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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. int a=23,b,c;
  5. b=a/10;
  6. c=a%10;
  7. printf("a=%d\n",a);
  8. printf("十位=%d\n",b);
  9. printf("个位=%d\n",c);
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 5584KB
stdin
Standard input is empty
stdout
a=23
十位=2
个位=3