For Loop – Pattern Programming – Theory and Programs [Learn to code]

What is pattern programming? Learn how to create different patterns using for loop.

  • 034. Write a program to print following outputs in C language
    * * * * * *
    * * * * * *
    * * * * * *
    * * * * * *
    * * * * * *
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=1;i<=n;i++)
    	{
    		for(j=1;j<=n;j++)
    			{
    			 printf("*");
    			}
    		printf("n");
    	}
    	getch();
    }
  • 035. Write a program to print following outputs in C language
    *
    * *
    * * *
    * * * *
    * * * * *
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=1;i<=n;i++)
    	{
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		printf("n");
    	}
    	getch();
    }
  • 036. Write a program to print following outputs in C language
    * * * * *
    * * * *
    * * *
    * *
    *
    
    #include<stdio.h> 
    #include<conio.h>
    main()
    {
    	int i,j,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=n;i>=1;i--)
    	{
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		printf("n");
    	}
    	getch();
    }
  • 037. Write a program to print following outputs in C language
    * * * * *
      * * * *
        * * *
          * *
            *
    
    #include<stdio.h> 
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=1;i<=n;i++)
    	{
    		for(k=1;k<i;k++)
    			{
    			 printf(" ");
    			}
    		for(j=i;j<=n;j++)
    			{
    			 printf("*");
    			}
    		printf("n");
    	}
    	getch();
    }
  • 038. Write a program to print following outputs in C language
            *
          * *
        * * *
      * * * *
    * * * * *
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=n;i>=1;i--)
    	{
    		for(k=1;k<=(n-i);k++)
    			{
    			 printf(" ");
    			}
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		printf("n");
    	}
    	getch();
    }
  • 039. Write a program to print following outputs in C language
            *
          * * *
        * * * * *
      * * * * * * *
    * * * * * * * * *
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=1;i<=n;i++)
    	{
    		for(k=1;k<=(n-i);k++)
    			{
    			 printf(" ");
    			}
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		for(j=2;j<=i;j++)
    			{
    			 printf("*");
    			}
     
    		printf("n");
    	}
    	getch();
    }
  • 040. Write a program to print following outputs in C language
    * * * * * * * * *
      * * * * * * *
        * * * * *
          * * *   
            *
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=n;i>=1;i--)
    	{
    		for(k=1;k<=(n-i);k++)
    			{
    			 printf(" ");
    			}
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		for(j=2;j<=i;j++)
    			{
    			 printf("*");
    	}
     
    		printf("n");
    	}
    	getch();
    }
  • 041. Write a program to print following outputs in C language
            *
          * * *
        * * * * *
      * * * * * * *
    * * * * * * * * *
      * * * * * * *
        * * * * *
          * * *   
            *
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
     
    	for(i=1;i<=n;i++)
    	{
    		for(k=1;k<=(n-i);k++)
    			{
    			 printf(" ");
    			}
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		for(j=2;j<=i;j++)
    			{
    			 printf("*");
    			}
     
    		printf("n");
    	}
     
    	for(i=n-1;i>=1;i--)
    	{
    		for(k=1;k<=(n-i);k++)
    			{
    			 printf(" ");
    			}
    		for(j=1;j<=i;j++)
    			{
    			 printf("*");
    			}
    		for(j=2;j<=i;j++)
    			{
    			 printf("*");
    			}
     
    		printf("n");
    }
    	getch();
    }
  • 042. Write a program to print following outputs in C language
    1
    12
    123
    1234
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=1;i<=n;i++)
    	{
    		for(j=1;j<=i;j++)
    			printf("%d",j);			
    		printf("n");
    	}
    	getch();
    }
  • 043. Write a program to print following outputs in C language
    1
    22
    333
    4444
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	for(i=1;i<=n;i++)
    	{
    		for(j=1;j<=i;j++)
    			printf("%d",i);
    		printf("n");
    	}
    	getch();
    }
  • 044. Write a program to print following outputs in C language
       A
      BBB
     CCCCC
    DDDDDDD
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,k,n;
    	clrscr();
    	printf("Enter number : ");
    	scanf("%d",&n);
    	//ASCII Code for 'A' is 65
    	for(i=1;i<=n;i++)
    	{
    		for(k=1;k<=(n-i);k++)
    			{
    			 printf(" ");
    			}
    		for(j=1;j<=i;j++)
    			{
    			 printf("%c",64+i);
    			}
    		for(j=2;j<=i;j++)
    			{
    			 printf("%c",64+i);
    			}
     
    		printf("n");
    	}
    	getch();
    }
  • 045. Write a program to print following outputs in C language
    ABCDEEDCBA
    ABCD  DCBA
    ABC    CBA
    AB      BA
    A        A
    
    #include<stdio.h>
    #include<conio.h>
    main()
    {
      int i,n,j,k;
      clrscr();
      printf("Enter number........");
      scanf("%d",&n);
      for(i=n-1;i>=0;i--)
      {
    		for(j=0;j<=i;j++)
    			printf("%c",65+j);
    		for(k=1;k<(n-i);k++)
    			printf("  ");
    		for(j=i;j>=0;j--)
    			printf("%c",65+j);
    	printf("n");
      }
      getch();
    }
  • 046. Write a program to print following outputs in C language
    1
    11
    121
    1231
    12341
    123451
    
     
    #include<stdio.h>
    #include<conio.h>
    main()
    {
    	int i,j,n;
    	clrscr();
    	printf("Enter number...");
    	scanf("%d",&n);
    	for(i=0;i<=n;i++)
    	{
    		for(j=1;j<=i;j++)
    		{
    			printf("%d",j);
    		}
    		printf("1n");
    	}
    	getch();
    }

046. Write a program to print following outputs in C language

1
11
121
1231
12341
123451
 
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,n;
	clrscr();
	printf("Enter number...");
	scanf("%d",&n);
	for(i=0;i<=n;i++)
	{
		for(j=1;j<=i;j++)
		{
			printf("%d",j);
		}
		printf("1\n");
	}
	getch();
}

045. Write a program to print following outputs in C language

ABCDEEDCBA
ABCD  DCBA
ABC    CBA
AB      BA
A        A
#include<stdio.h>
#include<conio.h>
main()
{
  int i,n,j,k;
  clrscr();
  printf("Enter number........");
  scanf("%d",&n);
  for(i=n-1;i>=0;i--)
  {
		for(j=0;j<=i;j++)
			printf("%c",65+j);
		for(k=1;k<(n-i);k++)
			printf("  ");
		for(j=i;j>=0;j--)
			printf("%c",65+j);
	printf("\n");
  }
  getch();
}

044. Write a program to print following outputs in C language

   A
  BBB
 CCCCC
DDDDDDD
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
	//ASCII Code for 'A' is 65
	for(i=1;i<=n;i++)
	{
		for(k=1;k<=(n-i);k++)
			{
			 printf(" ");
			}
		for(j=1;j<=i;j++)
			{
			 printf("%c",64+i);
			}
		for(j=2;j<=i;j++)
			{
			 printf("%c",64+i);
			}
 
		printf("\n");
	}
	getch();
}

043. Write a program to print following outputs in C language

1
22
333
4444
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=i;j++)
			printf("%d",i);
		printf("\n");
	}
	getch();
}

042. Write a program to print following outputs in C language

1
12
123
1234
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		for(j=1;j<=i;j++)
			printf("%d",j);			
		printf("\n");
	}
	getch();
}

041. Write a program to print following outputs in C language

        *
      * * *
    * * * * *
  * * * * * * *
* * * * * * * * *
  * * * * * * *
    * * * * *
      * * *   
        *
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
 
	for(i=1;i<=n;i++)
	{
		for(k=1;k<=(n-i);k++)
			{
			 printf(" ");
			}
		for(j=1;j<=i;j++)
			{
			 printf("*");
			}
		for(j=2;j<=i;j++)
			{
			 printf("*");
			}
 
		printf("\n");
	}
 
	for(i=n-1;i>=1;i--)
	{
		for(k=1;k<=(n-i);k++)
			{
			 printf(" ");
			}
		for(j=1;j<=i;j++)
			{
			 printf("*");
			}
		for(j=2;j<=i;j++)
			{
			 printf("*");
			}
 
		printf("\n");
}
	getch();
}

040. Write a program to print following outputs in C language

* * * * * * * * *
  * * * * * * *
    * * * * *
      * * *   
        *
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
	for(i=n;i>=1;i--)
	{
		for(k=1;k<=(n-i);k++)
			{
			 printf(" ");
			}
		for(j=1;j<=i;j++)
			{
			 printf("*");
			}
		for(j=2;j<=i;j++)
			{
			 printf("*");
	}
 
		printf("\n");
	}
	getch();
}

039. Write a program to print following outputs in C language

        *
      * * *
    * * * * *
  * * * * * * *
* * * * * * * * *
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
	for(i=1;i<=n;i++)
	{
		for(k=1;k<=(n-i);k++)
			{
			 printf(" ");
			}
		for(j=1;j<=i;j++)
			{
			 printf("*");
			}
		for(j=2;j<=i;j++)
			{
			 printf("*");
			}
 
		printf("\n");
	}
	getch();
}

038. Write a program to print following outputs in C language

        *
      * *
    * * *
  * * * *
* * * * *
#include<stdio.h>
#include<conio.h>
main()
{
	int i,j,k,n;
	clrscr();
	printf("Enter number : ");
	scanf("%d",&n);
	for(i=n;i>=1;i--)
	{
		for(k=1;k<=(n-i);k++)
			{
			 printf(" ");
			}
		for(j=1;j<=i;j++)
			{
			 printf("*");
			}
		printf("\n");
	}
	getch();
}