PLAY WITH CODING

Home Basic Program If & Else Loops Conversion Pattern logo

Program Based on Pattern

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

1*2*3*4
  1*2*3
    1*2
      1

Code


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


Output

Enter number of rows :- 4

1*2*3*4
  1*2*3
    1*2
      1

PROBLEM-2

A*B*C*D
  A*B*C
    A*B
      A

Code


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


Output

Enter number of rows :- 4

A*B*C*D
  A*B*C
    A*B
      A

PROBLEM-3

1*1*1*1
  2*2*2
    3*3
      4

Code


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


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

Output

Enter number of rows :- 4

1*1*1*1
  2*2*2
    3*3
      4

PROBLEM-4

A*A*A*A
  B*B*B
    C*C
      D

Code


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

Output

Enter number of rows :- 4

A*A*A*A
  B*B*B
    C*C
      D

PROBLEM-5

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=num;i>=1;i--)
    {
         for(int space=i;space<num;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%d",k);
             else
             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=num;i>=1;i--)
    {
         for(int space=i;space<num;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*%"<<k;
             else
             cout<<k;
             k++;
      }
        cout<<"\n";
    }
    return 0;
}

Output

Enter number of rows :- 4

1*2*3*4
  5*6*7
    8*9
      10

PROBLEM-6

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=num;i>=1;i--)
    {
         for(int space=i;space<num;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%c",ch);
             else
             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=num;i>=1;i--)
    {
         for(int space=i;space<num;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<ch;
             else
             cout<<ch;
             ch++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

A*B*C*D
  E*F*G
    H*I
      J

PROBLEM-7

      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 space=1;space<=num-i;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%d",j);
             else
             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 space=1;space<=num-i;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<j;
             else
             cout<<j;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

      1
    1*2
  1*2*3
1*2*3*4

PROBLEM-8

      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 space=1;space<=num-i;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%c",ch);
             else
             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 space=1;space<=num-i;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<ch;
             else
             cout<<ch;
             ch++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

      A
    A*B
  A*B*C
A*B*C*D

PROBLEM-9

      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);
      int a=1;
      for(int i=1;i<=num;i++)
    {
         for(int space=1;space<=num-i;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%d",a);
             else
             printf("%d",a);
      }
         a++;
        printf("\n");
    }
    return 0;
}


#include  <iostream>
using namespace std;
int main()
{
      int num,a=1;
      cout<<"enter number of rows : ";
      cin>>num;
      for(int i=1;i<=num;i++)
    {
         for(int space=1;space<=num-i;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<a;
             else
             cout<<a;
      }
         a++;
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

      1
    2*2
  3*3*3
4*4*4*4

PROBLEM-10

      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 space=1;space<=num-i;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%c",ch);
             else
             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 space=1;space<=num-i;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<ch;
             else
             cout<<ch;
      }
         ch++;
        cout<<"\n";
    }
    return 0;
}


Output

      A
    B*B
  C*C*C
D*D*D*D

PROBLEM-11

      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 space=1;space<=num-i;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%d",k);
             else
             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 space=1;space<=num-i;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<k;
             else
             cout<<k;
             k++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

      1
    2*3
  4*5*6
7*8*9*10

PROBLEM-12

      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 space=1;space<=num-i;space++)
             printf("  ");       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             printf("*%c",ch);
             else
             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 space=1;space<=num-i;space++)
             cout<<"  ";       /* double space*/
         for(int j=1;j<=i;j++)
      {
             if(j!=1)
             cout<<"*"<<ch;
             else
             cout<<ch;
             ch++;
      }
        cout<<"\n";
    }
    return 0;
}


Output

Enter number of rows :- 4

      A
    B*C
  D*E*F
G*H*I*J





Recommendation

1. Basic C program.
2. Program based on If - Else
3. Program based on Loops
4. Program based on Conversion
5. Program based on Pattern