Swap two index value in c program
Write a program to swap the array index value in c program.
Example : pgm.c
#include<stdio.h> int main(){ int n=10,i,temp; int a[]={1,2,3,4,5,6,7,8,9,10}; printf("\Before Swapping :\n"); for(i=0;i<n;i++){ printf("\t%d",a[i]); } for(i=0;i<n;i=i+2){ temp=a[i]; a[i]=a[i+1]; a[i+1]=temp; } printf("\nAfter Swapping :\n"); for(i=0;i<n;i++){ printf("\t%d",a[i]); } return 0; }
Output:
Before Swapping :
1 2 3 4 5 6 7 8
After Swapping :
2 1 4 3 6 5 8 7
1 2 3 4 5 6 7 8
After Swapping :
2 1 4 3 6 5 8 7