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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. int a;
  6. scanf("%d",&a);
  7. if(a/1000)
  8. printf("a是四位数");
  9. else if(a/100)
  10. printf("a是三位数");
  11. else if(a/10>1)
  12. printf("a是两位数");
  13. else if(a/1>1)
  14. printf("a是一位数");
  15. while(a!=0){printf("%d",a%10);a=a/10;}
  16. printf("\n");
  17. 	// your code goes here
  18. 	return 0;
  19. }
Success #stdin #stdout 0s 15232KB
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language:

						
C++14 (gcc 8.3)

					

					

						
created:
								
						
5 years ago

					

					

						
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