Array rearrangement

/* Arrange the elements of the array in such a way so that negative elements will be in one side and positive elements will be in another side. But don't hamper its respective order */

#include<stdio.h>

int main()
{
int a[7],n,m,i,t;

printf("Enter the number of elements : ");
scanf("%d",&m);

printf("Enter the values : ");
for(i=0;i<m;i++)
{
scanf("%d",&a[i]);
}

printf("\nValues in the array are : ");
for(i=0;i<m;i++)
printf("%d,",a[i]);

for(i=0;i<m;i++)
{
if(a[i]<0)
{
t=i-1;
n=a[i];
while(t>=0 && a[t]>0)
{
a[t+1]=a[t];
t--;
}
a[t+1]=n;
}
}

printf("\nAfter arrangement : ");
for(i=0;i<m;i++)
printf("%d,",a[i]);
printf("\n\n\n");
}