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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	int a,b=1;
  5. 	do{
  6. 		scanf("%d",&a);
  7. 		a = a/10;
  8. 		b = b+1;
  9. 	}while(a>=10 || a<=-10);
  10. 		printf("桁数：%d\n",b);
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 5320KB
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桁数：3
https://ideone.com/vdXdU4
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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