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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	double x;
  5.     while(scanf("%lf", &x)==1) {
  6.        char buff[32];
  7.        sprintf(buff, "%le", x);
  8.        int beforeDot, afterDot, exponent;
  9.        sscanf(buff, "%d.%de%d", &beforeDot, &afterDot, &exponent);
  10.        while(afterDot%10==0 && afterDot)
  11.               afterDot/=10;
  12.        printf("%d.%de%+d\n", beforeDot, afterDot, exponent);
  13.     }
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout 0s 2252KB
comments (?)
stdin
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5.005
stdout
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5.5e+0
https://ideone.com/Yxmr8t
language:
C (gcc 8.3)
created:
9 years ago
visibility:
public

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