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  • C program to interchange the elements of an array.
  • Now we will see how to swap two integer arrays in C programming by using third array.



Program #1: Write a C program to swap two integer arrays

  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. int main(int argc, char *argv[])
  4. {
  5.   
  6.   int a[5],b[5],c[5],i;
  7.   printf("Enter First array 5 elemnets \n");
  8.   for(i=0;i<5;i++)
  9.   scanf("%d",&a[i]);
  10.   printf("\nEnter Second array 5 elements\n");
  11.   for(i=0;i<5;i++)
  12.             scanf("%d",&b[i]);
  13.   printf("Arrays before swapping\n");
  14.   printf("First array \n");
  15.   for(i=0;i<5;i++){
  16.             printf("%d ",a[i]);
  17.   }
  18.   printf("\nSecond array\n");
  19.   for(i=0;i<5;i++){
  20.             printf("%d ",b[i]);
  21.   }
  22.   for(i=0;i<5;i++){
  23.             c[i]=a[i];
  24.             a[i]=b[i];
  25.             b[i]=c[i];
  26.   }
  27.   printf("\nArrays after swapping\n");
  28.   printf("First array elements \n");
  29.   for(i=0;i<5;i++){
  30.             printf("%d ",a[i]);
  31.   }
  32.   printf("\nSecond array elements \n");
  33.   for(i=0;i<5;i++){
  34.             printf("%d ",b[i]);
  35.   }
  36.  return 0;
  37. }

Output:


swap arrays in c


Instance Of Java

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