Number Pattern - 22

Number Pattern - 22

1
123
12345
1234567

#include<stdio.h>
void main()
{
  int i,j;
  for(i=1;i<=7;i+=2)
  {
    for(j=1;j<=i;j++)
    {
      printf("%d",j);
    }
    printf("\n");
  }
  return 0;
}