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  1. #include <stdio.h>
  2. int fabs(int a){
  3.     if(a>=0)
  4.     a=a;
  5.     else 
  6.     a=-a;
  7.     return a;}
  8. int main(void) {
  9. 	int x,y;
  10.     y=fabs(x);
  11.     scanf("%d",&x);
  12.     printf("x的绝对值是:%d\n",y);
  13. 	return 0;
  14. }
  15.  
Success #stdin #stdout 0s 5360KB
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x的绝对值是:32764
https://ideone.com/kF7rfp
language:
C (gcc 8.3)
created:
13 hours ago
visibility:
public

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