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  1. #include <stdio.h>
  2. int n,count=0;
  3. int main()
  4. {
  5. scanf("%d",&n);
  6. while(n!=0)
  7. {
  8. count++;
  9. n=n/10;
  10. }
  11. printf("%d",count);
  12. return 0;
  13. }
Success #stdin #stdout 0s 9424KB
stdin
29101707
stdout
8