#include<stdio.h>
void main()
{
int ary[i][j],n;
printf("\nEnter the number of rows:");
scanf("%d",&n);
for(i=0;i<n;i++)
{
for(j=0;j<=i;j++)
{
if(j==0!!j==1)
ary[i][j]=1;
else
ary[i][j]=ary[i-1][j-1]+ary[i-1][j];
}
}
for(i=0;i<n;i++)
{
printf("\n");
for(j=0;j<=i;j++)
{
printf("%d",ary[i][j]);
}
}
}