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Program Based on Pattern

*
* *
* * *
* * * *
1
1 2
1 2 3
1 2 3 4
A
A B
A B C
A B C D
1
2 2
3 3 3
4 4 4 4
A
B B
C C C
D D D D
1
2 3
4 5 6
7 8 9 10
A
B C
D E F
G H I J

SOURCE CODE

PROBLEM-1

*
* *
* * *
* * * *

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             printf("* ");
      }
        printf("\n");
    }
    return 0;
}


#include  <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             cout<<"* ";
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

*
* *
* * *
* * * *

PROBLEM-2

1
1 2
1 2 3
1 2 3 4

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             printf("%d ",j);
      }
        printf("\n");
    }
    return 0;
}


#include  <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             cout<<j<<" ";
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

1
1 2
1 2 3
1 2 3 4

PROBLEM-3

A
A B
A B C
A B C D

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      char ch;
      for(int i=1;i<=num;i++)
    {
         ch='A';
         for(int j=1;j<=i;j++)
      {
             printf("%c ",ch);
             ch++;
      }
        printf("\n");
    }
    return 0;
}


#include  <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      char ch;
      for(int i=1;i<=num;i++)
    {
         ch='A';
         for(int j=1;j<=i;j++)
      {
             cout<<ch<<" ";
             ch++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

A
A B
A B C
A B C D

PROBLEM-4

1
2 2
3 3 3
4 4 4 4

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             printf("%d ",i);
      }
        printf("\n");
    }
    return 0;
}


#include  <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             cout<<i<<" ";
      }
        cout<<"\n";
    }
    return 0;
}


Output

1
2 2
3 3 3
4 4 4 4

PROBLEM-5

A
B B
C C C
D D D D

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      char ch='A';
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             printf("%c ",ch);
      }
         ch++;
        printf("\n");
    }
    return 0;
}


#include <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      char ch='A';
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             cout<<ch<<" ";
      }
         ch++;
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

A
B B
C C C
D D D D

PROBLEM-6

1
2 3
4 5 6
7 8 9 10

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      int k=1;
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             printf("%d ",k);
             k++;
      }
        printf("\n");
    }
    return 0;
}


#include <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      int k=1;
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             cout<<k<<" ";
             k++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

1
2 3
4 5 6
7 8 9 10

PROBLEM-7

A
B C
D E F
G H I J

Code


#include <stdio.h>
int main()
{
      int num;
      printf("enter number of rows : ");
      scanf(" %d",&num);
      char ch='A';
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             printf("%c ",ch);
             ch++;
      }
        printf("\n");
    }
    return 0;
}


#include <iostream>
using namespace std;
int main()
{
      int num;
      cout<<"enter number of rows : ";
      cin>>num;
      char ch='A';
      for(int i=1;i<=num;i++)
    {
         for(int j=1;j<=i;j++)
      {
             cout<<ch<<" ";
             ch++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

A
B C
D E F
G H I J





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