C Program to find nth term of the series using recursion

C Program to find nth term of the series using recursion

#include
int get_term(int x);

int main()
{
    int n,p;
    printf("Enter which term do you want?\n");
    scanf("%d",&n);
    p=get_term(n);
    printf("T(%d) = %d\n",n,p);
    return 0;
}

int get_term(int x)
{
    int term;
    if(x==1)
      term=2;
    else
      term= get_term(x-1) + 1;
    return term;
}

C Program to create Diamond of Asterisk (*)

C Program to create Diamond of Asterisk (*)

Diamond Shape in C Language | C Program to create Diamond of Dollar or Asterisk| Using for loop create Asterisk Diamond Shape 

#include
main()
{
    int j,i,k,l;
    char c;
    do
    {
        printf("Enter the number of stars in the base..\n");
        scanf("%d",&k);
        for (i=1;i<=k;i++)
        {
            for(l=0;l<(k-i);l++)
                printf(" ");
            for (j=0;j<i;j++)
                printf ("$ ");
            printf("\n");
        }
        for (i=1;i<=k;i++)
        {
            for(l=0;l<i;l++)
                printf(" ");
            for (j=1;j<=k-i;j++)
                printf ("$ ");
            printf("\n");
        }
        printf("\n Enter y to try more...press any other key exit program...\t");
        c=getchar();
        c=getchar();
    }
    while(c=='y');
} 

C Program to create ABCD triangle

C Program to create ABCD triangle 

Triangle of ABCD in C Language using Loop Control | Triangle of Alphabets in C language |

#include
main()
{
    char z;
    int j,i,k;
    printf("Enter the number of rows..(Between 1 to 26)\n");
    scanf("%d",&k);
    if(k<1||k>26)
    {
        printf("\n The number entered was not in range of 1 to 26\n"); //For Validation
        printf("exiting...\n");
        exit(0);
    }
    //If Proper Input given by user...
    printf("\n\n");
    for (i=1;i<=k;i++)
    {
        z = 'A';
        for (j=0;j<i;j++)
        {    
            printf ("%c  ",z);
            z++;
        }
    printf("\n\n");
    }
}

C++ program to Insert and Delete element of an array

Write a program to Insert and Delete element of an array

C++ program to Insert and Delete element of an array | Add Elements in Given Array | Run time Array Size Input 

    #include
    #include
    void main()
    {
    clrscr();
    int a[100],i,pos,num,item,size;
    cout<<"How many element: ";
    cin>>size;
    cout<<"Enter the elements of array: "<>a[i];
    cout<>num;
    cout<<"Enter position number: ";
    cin>>pos;
    cout<=pos;i--)
    a[i+1]=a[i];
    a[pos]=num;
    size++;
    cout<<"New Array: "<>pos;
    --pos;
    item=a[pos];
    for(i=pos;i

C program to find area of a circle

C++ program to find area of a circle 

Area of Circle in C++ | C Assignment to Find area of Circle | Calculate area of Circle when radius is given as input in C++ language

    #include 
    #include 
    void main()
    {
    clrscr();
    float r,a;
    cout<<"enter radius ";
    cin>>r;
    a=3.14*r*r;
    cout<<"The area is "<

Digital clock in VHDL

Digital clock in VHDL  | VHDL Digital Clock Program 

Program to create digital clock in VHDL, Source Code to create digital clock in VHDL

library ieee;
use ieee.std_logic_1164.all;
use ieee.std_logic_arith.all;
use ieee.std_logic_unsigned.all;

entity digi_clk is
port (clk1 : in std_logic;
      seconds : out std_logic_vector(5 downto 0);
      minutes : out std_logic_vector(5 downto 0);
      hours : out std_logic_vector(4 downto 0)
     );
end digi_clk;

architecture Behavioral of digi_clk is
signal sec,min,hour : integer range 0 to 60 :=0;
signal count : integer :=1;
signal clk : std_logic :='0';
begin
seconds <= conv_std_logic_vector(sec,6);
minutes <= conv_std_logic_vector(min,6);
hours <= conv_std_logic_vector(hour,5);

 --clk generation.For 100 MHz clock this generates 1 Hz clock.
process(clk1)
begin
if(clk1'event and clk1='1') then
count <=count+1;
if(count = 50000000) then
clk <= not clk;
count <=1;
end if;
end if;
end process;

process(clk)   --period of clk is 1 second.
begin

if(clk'event and clk='1') then
sec <= sec+ 1;
if(sec = 59) then
sec<=0;
min <= min + 1;
if(min = 59) then
hour <= hour + 1;
min <= 0;
if(hour = 23) then
hour <= 0;
end if;
end if;
end if;
end if;

end process;

end Behavioral;

C program of Newton Raphson Method

C program of Newton Raphson Method

#include
#include
#include
#include

int bigval,i=0,cnt=0,flag=0;
int coef[10]={0};
float x1=0,x2=0,t=0;
float fx1=0,fdx1=0;

int main()
{

   
    printf("\n\n\t C PROGRAM FOR THE NEWTON RAPHSON METHOD");
    printf("\n\n\n\t PLEASE ENTER THE MAXIMUM POWER OF X = ");
    scanf("%d",&bigval);

    for(i=0;i<=bigval;i++)
    {
        printf("\n\t x^%d = ",i);
        scanf("%d",&coef[i]);
    }

    printf("\n");

    printf("\n\t So, THE POLYNOMIAL IS "= ");
    for(i=bigval;i>=0;i--)/*printing coefficients*/
    {
        printf(" %dx^%d",coef[i],i);
    }

    printf("\n\n\tFirst approximation x1 ----> ");
    scanf("%f",&x1);

 
     printf("\n ITERATION \t x1 \t F(x1) \t \tF'(x1)  ");


    do
    {
            cnt++;
            fx1=fdx1=0;
            for(i=bigval;i>=1;i--)
            {
                fx1+=coef[i] * (pow(x1,i)) ;
            }
            fx1+=coef[0];
            for(i=bigval;i>=0;i--)
            {
                fdx1+=coef[i]* (i*pow(x1,(i-1)));
            }
            t=x2;
            x2=(x1-(fx1/fdx1));

            x1=x2;

            printf("\n\t %d \t%.3f \t %.3f\t\t%.3f ",cnt,x2,fx1,fdx1);

    }
 while((fabs(t - x1))>=0.0001);
    printf("\n\n\n\t AND.... THE ROOT OF EQUATION IS = %f",x2);
    getch();
}

String concatenation in c without using strcat Function

String concatenation in c without using strcat Function 

void stringConcat(char[],char[]); 
int main()
{
char strl[100],str2[100]; 
int compare;
printf("\nEnter first string: \n"); 
scanf("%s",strl);
printf("\nEnter second string: "); 
scanf("%s",str2);

stringConcat(strl,str2);
printf("\nString after concatenation: %s",strl);
return 0; 
}


void  stringConcat(char   strl[],char   str2[])
{ 
int   i=0,j=0;
while(strl[i]!='\0')
{
i++; 
}
while(str2[j] ! = '\0') 
{
strl[i] = str2[j] ;
i++;
j++;
}

strl[i] = ' \0';
}

C Program to convert string into ASCII values

C Program to convert string into ASCII values

 

#include
int main()
{
char str[100]; 
int i=0;
printf("Enter any string: \n"); 
scanf("%s",str);
printf("\nASCII values of each characters of given string: "); 
while(str[i])
printf("%d ",str[i++]);
return 0; 
}

C Program to Calculating Area of Circle using Pointer

C Program to Calculating Area of Circle using Pointer

#include

void areaperi ( int r, float *a, float *p )
{
*a = 3.14 * r * r ;
*p = 2 * 3.14 * r ;
}

void main( )
{
int radius ;
float area, perimeter ;

printf ( "\n Enter radius of a circle " ) ;
scanf ( "%d", &radius ) ;

areaperi ( radius, &area, &perimeter ) ;

printf ( "The Area is = %f", area ) ;
printf ( "\n The Perimeter = %f", perimeter ) ;
}

C Program to Calculate Area of Equilateral Triangle

C Program to Calculate Area of Equilateral Triangle

• Equilateral triangle is a triangle in which all three sides are equal .
   
• All angles are of measure 60 degree
   
• A three-sided regular polygon

#include
#include
#include
void main()
{
int side;
float area,r_4;      // r_4 = root 3 / 4
clrscr();  // Clear Screen

r_4 = sqrt(3) / 4 ;

printf("\n Please Enter the Length of Side : "); 
scanf("%d",&side); 

area = r_4 * side * side ;

printf("\n The Area of Equilateral Triangle : %f",area);
getch();
}

C Program To find equivalent capacitance of series combination of capacitive circuit

C Program To find equivalent capacitance of series combination of capacitive circuit

#include
#include

void main()
{
float c[10],num,Cs=0;
int i;
clrscr();

printf("Enter the number of Capacitors : ");
scanf("%f",&num);

printf("\nEnter Value of Each Capacitor : \n");
for(i=0;i<num;i++)
   {
   printf("\nC%d : ",i+1);
   scanf("%f",&c[i]);
   }

for(i=0;i<num;i++)
   {
   Cs = Cs + (1.0/c[i]);
   }
   Cs = 1.0 / Cs;

printf("\nEquivalent Series Capacitance : %f mFarad",Cs);

getch();
}

C Program to Calculate Area of Rectangle

C Program to Calculate Area of Rectangle

#include
#include

void main()
{
int length,breadth,side;
clrscr();  // Clear Screen

printf("\n Enter the Length of Rectangle : "); 
scanf("%d",&length); 

printf("\n Enter the Breadth of Rectangle : "); 
scanf("%d",&breadth); 

area = length * breadth;

printf("\n Area of Rectangle : %d",area);
getch();
}

C program to find Hexadecimal equivalent using pointer

C program to find Hexadecimal equivalent using pointer

#include < stdio.h >
#include < conio.h > 
#include < alloc.h>

void main()
{
 int num,rem[20],*ptr;
 clrscr();
 printf("\nEnter number:");
 scanf("%d",&num);
 ptr=rem;
 while(num!=0)
 {
  *ptr=num%16;
  num=num/16;
  ptr++;
 }
 ptr--;
 while(ptr>=rem)
 {
  if(*ptr < 10)
   printf("%d",*ptr);
  else
   printf("%c",*ptr+55);
   ptr--;
 }
}

C Program to Check whether given string is palindrome or not

C Program to Check whether given string is palindrome or not

If we reverse of any string is equivalent to the original string then it is called palindrome String. 

#include < stdio.h >
#include < conio.h > 

int palin(char str[],int i,int j);
void main()
{
 char str[100];
 int i,j,reply; 
 clrscr();
 printf("\n Enter a string \n");
 gets(str);
 j = 0;
 while ( str[j] != '\0')
 {
  j++;
 } // while
 j--;
 i=0;
 reply = palin(str,i,j);
 if( reply == 0 )
  printf("\n %s is not palindrome",str);
 else
  printf("\n %s is palindrome",str);
}

int palin(char str[],int i,int j)
{
 if (i < j )
 {
  if ( str[i] != str[j])
   return(0);
  else
   return(palin(str,i+1,j-1));
 }
 else
  return(1);
} 

C Program to Convert binary number to decimal

C Program to Convert binary number to decimal 

binary number to decimal number conversion in C, C assignment to convert Binary to Decimal, Number convention in C language.

#include < stdio.h >
#include < conio.h > 

void main()
{
 long n,dec,mult,r,base; 
 clrscr();
 printf("\n Enter a base : ");
 scanf("%ld",&base);
 printf("\n Enter a number :");
 scanf("%ld",&n); 
 dec = 0;
 mult=1;
 printf("\n Decimal equivalent of base %ld number %ld is ",base,n);
 while ( n != 0 )
 {
  r = n % 10;
  n /= 10;
  r = r * mult;
  dec = dec + r;
  mult *= base;
 } // while
 printf("%ld",dec);
}

 

C Program to Reverse number using pointer initialization

C Program to Reverse number using pointer initialization

#include < stdio.h >
#include < conio.h > 
#include < alloc.h >

void main()
{
    long *np,*revp,n,rev,*np1,n1;
    clrscr();
    np=&n;
    revp=&rev;
    np1=&n1;
    printf("\nEnter value for n:");
    scanf("%ld",np);
    *revp=0;
    *np1=*np;
    while(*np!=0)
    {
        *revp=*revp*10+(*np%10);
        *np=*np/10;
    }
    printf("\n Reverse of %ld is %ld",*np1,*revp);
}

C program to Find the GCD (Greatest Common Divisor) of two numbers

C program to Find the GCD (Greatest Common Divisor) of two numbers

GCD of Numbers in C, C Assignment to find GCD in C, C Language program to find GCD

#include < stdio.h >
#include < conio.h > 

void main()
{
    int x,y;
    clrscr();
    printf("\nEnter two numbers :");
    scanf("%d %d",&x,&y);
    if(x==0 && y==0)
    printf("\n No GCD");
    else
    if(x==0 && y!=0)
    printf("GCD is %d",y);
    else
    if(x!=0 && y==0)
    printf("GCD is %d",x);
    else
    {
   while(x!=y)
  {
   if(x>y)
   x=x-y;
   else
   if(x < y)
   y=y-x;
  }
  printf("\n GCD is %d",x);
    }
}

C Program to Find the maximum element of array

C Program to Find the maximum element of array | C Program to find largest element from array | Program to Find highest value from given array in C language

#include < stdio.h >
#include < conio.h > 

void main()
{
 int a[100],max,i,n;
 clrscr();
 printf("Enter the size of an array\n");
 scanf("%d",&n);
 printf("Enter the elements %d for array\n", n);
 for(i=0;i < n;i++)
 {
  scanf("%d",&a[i]);
 }
 max=a[0];
 for(i=0;i < n;i++)
 {
  if(a[i]>max)
  {
   max=a[i];
  } 
 }
 printf("The max of the given array is %d",max);
 getch();
}

C Program to calculate sum of diagonal elements of a matrix

C Program to calculate sum of diagonal elements of a matrix | C Program to add Numbers diagonally | Diagonally add Elements of array in C

#include < stdio.h >
#include < conio.h > 

void main()
{
 int a[10][10],i,j,sum=0,r,c;
 clrscr();
 printf("\n Enter the number of rows and column ");
 scanf("%d%d",&r,&c);
 printf("\nEnter the %dX%d matrix",r,c);
 for(i=0;i < r;i++)
 {
  for(j=0;j<c;j++)
  {
   scanf("%d",&a[i][j]);
  }//for
 }//for
 for(i=0;i <r;i++)
 {
  for(j=0;j < c;j++)
  {
   if(i==j)
   {
    sum+=a[i][j];
   }
  }//for
 }//for
 printf("\nThe sum of diagonal elements is %d",sum);
}

C program to add value in Spiral matrix Format

C program to add value in Spiral matrix Format

#include < stdio.h >
#include < conio.h > 

void main()
{
 int m[20][20],i,j;
 int p,q,r,hr,r,c,cnt; 
 clrscr();
 printf("\nEnter r & c :");
 scanf("%d %d",&r,&c);
 cnt = 1;
 r = 0; p = 0;
 hr = r - 1;
 q = c - 1;
 while ( r <=hr && p <= q )
 {
  i = r;
  for(j=p;j <= q;j++)
  {
   m[i][j] = cnt++; 
   j = q;
   for(i=r+1;i<=hr;i++)
   {
    m[i][j] = cnt++; 
    if( r != hr )
    {
     i = hr;
     for(j=q-1;j>=p;j--)
     m[i][j] = cnt++;
    } 
    if ( p != q )
    {
     j = p;
     for(i=hr-1;i>r;i--)
     m[i][j] = cnt++;
    }
   }
  }
  r++;p++;
  hr--;q--;
 } 
 printf("\nSpirally filled matrix is\n");
 for(i=0;i < r;i++)
 {
  for(j=0;j<c;j++)
  {
   printf("%4d",m[i][j]);
   printf("\n");
  }  
 }

C Program to Check perfect number

C Program to Check perfect number

#include < stdio.h >
#include < conio.h > 

void main()
{
 int n,d,tot;
 
 clrscr();
 printf("\n Enter value for n : ");
 scanf("%d",&n);
 tot = 0;
 
 d = 1;
 while ( d<= n/2)
 {
  if ( n % d == 0 )
  {
   tot = tot + d;
  }
  d++;
 } // while
 if ( tot == n )
 {
  printf("\n Yes... %d is perfect",n);
 }
 else
 {
  printf("\n Ohhhh... %d is not perfect",n);
 }
} 

C program for multiplication of two mXn matrix

C program for multiplication of two mXn matrix

multiplication of Matrix in C, C assignment to multiplication of matix M x N in C, C assignment to solve multiplication of matrix.

#include
#include
#define ROW 20
#define COL 20
void main()
{
int a[ROW][COL],b[ROW][COL],c[ROW][COL];
int i=0,j=0,k,sum=0,m,n;
clrscr();
printf("\n enter the value for m\n");
scanf("%d",&m);
printf("\n enter the  value for n\n");
scanf("%d",&n);
printf("\n enter the matrix A elements ");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",&a[i][j]);
}
}
printf("\n  the matrix A elements ");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
printf("%d",a[i][j]);
}
printf("\n");
}
printf("\n enter the matrix B elements ");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
scanf("%d",&b[i][j]);
}
}
printf("\n  the matrix B elements ");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
printf("%d",b[i][j]);
}
printf("\n");
}
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
sum=0;
for(k=0;k<n;k++)
sum=sum+a[i][k]*b[k][j];
c[i][j]=sum;
}
}
printf("\n the product of matrices is as follows \n");
for(i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
printf("\t%d",c[i][j]);
}
printf("\n");
}
getch();
}

C Program to Calculate the volume and area of cube

C Program to Calculate the volume and area of cube

#include
main()
{
float side,surfacearea,volume;
clrscr();
printf("\n Please enter the side of cube...\n ");
scanf("%f",&side);
surfacearea=6*side*side;
volume=side*side*side;
printf("\n The surface area of cube=%f",surfacearea);
printf("\n The volume of cube=%f",volume);
getch();
}

c program to calculate the length of the string without using library function

c program to calculate the length of the string without using library function

#include
#include
void main()
{
int i=0,cnt=0;
char str[50];
clrscr();
printf("\n Enter Any string=");
gets(str);
while(str[i]!=NULL)
{
i++;
}
printf("\n length of string is =%d",i);
getch();
}

write a C program to display Fibonacci series upto n terms

write a C program to display Fibonacci series upto n terms

Fibonacci series in C++ language | C++ Program to print Fibonacci series | Fibonacci series upto n numbers, Fibonacci series upto given number in C++

    #include
    #include
    void main()
    {
    clrscr();
    int a=0,b=1,c=0,n;
    cout<<"Enter the number of terms you wanna see: ";
    cin>>n;
    cout<<a<<" "<<b<<" ";
    for(int i=1;i<=n-2;i++)
    {
    c=a+b;
    a=b;
    b=c;
    cout<<c<<" ";
    }
    getch();
    }