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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	// your code goes here
  5. 	char ch;
  6. 	scanf("%c",&ch);
  7. 	if(ch>='0'&&ch<='9')
  8. 	{
  9. 		printf("这是一个数字字符");
  10. 	}
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 5320KB
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这是一个数字字符
https://ideone.com/Oyu9ER
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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