All Number Patterns

Below is a complete list of all the Number patterns.Outputs of all the codes have been put below the respective codes. This allows the user to view how the code works.

1
1 2
1 2 3
1 2 3 4
1 2 3 4 5

Code:     
#include<iostream.h>
#include<conio.h>
void main()
{
    int i,j,row;
    clrscr();
    cout<<"Enter the number of rows you want:\n";
    cin>>row;
    for(i=1;i<=row;i++)
    {
 for(j=1;j<=i;j++)
 {
     cout<<j;
 }
 cout<<"\n";
    }
    getch();
} 

 1
 2  3
 4  5  6
 7  8  9 10
11 12 13 14 15 

Code:     
#include<iostream.h>
#include<conio.h>
void main()
{
  int i,j,k,row;
  clrscr();
  k=1;
  cout<<"Enter the no. of rows you want:\n";
  cin>>row;
  for(i=1;i<=row;i++)
  {
    for(j=row;j>=1;j--)
    {
      if(j>i)
 cout<<" ";
      else
 cout<<k++;
    }
    cout<<"\n";
  }
  getch();
} 

1
2 2
3 3 3
4 4 4 4
5 5 5 5 5

Code:     
#include<iostream.h>
#include<conio.h>
void main()
{
    int i,j;
    clrscr();
    cout<<"Enter the number of rows you want:\n";
    cin>>row;
    for(i=1;i<=row;i++)
    {
 for(j=1;j<=i;j++)
 {
     cout<<i;
 }
 cout<<"\n";
    }
  getch();
} 

1
2 6
3 7 10
4 8 11 13
5 9 12 14 15

Code:     
#include<iostream.h>
#include<conio.h>
void main()
{
  int i,j,k,row;
  clrscr();
  cout<<"Enter the number of rows you want:\n";
  cin>>row;
  for(i=1;i<=row;i++)
  {
    k = i;
    for(j=1;j<=i;j++)
    {
      cout<<k;
      k += row-j;
    }
    cout<<"\n";
  }
 getch();
} 

    1
   2 3
  4 5 6
 7 8 910
1112131415

Code:     
#include<iostream.h>
#include<conio.h>
void main()
{
  int i,j,k,row;
  clrscr();
  k=1;
  cout<<"Enter the no. of rows you want:\n";
  cin>>row;
  for(i=1;i<=row;i++)
  {
    for(j=row;j>=1;j--)
    {
      if(j>i)
 cout<<" ";
      else
 cout<<k++;
    }
    cout<<"\n";
  }
  getch();
} 

1
0 1
0 0 1
0 0 0 1
0 0 0 0 1

Code:     
#include<iostream.h>
#include<conio.h>
void main()
{
 int i,j,row;
 clrscr();
 cout<<"Enter the number of rows you want:\n";
 cin>>row;
 cout<<"\n";
 for(i=1;i<=row;i++)
 {
  for(j=1;j<=i;j++)
  {
   cout<<j/i;
  }
  cout<<"\n";
 }
 getch();
}