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  1. #include <stdio.h>
  2. int main(){
  3. int n, i=0;
  4. printf(" Nhap vao so nguyen duong n:");
  5. scanf("%d", &n);
  6. int SoBanDau=n;
  7. while(n>0){
  8. i++;
  9. n/=10;
  10. }
  11. printf(" So %d có %d chu so.\n", SoBanDau,i);
  12. 	return 0;
  13. }
  14.  
Success #stdin #stdout 0s 5320KB
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Standard input is empty
stdout
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 Nhap vao so nguyen duong n: So 32767 có 5 chu so.
https://ideone.com/xtzFlb
language:
C (gcc 8.3)
created:
1 hour ago
visibility:
public

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