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  1. #include<stdio.h>
  2.  
  3. void swap (int *x,int *y)
  4. {
  5.     int temp;
  6.     temp=*x;
  7.     *x=*y;
  8.     *y=temp;
  9.     printf("new value of x=%d\n",*x);
  10.     printf("new value of y=%d\n",*y);
  11.  
  12.  
  13.  
  14. }
  15.  
  16.  
  17.  
  18.   int main()
  19. {
  20.     int a=10;
  21.     //printf ("enter a=");
  22.     //scanf("%d",&a);
  23.     int b=20;
  24.     //printf ("enter b=");
  25.     //scanf("%d",&b);
  26.     swap(&a,&b);
  27.     printf("value of a=%d\n",a);
  28.     printf("value of b=%d",b);
  29.  
  30.  
  31. return 0;
  32. }
  33.  
  34.  
Success #stdin #stdout 0s 5288KB
comments (?)
stdin
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Standard input is empty
stdout
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new value of x=20
new value of y=10
value of a=20
value of b=10
https://ideone.com/kZ4A5N
language:
C (gcc 8.3)
created:
6 days ago
visibility:
public

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