Answer Posted / adhiraj keshri

#include<stdio.h>
main()
{
int n;
printf("enter the lines");
scanf("%d",&n);
for(int i=1;i<=n/2;i++)
{
printf("*\n");
for(int j=1;j<=2*i;j++)
printf("*");
printf("\n");
}
if(n%2!=0)
printf("\n*");

}

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