PATTERN-5 C-PROGRAMS

Write a program to display following pattern

1
01
101
0101
10101

#include<stdio.h>
#include<conio.h>
int main()
{
int i,j,k=1;
for(i=1;i<=5;i++)
{
if(i%2==0)
k=0;
else
k=1;
for(j=1;j<=i;j++)
{
printf("%d",k);
k++;
if (k==2)
k=0;
}
printf("\n");
}
}