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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. int main(void)
  5. {
  6.     int n;
  7.     scanf("%d", &n);
  8.     printf("%d", (int)log10(n) + 1);
  9. }
Runtime error #stdin #stdout 0.01s 1680KB
comments (?)
stdin 
Standard input is empty
stdout 
9
https://ideone.com/zkUlnB
language:
C (gcc 8.3)
created:
11 years ago
visibility:
secret

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