Interchanging Odd & Even Numbers In C Program


#include <stdio.h>
// 12 34 45 56 67 7 8 78 87 54 12
int main()
{
    int num[]={1,2,3,4,5,6,7,8,9,10};
    int i,t; 
    printf("\n Before Interchange \n");
    for(i=0;i<=9;i++)
    {
        printf("%d\n", num[i]);
    }
    for(i=0;i<=9;i=i+2)
    {
        t=num[i];      //i=0
        num[i]=num[i+1];
        num[i+1] = t ;
    }
    printf("\n After Interchange ");
    for(i=0;i<=9;i++)
    printf("\n%d",num[i]);
    
    return 0;
}

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