Swaps the contents of array A and the contents of Group B

Swap the contents of two arrays:

#include <stdio.h>int main ()//exchange the contents of array A and the contents of Group B {int a[5] = {  1, 2,  3, 4, 5 };int b[5] = {  2, 3, 4, 5, 6 } ; int tmp;int i;printf ("before:\n");for  (I = 0; i<sizeof (a)  / sizeof (A[0]);  i++) {printf ("%d ",  a[i]);}     printf ("\ n");for  (i = 0; i<sizeof (b)  / sizeof (b[0]);  i++) {printf ("%d ",  b[i]);}         for  (I = 0; i<sizeof (a)  /  sizeof (a[0]);  i++) {tmp = a[i];a[i] = b[i];b[i] = tmp;}  printf ("\ n");  printf ("after:\n"); for  (I = 0; i<sizeof (a)  /  sizeof (a[0]);  i++)  {printf ("%d ",  a[i])   }printf ("\ n"); for  (i =  0; i<sizeof (b)  / sizeof (b[0]);nbsp;i++) {         printf ("%d ",  b[i]);}   return 0;}

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Swaps the contents of array A and the contents of Group B