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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	// your code goes here
  7. 	int decimal_value = 1023;
  8. 	int numOfDigits;
  9. 	double result = log2(decimal_value);
  10.     numOfDigits = floor(result+1);
  11.     cout << numOfDigits;
  12. 	return 0;
  13. }
Success #stdin #stdout 0s 3468KB
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Standard input is empty
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10
https://ideone.com/CIehUg
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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