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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int n;
  5.     printf("Enter the number: ");
  6.     scanf("%d",&n);
  7.  
  8.     int count=0;
  9.     while(n>0){
  10.      n/=10;
  11.      count++;
  12.      }
  13.        printf("The no. of digits are %d",count);
  14. 	return 0;
  15. }
  16.  
Success #stdin #stdout 0s 5300KB
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stdin
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1234
stdout
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Enter the number: The no. of digits are 4
https://ideone.com/f6UTop
language:
C (gcc 8.3)
created:
18 days ago
visibility:
public

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