print 1 to 100 using while loop, do while loop, for loop

#include<stdio.h>
#include<conio.h>
int main()
{
	int i;
	//print 1 to 100 using while loop
	while(i<=100)
	{
		printf("%d",i);
		i++;
	}
	
	//print 1 to 100 using do while
	do
	{
		printf("%d",i);
		i++;
	}
	while(i<=100);
	
	//print 1 to 100 using for loop
	for(i=1;i<100;i++)
	{
		printf("%d\n",i);
	}
	
	return 0;
}