Vertical Continues Number Pyramid

Q. Write a C program to print the following vertical continues number pyramid as:

1
23
4
56
7
89
10

Ans.

/*c program for vertical continues number pyramid*/
#include<stdio.h>
int main()
{
int r,c,x,y;

static int i=1;
for(r=1; r<=7; r++)
{
if(r%2==0)
{
for(x=2; x>=1; x--,i++)
printf("%d",i);
}
else

font-size: large;"> {
for(y=1; y>=1; y--,i++)
printf("%d",i);
}
printf("
");
}
getch();
return 0;
}

The output of above program would be: