WAP TO FIND OUT QUARDRATIC EQUATION (D=B2-4AC)

/*****<soeasyprograms.blogspot.in>*****/

void main ()

{

int a,b,c,d;

clrscr ();

printf ("Enter A: ");

scanf ("%d",&a);

printf ("Enter B: ");

scanf ("%d",&b);

printf ("Enter C: ");

scanf ("%d",&c);

d= (b*b)-(4*a*c);

printf ("\nAnswer is %d",d);

getch ();

}

Print Armstrong numbers Less Than 1000

  /*****<soeasyprograms.blogspot.in>*****/
  #include<stdio.h>
  #include<conio.h>
  void main()
   {
    int q,a,b,c,z,x,n=1;
    clrscr();
    printf("  OUTPUT :");
    while(n<1000)
{
a=n%10;
q=n/10;
b=q%10;
c=q/10;
z=((c*100)+(b*10)+a);
x=(a*a*a)+(b*b*b)+(c*c*c);
if(x==z)
printf("\n\t%d",n);
n++;
}
    getch();
   }

Decimal to Binary Conversion

/*****<soeasyprograms.blogspot.in>*****/#include<stdio.h>
#include<conio.h>
#include<math.h>
void main()
{
int no,r,sum=0,i=0;
clrscr();
printf(“\nenter the number\n”);
scanf(“%d”,&no);
while(no>0)
{
r=no%2;
sum=sum+pow(10,i)*r;
no=no/2;
i++;
}
printf(“\nthe binary value is %d”,sum);
getch();
}



Output:
enter the number
8
the binary value is 1000

Print all permutations of a given string

/******<soeasyprograms.blogspot.in>*****/

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

/* Function to swap values at two pointers */
void swap (char *x, char *y)
{
    char temp;
    temp = *x;
    *x = *y;
    *y = temp;
}

/* Function to print permutations of string
   This function takes three parameters:
   1. String
   2. Starting index of the string
   3. Ending index of the string. */
void permute(char *a, int i, int n)
{
   int j;
   if (i == n)
     printf("%s\n", a);
   else
   {
        for (j = i; j <= n; j++)
       {
          swap((a+i), (a+j));
          permute(a, i+1, n);
          swap((a+i), (a+j)); //backtrack
       }
   }
}

/* Driver program to test above functions */
int main()
{
   char a[] = "ABC";
   permute(a, 0, 2);
   getchar();
   return 0;
}

Bubble sort in string array

/******<soeasyprograms.blogspot.in>*****/

#include <stdio.h>
#include <conio.h>
#include <string.h>
#define MAX 50
#define N 2000
void sort_words(char *x[], int y);
void swap(char **, char **);
int main(void)
{
char word[MAX];
char *x[N];
int n = 0;
int i = 0;
for(i = 0; scanf("%s", word) == 1; ++i)
{
if(i >= N)
printf("Limit reached: %d\n", N), exit(1);
x[i] = calloc(strlen(word)+1, sizeof(char));
strcpy(x[i], word);
}
n = i;
sort_words(x, n);
for(i = 0; i < n; ++i)
printf("%s\n", x[i]);
return(0);
}
void sort_words(char *x[], int y)
{
int i = 0;
int j = 0;
for(i = 0; i < y; ++i)
for(j = i + 1; j < y; ++j)
if(strcmp(x[i], x[j]) > 0)
swap(&x[i], &x[j]);
}
void swap(char **p, char **q)
{
char *tmp;
tmp = *p;
*p = *q;
*q = tmp;
}

Concatenate Two Strings

/*****<soeasyprograms.blogspot.in>*****/ 

  #include<stdio.h>

  #include<conio.h>

  #include<string.h>

   void main()

    {

     char c[100];

     char a[50];

     char b[50];

     clrscr();

     printf("Enter a string1:");

     gets(a);

     printf("Enter a string2:");

     gets(b);

     strcat( a,b);

     printf("%s",a);

     getch();

    }

Count no. of students above,below and average students

/******<soeasyprograms.blogspot.in>*****/

 #include<stdio.h>
  #include<conio.h>
   void main()
    {
     int a[10];
     int aa=0,ba=0,ae=0,i;
     clrscr();
     printf("Enter the marks:\n");
     for(i=0;i<10;i++)
       {
scanf("%d",&a[i]);
if(a[i]>55)
aa++;
else if(a[i]<55)
ba++;
else
ae++;
       }
     printf("No. OF AVG STUDENTS ARE:%d\n",ae);
     printf("No. OF ABOVE AVERAGE STUDENTS:%d\n",aa);
     printf("No. OF BELOW AVERAGE STUDENTS ARE:%d",ba);
    getch();
   }

WAP to count occurrences of values in an array

/*********<soeasyprograms.blogspot.in>***********/
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
void print_arr(int grades[], int elements);

int count_passes(int grades[], int elements,int value);




int main(void)

{

int grades[10] = {70,80,95,65,35,85,54,78,45,68};

int result;

print_arr(grades,10);

result = count_passes(grades,10,70);

if(result == 1)

printf("There was %d pass.\n",result);

else

printf("There were %d passes.\n",result);

return 0;

}




void print_arr(int grades[], int elements)

{

int i;




for(i = 0;i < elements;i++)

{

printf("%d ",grades[i]);

}

printf("\n");

}




int count_passes(int grades[], int elements,int value)

{

int i ,passes = 0 ;

for(i = 0;i < elements;i++)

{

if(grades[i] >= value)

passes++;

}

return(passes);

}

WAP convert a Roman numeral to its decimal equivalent

/*********<soeasyprograms.blogspot.in>***********/ 
#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>


void main()
{
int *a,len,i,j,k;  
char *rom;


clrscr();


printf("Enter the Roman Numeral:");


scanf("%s",rom);


len=strlen(rom);


for(i=0;i<len;i++)


{


if(rom[i]=='I')


a[i]=1;


else if(rom[i]=='V')


a[i]=5;


else if(rom[i]=='X')


a[i]=10;


else if(rom[i]=='L')


a[i]=50;


else if(rom[i]=='C')


a[i]=100;


else if(rom[i]=='D')


a[i]=500;


else if(rom[i]=='M')


a[i]=1000;


else


{


printf("\nInvalid Value");


getch();


exit(0);


}


}


k=a[len-1];


for(i=len-1;i>0;i--)


{


if(a[i]>a[i-1])


k=k-a[i-1];


else if(a[i]==a[i-1] || a[i]<a[i-1])


k=k+a[i-1];


}


printf("\nIts Decimal Equivalent is:");


printf("%d",k);


getch();

}

Decimal to Binary Conversion

/*********<soeasyprograms.blogspot.in>***********/  
#include<stdio.h>

#include<conio.h>

#include<math.h>

void main()
{
int no,r,sum=0,i=0;
clrscr();
printf(“\nenter the number\n”);
scanf(“%d”,&no);
while(no>0)
{
r=no%2;
sum=sum+pow(10,i)*r;
no=no/2;
i++;
}
printf(“\nthe binary value is %d”,sum);
getch();
}


Output:
enter the number
8 the binary value is 100

WAP to print numbers from 1-50 which are divided by 7

/*********<soeasyprograms.blogspot.in>***********/



void main ()

{

int a;

clrscr ();

a=1;

while (a<=50)

{

if (a%7==0)

printf ("%d\n",a);

a++;

}

getch ();
}

Greatest of two Numbers - Conditional Operator

/*******<soeasyprograms.blogspot.in>********/
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf(“enter the 2 numbers”);
scanf(“%d%d”,&a,&b);
(a>b?printf(“a is greater”):printf(“b is greater”));
getch();
}


Output:
enter the two numbers
6
3 a is greater

A simple example showing some comparison operators

/*******<soeasyprograms.blogspot.in>********/
#include<stdio.h>
#include<conio.h>
int main()
{
int number1 , number2;
printf("Enter the number1 number to compare.\n");
scanf("%d",&number1);
printf("Enter the number2 number to compare.\n");
scanf("%d",&number2);
printf("number1 > number2 has the value %d\n", number1 > number2);
printf("number1 < number2 has the value %d\n", number1 < number2);
printf("number1 == number2 has the value %d\n", number1 == number2);
return 0;
}

Calculate Electric Energy Bill

/*****<soeasyprograms.blogspot.in>*****/
#include<stdio.h>
#include<conio.h>
void main()
{
float r,a=2.5,b=3.5,c=1.5;
clrscr();
printf(“enter the readings\n”);
scanf(“%f”,&r);
if(r>=200)
printf(“rupees=%f”,r*b);
else if((r>=100)&&(r<200))
printf(“rupees=%f”,r*a);
else
printf(“rupees=%f”,r*c);
getch();
}

Output:
enter the readings
140
rupees=350 

Construct Pyramid of Numbers

/*****<soeasyprograms.blogspot.in>*****/

/* Write a C program to construct a pyramid of numbers. */

#include<stdio.h>

#include<conio.h>

void main()

{

 int num,i,y,x=35;

 clrscr();

 printf("\nEnter the number to generate the pyramid:\n");

 scanf("%d",&num);

 for(y=0;y<=num;y++)

 {

  /*(x-coordinate,y-coordinate)*/

  gotoxy(x,y+1);

  /*for displaying digits towards the left and right of zero*/

  for(i=0-y;i<=y;i++)

  printf("%3d",abs(i));

  x=x-3;

 }

 getch();

}

ARRANGE THE ELEMENTS IN ARRAY IN DESSENDING ORDER

/*****<soeasyprograms.blogspot.in>*****/

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

main()
{
int a[100],i,n,j,search,temp;
printf("\n how many no's in array");
scanf("%d",&n);
printf("\n enter %d elements in array",n);
for(i=0;i
scanf("%d",&a[i]);
for(i=0;i
{
for(j=i+1;j
{
if(a[i]
{
temp=a[i];
a[i]=a[j];
a[j]=temp;
}
}
printf("%4d",a[i]);
}
getch();
} 

Whether the given no. Is palindrome or not

/*****<soeasyprograms.blogspot.in>*****/

  #include<stdio.h>

  #include<conio.h>
  void main()
  {
   int n,r,t,sum=0;
   clrscr();
   printf("    OUTPUT:\n");
   printf("\tEnter a no.");
   scanf("%d",&n);
   t=n;
   while(n!=0)
{
r=n%10;
sum=sum*10+r;
n=n/10;
}
   if(sum==t)
   printf("\tThe no. %d is a pallindrome",t);
   else
   printf("\tThe no. %d is not a pallindrome",t);
   getch();
  }



Output of this Program is:
Dont forget to give any Suggestion or Comments

Whether the given no. is armstrong or not

/*****<soeasyprograms.blogspot.in>*****/
  #include<stdio.h>
  #include<conio.h>
  void main()
   {
    int n,r,t,sum=0;
    clrscr();
    printf("  OUTPUT :\n");
    printf("\tEnter a no.");
    scanf("%d",&n);
    t=n;
    while(n!=0)
{
r=n%10;
sum=sum+r*r*r;
n=n/10;
}
   if(sum==t)
   printf("The no. %d is armstrong",t);
   else
   printf("The no. %d is not an armstrong",t);
   getch();
  }



Output of this Program is:
Dont forget to give any Suggestion or Comments

Program in C to Concatenation of two Strings

/*****<soeasyprograms.blogspot.in>*****/
  #include<stdio.h>
  #include<conio.h>
  #include<string.h>
   void main()
    {
     char c[100];
     char a[50];
     char b[50];
     clrscr();
     printf("Enter a string1:");
     gets(a);
     printf("Enter a string2:");
     gets(b);
     strcat( a,b);
     printf("%s",a);
     getch();
    }


Output of this Program is:
Dont forget to give comments

Write a program to check whether the year is leap or not

/*****<soeasyprograms.blogspot.in>*****/
#include <iostream.h>
#include <conio.h>
void main ()
{
int y;
clrscr ();
cout <<"Enter Year: ";
cin >>y;
if (y%4==0)
{
cout <<"Year is Leap";
}
else
{
cout <<"Year is not Leap";
}
getch ();
}


Output of this program is:
Dont forget to give comments