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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main()
  5. {
  6.     double zahl;
  7.     int exponent;
  8.     double mantisse;
  9.  
  10.     while (scanf("%lf", &zahl) == 1)
  11.     {
  12.         exponent = log10(zahl);
  13.         mantisse = zahl / pow(10, exponent);
  14.         printf("%f = %f * 10^%d\n", zahl, mantisse, exponent);
  15.     }
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 1724KB
comments (?)
stdin
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123.456
0.0012345
9.87654
stdout
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123.456000 = 1.234560 * 10^2
0.001234 = 0.123450 * 10^-2
9.876540 = 9.876540 * 10^0
https://ideone.com/uazXEL
language:
C (gcc 8.3)
created:
13 years ago
visibility:
public

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