For Loop – Advance Programs – Programs [Learn to code]

Learn programming logic to write advanced programs on for loop.

• 047. Write a program to accept a number from user and print it’s factorial in C language

  Eg: factorial of 5 is:-
  5! = 5 * 4 * 3 * 2 * 1=120

  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int i,fact=1,n;
  	clrscr();
  	printf("Enter number...");
  	scanf("%d",&n);
  	for(i=1;i<=n;i++)
  		fact=fact*i;
  	printf("facttorialof the given number is...%d",fact);
  	getch();
  
  }
  

• 048. Write a program to accept a number from user and print if it is prime or not in C language

  #include<conio.h>  
  #include<process.h>
  main()
  {
  	int i,n;
  	clrscr();
  	printf("Enter number...");
  	scanf("%d",&n);
  	for(i=2;i<=n/2;i++)
  	{
  		if(n%i==0)
  		{
  		printf("Not Prime");
  		getch();
  		exit(0);
  		}
  	}
  	printf("Prime ");
  	getch();
  }
  
  
  

• 049. Write a program to accept a number and print prime numbers between 2 and n in C language

  
  #include<stdio.h>
  #include<conio.h>  
  #include<process.h>
  main()
  {
  	int i,flag=1,n,newn;
  	clrscr();
  	printf("Enter number...");
  	scanf("%d",&n);
  	for(newn=2;newn<=n;newn++)
  	{
  		flag=1;
  		for(i=2;i<=newn/2 ;i++)
  		{
  			if(newn%i==0)
  			{
  			flag=0;
  			break;
  			}
  		}
  		if(flag==1)
  			printf("%d ",newn);
  	}
  	getch();
  }
  
  

• 050. Write a program to accept a number and print fibonacci series upto that level in C language

  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int pre=1,cur=1,temp,i,n;
          clrscr();
  	printf("Enter number...");
  	scanf("%d",&n);
  	printf("%d\t%d",pre,cur);
  	for(i=3;i<=n;i++)
  		{
  		 temp=cur;
  		 cur=pre+cur;
  		 pre=temp;
  		 printf("\t%d",cur);
  		}
  	getch();
  }
  
  
  

• 051. Write a program to print digits, alphabets in capital and lower case in C language

  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int i;
  	clrscr();
  	for(i=65;i<=90;i++)
  		  printf("%c  ",i);
  
  	printf("\n\n\n\n");
  	for(i=97;i<=122;i++)
  		  printf("%c  ",i);
  
  	printf("\n\n\n\n");
  	for(i=48;i<=57;i++)
  		  printf("%c\t",i);
  
  	getch();
  }
  
  
  

• 052. Write a program to accept a number n from user and Add n terms of the series in C language

  1/2! + 2/3! + 3/4! + 4/5! + 5/6! + ………

  
  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int i,j,n;
  	float sum=0,fact=1;
  	clrscr();
  	printf("Enter number....");
  	scanf("%d",&n);
  	for(i=1;i<=n;i++)
  	{
  		fact=1;
  		for(j=1;j<=i+1;j++)
  			fact=fact*j;
  	sum=sum+i/fact;
  	}
  	printf("Sum of the series....%f",sum);
  	getch();
  }
  
  
  
  

• 053. Write a program to read n numbers (Xi) from the user and print out their average and standard deviation. Formulae are

  Average = (Sum of Xi)/n

  
  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int n,i,newn,sum_avg=0;
  	float avg;
  	clrscr();
  	printf("Enter number : ");
  	scanf("%d",&n);
  	printf("Enter numbers...");
  	for(i=1;i<=n;i++)
  	{
  		scanf("%d",&newn);
  		sum_avg=sum_avg+newn;
  	}
  	avg=sum_avg/(float)n; //Type casting.
  
  	printf("\nAverage = %f",avg);
  	getch();
  }
  

• 054. Write a program to print out ASCII chart on a single screen (all 256 characters from 0 to 255) in a tabular form. The ASCII code should be followed by the corresponding character in C language

  
  #include<stdio.h>
  #include<conio.h>  
  main()
  {
   int i;
   clrscr();
   for(i=0;i<=255;i++)
  	printf("%d-%c\t",i,i);
   getch();
  }
  
  
  

• 055. Write a program to print following output

  ******************************* 
  *                             *
  *                             *  
  *                             *
  *******************************
  

  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int i,j;
  	clrscr();
  	for(i=1;i<=80;i++)
  		printf("*");
  	for(i=2;i<=23;i++)
  	{
  		printf("*");
  		for(j=2;j<=79;j++)
  			printf(" ");
  		printf("*");
  	}
  	for(i=1;i<=80;i++)
  		printf("*");
  
  	getch();
  
  }
  
  
  

• 056. Write a program to print following output

  #include<stdio.h>
  #include<conio.h>  
  main()
  {
          int i, j;
          clrscr();
          printf("╔");
          for(i=2;i<=79;i++)
                  printf("═");
          printf("╗");
          for(i=2;i<=24;i++)
          {
                  printf("║");
                  for(j=2;j<=79;j++)
                          printf(" ");
                  printf("║");
          }
          printf("╚");
          for(i=2;i<=79;i++)
                  printf("═");
          printf("╝");
   
          getch();
  }
  

• 057. Write a program to accept a single value interger from user and print that integer in words in C language

  #include<stdio.h>
  #include<conio.h>  
  main()
  {
  	int n;
  	clrscr();
  	printf("Enter number...");
  	scanf("%1d",&n);  //%1d to scan single integer
  	switch(n)
  	{
  		case 0 : printf("Zero");break;
  		case 1 : printf("One");break;
  		case 2 : printf("Two");break;
  		case 3 : printf("Three");break;
  		case 4 : printf("Four");break;
  		case 5 : printf("Five");break;
  		case 6 : printf("Six");break;
  		case 7 : printf("Seven ");break;
  		case 8 : printf("Eigth ");break;
  		case 9 : printf("Nine ");break;
  	}
  	getch();
  }