  
  13.   return 0;
  14. }
Success #stdin #stdout 0.01s 5312KB
comments (?)
stdin
copy 
3.4999999999999999
stdout
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3.500000
3.000000
https://ideone.com/xQ17WL
language:
C++14 (gcc 8.3)
created:
3 days ago
visibility:
public

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