Moving Negative Numbers to the Beginning of Array
Revision as of 21:02, 15 November 2013 by Arjun (talk | contribs)


#include<stdio.h>
int main()
{
        int i,n,pi,ni, count = 0;
        int a[1000];
        printf("Enter size of array: ");
        scanf("%d",&n);
        printf("Enter numbers of array\n");
        for(i=0; i<n; i++)
        {
                scanf("%d",&a[i]);
        }
        ni =n-1;
        while(a[ni] >= 0)
                ni--;
        pi = 0;
        while(a[pi] <0)
                pi++;
        while(ni >pi)
        {
                int temp = a[pi];
                a[pi] = a[ni];
                a[ni] = temp;
                while(a[ni] >= 0)
                        ni--;
                while(a[pi] <0)
                        pi++;

        }

        for(i=0; i<n; i++)
        {
                printf("%d ", a[i]);
        }


}
Retrieved from "https://gatecse.in/w/index.php?title=Moving_Negative_Numbers_to_the_Beginning_of_Array&oldid=206"

#include<stdio.h>
int main()
{
        int i,n,pi,ni, count = 0;
        int a[1000];
        printf("Enter size of array: ");
        scanf("%d",&n);
        printf("Enter numbers of array\n");
        for(i=0; i<n; i++)
        {
                scanf("%d",&a[i]);
        }
        ni =n-1;
        while(a[ni] >= 0)
                ni--;
        pi = 0;
        while(a[pi] <0)
                pi++;
        while(ni >pi)
        {
                int temp = a[pi];
                a[pi] = a[ni];
                a[ni] = temp;
                while(a[ni] >= 0)
                        ni--;
                while(a[pi] <0)
                        pi++;

        }

        for(i=0; i<n; i++)
        {
                printf("%d ", a[i]);
        }


}