C Program for print 1,-1,1,-1,1,-1,1,..n terms

/*program for print 1,-1,1,-1,......n*/
#include <stdio.h>
#include <conio.h>
void main ()
{
    int n,c,t;
     printf ("How many time you want to print like 1,-1,1,-1........\n");
     scanf ("%d",&n);
     t=1;
     c=1;
     while (c<=n)
     {
           printf ("%d,",t);
           t=t>0?t-2:t+2; /*Condition Operators*/
           c++;
           
     }  
     
     getch ();
     
}