SIRISHA SANAPATHI

9.4.20

finding the string which occurs first in alphabetical order without modifying the array

FINDING THE STRING WHICH OCCURS FIRST IN ALPHABTICAL ORDER WITHOUT MODIFYING THE ARRAY

#include <stdio.h>

void main()

{

char st[10][30],t[30];

int n,i;

printf("how many strings do u want to enter :");

scanf("%d",&n);

printf("Enter strings:");

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

{

fflush(stdin);

gets(st[i]);

}

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

if(i==0||strcmp(t,st[i]>0))2

strcpy(t,st[i]);

printf("The string which occurs first in alphabetical order is %s",t);

}

OUPUT

How many strings do u want to enter :1

Enter strings: abcde

The string which occurs first in alphabetical order is abcde

finding the longest string

FINDING THE LONGEST STRING

#include <stdio.h>

void main()

{

char st[10][30],t[30];

int n,i,l,max=0;

printf("How many strings do u want ot enter:");

scanf("%d",&n);

printf("enter strings:");

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

{

fflush(stdin);

gets(st[i]);

l=strlen(st[i]);

if(l>max)

{

max=1;

strcpy(t,st[i]);

}

printf("Longest string is : %s",t);

}

OUTPUT

How many strings do u want to enter 2

Enter strings: sirisha

Sanapathi

Longest string sanapathi

reading and printing a set of strings

READING /PRINTING A SET OF STRINGS

#include <stdio.h>

void main()

{

char st[10][30];

int n,i;

printf("how many strings do u want to enter:");

scanf("%d",&n);

printf("Enter strings:");

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

{

fflush(stdin);

gets(st[i]);

}

printf("The entered strings are\n");

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

printf("%s\n",st[i]);

}

OUTPUT

How mant strings do u want to enter : 5

Enter strings:Dwarakanagar

MVP

Gajuwaka

Scindia

NAD

The entered strings are : Dwarakanagar

MVP

Gajuwaka

Scindia

NAD

transpose matrix

TRANSPOSE MATRIX

#include <stdio.h>

void main()

{

int m[5][5],t[5][5],i,j,r,c;

printf("How many rows and cols");

scanf("%d%d",&r,&c);

printf("enter the matrix:");

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

for(j=0;j<c;j++)

scanf("%d",&m[i][j]);

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

for(j=0;j<c;j++)

t[j][i]=m[i][j];

printf("original matrix:\n");

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

{

for(j=0;j<c;j++)

printf("%5d",m[i][j]);

printf("\n");

}

printf("\n its transpose:\n");

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

{

for(j=0;j<r;j++)

printf("%5d",t[i][j]);

printf("\n");

}

OUTPUT

How many rows and cols 2

Enter the matrix: 1

Orginal matrix:

1 2

2 4

Its transpose

1 3

2 4

product of two matrices

PRODUCT OF TWO MATRICES

#include <stdio.h>

void main()

{

int m1[5][5],m2[5][5],m3[5][5]={0},r1,r2,c1,c2,i,j,k;

printf("how many rows and cols for matrix 1");

scanf("%d%d",&r1,&c1);

printf("how many rows and cols for matrix 2");

scanf("%d%d",&r2,&c2);

if(c1!=r2)

{

printf("Multiplication rule violated -cannot be multiplied");

exit(0);

}

printf("Enter elements into matrix 1:");

for(i=0;i<r1;i++)

for(j=0;j<c1;j++)

scanf("%d",&m1[i][j]);

printf("Enter elements into matrix 2:");

for(i=0;i<r2;i++)

for(j=0;j<c2;j++)

scanf("%d",&m2[i][j]);

for(i=0;i<r1;i++)

{

for(j=0;j<c2;j++)

{

for(k=0;k<c1;k++)

m3[i][j]=m3[i][j]+m1[i][j]*m2[i][j];

}

printf("Product of two matrices:\n");

for(i=0;i<r1;i++)

{

for(j=0;j<c2;j++)

printf("%5d",m3[i][j]);

printf("\n");

}

OUTPUT

How many rows and cols for matrix 1 2

How may rows and cols for matrix 2 2

Enter element into matrix 1:1

Enter element into matrix 2:1

Product of two matrices:

2 8

18 32

sum of two matrices

SUM OF TWO MATRICES

#include <stdio.h>

void main()

{

int m1[5][5],m2[5][5],m3[5][5],r,c,i,j;

printf("how many rows and cols ");

scanf("%d%d",&r,&c);

printf("Enter elements into matrix 1:");

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

for(j=0;j<c;j++)

scanf("%d",&m1[i][j]);

printf("Enter elements into matrix 2:");

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

for(j=0;j<c;j++)

scanf("%d",&m2[i][j]);

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

for(j=0;j<c;j++)

m3[i][j]=m1[i][j]+m2[i][j];

printf("sum of two matrices:\n");

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

{

for(j=0;j<c;j++)

printf("%3d",m3[i][j]);

printf("\n");

}

OUTPUT

How many rows and cols 2

Enter elements into matrix 1:1

Enter elements into matrix 2:1

Sum of matrices:

2 4

6 8

sum of elements of a matrix

SUM OF ELEMENTS OF A MATRIX

#include <stdio.h>

void main()

{

int m[5][5],r,c,i,j,s=0;

printf("How many rows and cols");

scanf("%d%d",&r,&c);

printf("enter elements");

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

for(j=0;j<c;j++)

{

scanf("%d",&m[i][j]);

s=s+m[i][j];

}

printf("sum of elements =%d",s);

}

OUTPUT

How many rows and cols 2

Enter elements 1

Sum of elements 36

reading and printing a matrix

READING AND PRINTING A MATRIX

#include <stdio.h>

int main()

{

int m[5][5],r,c,i,j;

printf("How many rows and cols ");

scanf("%d%d",&r,&c);

printf("Enter elements");

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

for(j=0;j<c;j++)

scanf("%d",&m[i][j]);

printf(" The entered elements are \n");

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

{

for(j=0;j<c;j++)

printf("%3d",m[i][j]);

printf("\n");

}

return 0;

}

OUTPUT

How many rows and cols 2 3

Enter elements 1

The enetered elements are

113

567

finding number of words in a sentence example 2

FINDING NUMBER OF WORDS IN A SENTENCE EXAMPLE 2

#include <stdio.h>

void main()

{

char st[128];

int i,nwords=0;

puts("enter a sentence:");

gets(st);

for(i=0;st[i]!=0;i++)

if(st[i]==' ' && st[i+1]!=' ')

nwords++;

printf("number of words=%d",nwords+1);

}

Output:

Enter a sentence

Incredible india

Number of words =2

finding number of word in a sentence example 1

FINDING NUMBER OF WORDS IN A SENTENCE EXAMPLE 1

#include <stdio.h>

int main()

{

char st[128];

int i,nwords=0;

puts("enter a sentence");

gets(st);

for(i=0;st[i]!=0;i++)

if(st[i]=='')

nwords++;

printf("numbers of words=%d",nwords+1);

return 0;

}

OUTPUT

Enter a sentence

Incredible india

Number of words =2

string concatenation without using strcat()

STRING CONCATENATION WITHOUT USING STRCAT()

#include <stdio.h>

void main()

{

char st1[30],st2[30],st3[60];

int i,j;

puts("enter a string 1");

gets(st1);

puts("enter a string 2");

gets(st2);

for(i=0;st1[i]!=0;i++)

st3[i]=st1[i];

st3[i]='*';

j=i+1;

for(i=0;st2[i]!=0;i++,j++)

st3[j]=st2[i];

st3[j]=0;

printf("%s\n%s\n%s",st1,st2,st3);

}

OUTPUT

Enter a string 1 siri

Enter a string 2 sha

Siri

Sha

Siri*sha

string concatenation wihtout using strcat()

STRING CONCATENATION WITHOUT USING STRCAT()

#include <stdio.h>

int main()

{

char st1[30],st2[30];

int l1,l2,i;

puts("enter string 1:");

gets(st1);

puts("enter string 2:");

gets(st2);

for(l1=0;st1[l1]!=0;l1++)

for(l2=0;st1[l2]!=0;l2++)

if(l1!=l2)

{

printf("not same");

exit(0);

}

for(i=0;i<l1;i++)

if(st1[i]!=st2[i])

break;

if(i==l1)

printf("same");

else

printf("not same");

return 0;

}

OUTPUT

Enter a string 1: siri

Enter a string 2: sana

Not same

string reverse without using strrev()

STRING REVERSE WITHOUT USING STRREV()

#include <stdio.h>

void main()

{

char st1[30],st2[30];

int l,i,j;

puts("enter a string");

gets(st1);

for(l=0;st1[l]!=0;l++)

j=l-1;

for(i=0;i<l;i++,j--)

st2[i]=st1[j];

st2[i]=0;

printf("original : %s\nReverse:%s",st1,st2);

}

OUTPUT

Enter a string sirisha

Original sirisha

Reverse ahsiris

string copy without using strcpy()

STRING COPY WITHOUT USING STRCPY()

#include<stdio.h>

#include<stdlib.h>

int main()

{

char st1[30],st2[30];

int i;

puts("Enter a string");

gets(st1);

for(i=0;st1[i]!='\0';i++)

st2[i]=st1[i];

st2[i]='\0';

printf("%s\n%s",st1,st2);

return 0;

}

OUTPUT

Enter a string sirisha

Sirisha

string length wihtout using strlen()

STRING LENGTH WITHOUT USING STRLEN()

#include <stdio.h>

void main()

{

char st[30];

int i;

puts("Enter a string");

gets(st);

for(i=0;st[i]!='\0';i++);sirisha

printf("Length %d",i);

}

OUTPUT

Enter a string :sirisha sanapathi

Length:17

string concatenation

STRING CONCATENATION

#include <stdio.h>

void main()

{

char st1[30],st2[30],st3[60];

int n;

printf("enter atring 1:");

gets(st1);

printf("enter string 2");

gets(st2);

strcpy(st3,st2);

strcat(st3,st2);

printf(" %s\n%s\n%s",st1,st2,st3);

}

OUTPUT

Enter string1: shiva

Enter string 2: rama

Shiva

Rama

Shivarama

string comparison

STRING COMPARISON

#include <stdio.h>

void main()

{

char st1[30],st2[30];

int n;

printf("enter atring 1:");

gets(st1);

printf("enter string 2");

gets(st2);

n=strcmp(st1,st2);

if(n==0)

printf("same");

else

printf("not same");

}

OUTPUT:

Enter string 1: sachin

Enter string 2:SAchin

Not same

string reverse

STRING REVERSE

#include <stdio.h>

void main()

{

char st1[30],st2[30];

printf("enter a string");

gets(st1);

strcpy(st2,st1);

strrev(st2);

printf("orginal:%s\nReverse:%s",st1,st2);

}

OUTPUT:

Enter a string: Visakhapatnam

Original:Visakhapatnam

Reverse :mantapahkasiv

string copy

STRING COPY

#include <stdio.h>

void main()

{

char st1[30],st2[30];

printf("enter a string ");

gets(st1);

strcpy(st2,st1);

printf("%s\n%s",st1,st2);in

}

OUTPUT

Enter a string : india

India

finding a string length

FINDING A STRING LENGTH

#include <stdio.h>

void main()

{

char st[30];

int l;

puts("enter a string");

gets(st);

l=strlen(st);

printf("Length=%d",l);

}

OUTPUT

Enter a string sirisha sanapathi

Length =16

reading multi word names using gets()

READING MULTI-WORD NAMES USING gets()

#include <stdio.h>

void main()

{

char na[30];

printf("enter a name");

gets(na);

printf("%s",na);

}

OUTPUT

Enter a name sirisha sanapathi

Sirisha sanapathi

reading and printing a group of characters (method 1)(fflush())

READING/PRINTING A GROUP OF CHARACTERS (METHOD 1)(fflush())

#include <stdio.h>

void main()

{

char st[30];

int n,i;

printf("How many characters do u want to enter");

scanf("%d",&n);

printf("enter the characters(name):");

fflush(stdin);

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

scanf("%c",&st[i]);

printf("the entered name is :");

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

printf("%c",st[i]);

}

OUTPUT

How many characters do u want to enter 13

Enter the character(name):incredible india

The entered name is :incredible in

READING/PRINTING A GROUP OF CHARACTERS (METHOD 2)

#include <stdio.h>

void main()

{

char st[30];

printf("enter the characters(name)");

scanf("%s",st);

printf(" the entered name is %s",st);

}

OUTPUT

Enter the characters(name) sirisha sanapathi

The entered name is sirisha

array elements in ascending order

Ascending order array elements

#include <stdio.h>

void main()

{

int a[10],n,i,j,t,flag;

printf("How many numbers do u want to enter");

scanf("%d",&n);

printf("enter the numbers");

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

scanf("%d",&a[i]);

for(i=0;i<n-1;i++)

{

flag=1;

for(j=0;j<n-1-i;j++)

{

if(a[j]>a[j+1])

{

t=a[j];

a[j]=a[j+1];

a[j+1]=t;

flag=0;

}

if(flag==1)

break;

} printf("in ascending order\n");

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

printf("%d\n",a[i]);

}

Output

How many numbers do u want enter 5

Enter the numbers:2

In ascending order

results sheet

Results sheet:

#include <stdio.h>

#include <stdlib.h>

void main()

{

int rno[10],marks[10],n,i;

printf("How many students details do u want to enter ");

scanf("%d",&n);

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

{

printf("enter id and marks:");

scanf("%d%d",&rno[i],&marks[i]);

}

printf("Results sheet\n");

printf("--------------\n\n");

printf("First class \n");

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

if(marks[i]>=60)

printf("%d->%d\n",rno[i],marks[i]);

printf("Second class\n");

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

if(marks[i]>=50&&marks[i]<60)

printf("%d->%d\n",rno[i],marks[i]);

printf("Third class\n");

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

if(marks[i]>=35&&marks[i]<50)

printf("%d->%d\n",rno[i],marks[i]);

}

Output:

How many students details do u want to enter 2

Enter id and marks: 1

Enter id and marks:2

Results sheet

-----------------

First class

Second class

2->56

Third class

1->35

Sum of array

Sum of array :

#include <stdio.h>

void main()

{

int a[10],n,i,s=0;

printf("How many numbers do u want to enter");

scanf("%d",&n);

printf("enter numbers");

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

{

scanf("%d",&a[i]);

s=s+a[i];

}

printf("sum =%d",s);

}

Output:

How many numbers do u want to enter 5

Sum=192

25.12.19

#include<stdio.h>

void main()
{

int a[10],n,i;

printf("How many numbers do u want to enter");

scanf("%d",&n);

printf("enter elements ");
for(i=0;i<n;i++)

scanf("%d",&a[i]);

printf("enter numbers are \n");
for(i=0;i<n;i++)
printf("%d\t",a[i]);

}

OUTPUT

How many numbers do u want to enter 3

enter elements 56
78
90
enter elements are 56
78
90

example for pyramid 7 program in c

#include<stdio.h>

void main()
{

int n,i,j,k;

printf("Enter a number");
scanf("%d",&n);

for(i=1;i<=2*n-1;i++)
{
k=(i<=n)?i:n-i%n;

for(j=1;j<=k;j++)

printf("%d",j);

printf("\n");

}

}

OUTPUT:
Enter a number 5

1
12
123
12345
1234
123
12
1

24.12.19

example for pyramid 6 program in c

#include<stdio.h>

void main()
{

int n,i,j,k;

printf("Enter a number");
scanf("%d",&n);

for(i=1;i<=n;i++)
{
for(k=1;k<=n-i;k++)

printf(" ");

for(j=1;j<=2*i-1;j++)

printf("%d",j);

printf("\n");

}

}

OUTPUT:
Enter a number 5
1
123
12345
1234567
123456789

Example for pyramid 5 program in c

#include<stdio.h>

void main()
{

int n,i,j,k;

printf("Enter a 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("%d",j);

printf("\n");

}

}

OUTPUT:
Enter a number 5
1
12
123
1234
12345

Example for pyramid 4 program in c

#include<stdio.h>

void main()
{

int n,i,j;

printf("Enter a number");
scanf("%d",&n);

for(i=n;i>=1;i--)
{

for(j=1;j>=i;j--)

printf("%d",j);

printf("\n");

}

}

OUTPUT:
Enter a number 5

54321
4321
321
21
1

example for pyramid 3 program in c

#include<stdio.h>

void main()
{

int n,i,j;

printf("Enter a number");
scanf("%d",&n);

for(i=n;i>=1;i--)
{

for(j=1;j<=i;j++)

printf("%d",j);

printf("\n");

}

}

OUTPUT:
Enter a number 5

12345
1234
123
12
1

example for pyramid 2 program in c

#include<stdio.h>

void main()
{

int n,i,j;

printf("Enter a number");
scanf("%d",&n);

for(i=1;i<=n;i++)
{

for(j=1;j<=i;j++)

printf("%d",i);

printf("\n");

}

}

OUTPUT:
Enter a number 5
1
22
333
4444
55555

example for Pyramid 1 program in c

#include<stdio.h>

void main()
{

int n,i,j;

printf("Enter a number");
scanf("%d",&n);

for(i=1;i<=n;i++)
{

for(j=1;j<=i;j++)

printf("%d",j);

printf("\n");

}

}

OUTPUT:
Enter a number 5
1
12
123
1234
12345

Generating random numbers program in c

#include<stdio.h>

void main()
{

int i,r;

randomize();

for(i=1;i<=10;i++)
{

r=random(100)

printf("%d\t",r);
}

}

OUTPUT:

82 86 72 23 45 48 88 85 48 21

NOTE:

a) random() takes a number and returns a random number in the range 0 to one less than the given number.
b) randomize() intializes the random number generator with a random value.

example for switch case program in c

#include<stdio.h>

void main()
{
char ch;

printf("Enter an alphabet:");
scanf("%c",&ch);

switch(ch)
{

case 'c' : printf("Chandigarh");
break;
case 'b' : printf("Baroda");
break;
case 'd' : printf("Dehradun");
break;
case 'v' : printf("Vizag");
break;
default: printf(" Guess where");

}

}

OUTPUT

Enter an alphabet c
Chandigarh

Logical operators(!!) program in c

#include<stdio.h>

void main()
{

char ch;

printf(" enter an alphabet");
scanf("%c",&ch);

if(ch=='a'!!ch=='e!!ch=='i'!!ch=='o'!!ch=='u')
printf("vowel");
else
printf("Consonant);

}

OUTPUT

enter an alphabet o
vowel

conditional operator(? :) program in c

#include<stdio.h>

void main()
{

int m;

printf("Enter marks ");
scanf("%d",&m);

(m>=35)?printf("passed):printf("Failed");

}

OUTPUT:

Enter marks 56
passed

Prime or not program in c

#include<stdio.h>

void main()
{

int i,n,count=0;

printf("Enter a number");
scanf("%d",&n);

for(i=1;i<=n;i++)
if(n%i==0)
count++;

if(count==2)

printf("prime");

else

printf(" not prime");

}

OUTPUT

Enter a number 3
prime

Reverse of number program in c

#include<stdio.h>

void main()
{

int n,r,rev=0;

printf("Enter a number");
scanf("%d",&n);

while(n!=0)
{

r=n%10;

rev=rev*10+r;

n=n/10;

}

printf("Reverse %d",rev);

}

Enter a number 786
Reverse 687

Generates that many multipication tables program in c

#include<stdio.h>

void main()
{
int n,i,j;

printf(" Enter a number ");
scanf("%d",&n);

printf("\t");
for(i=1;i<=n;i++)
printf("%5d",i);

printf("\n\n");

for(i=1;i<=5;i++)
{
printf("%d\t",i);
for(j=1;j<=n;j++)
{
printf("%5d",1*j);

}
printf("\n");

}

}

OUTPUT

Enter a number 5

1 2 3 4 5

1 1 2 3 4 5
2 2 4 6 8 10
3 3 6 9 12 15
4 4 8 12 16 20
5 5 10 15 20 25

example for nested loop program in c

#include<stdio.h>
{
int i,j;

for(i=1;i<=5;i++)
{
for(j=1;j<=3;j++)
{
printf("%d,%d\n",i,j);
}
}
}

OUTPUT
1,1
1,2
1,3
2,1
2,2
2,3
3,1
3,2
3,3
4,1
4,2
4,3
5,1
5,2
5,3

Generating multiplication table program in c

#include<stdio.h>

void main()
{
int n,i;

printf("Enter a number");
scanf("%d",&n);

for(i=0;i<=20;i++)
printf("%3d*%2d=%5d\n",n,i,n*i);

}

OUTPUT

9*1= 9
9*2= 18
9*1= 27
9*1= 36
9*1= 45
9*1= 54
9*1= 63
9*1= 72
9*1= 81
9*1= 90
9*1= 99
9*1= 108
9*1= 117
9*1= 126
9*1= 135
9*1= 144
9*1= 153
9*1= 162
9*1= 171
9*1= 180

To print all the even numbers (using for )b/w 1 to 10 program inc

#include<stdio.h>

void main()
{
int i;

for(i=0;i<=10;i++)
{

if(i%2==0)

printf("%d\t",i);

}
}

OUTPUT

2 4 6 8

Example of (multi way control structure) program in c

#include<stdio.h>

void main()
{

int m;

printf("Enter marks");
scanf("%d",&m);

if(m>=60)
printf("First class");

else if(m>=50)
printf("Second class");

else if(m>=35)
printf("Third class");

else
printf("Failed");

}

OUTPUT
Enter marks 46
Third class

Example of (if else) program in c

#include<stdio.h>

void main()
{

int n;

printf("Enter a number:");
scanf("%d",&n);

if(n%2==0)

printf("Even");

else

printf("Odd");

}

Example of (if) program in c

#include<stdio.h>

void main()
{

int n;

printf("Enter a number");
scanf("%d",&n);

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

if(n==786)

printf("sanapathi");

}

OUTPUT:

Enter a number 786
sanapathi

Constant keyword program in c

If we want that the value of a variable is fixed & shold not be changed even accidentally, then such a variable is defined as const

#include<stdio.h>

void main()
{

const int a=512;

printf("%d",a);

}

OUTPUT:

512

sizeof keyword program in c

It is used to get the size of a variable or data type i.e., number of btes allocated.

#include<stdio.h>

void main()

{

int x;

char y;

float z;

printf("x=%d\n",sizeof(x));

printf("int =%d\n",sizeof(int));

printf("y=%d\n",sizeof(y));

printf("char =%d\n",sizeof(char));

printf("z=%d\n",sizeof(z));

printf("float =%d\n",sizeof(float));

}

OUTPUT:

x=2

int =2

y=1

char=1

z=4

float=4

Temperature value from centigrade to Fahrenheit prrogram in c

#include<stdio.h>
void main()
{
float cen,fah;
printf("Enter temperature in centigrade scale:");
scanf("%f",&cen);

fah=9/5.0*cen+32;

printf("Equivalent Fahrenheit scale value is %f",fah);

}

OUTPUT:

Enter temperature in centigrade scale: 27.5

Equivalent Fahrenheit scale value is 81.5

Palindrome of string program in c

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

void main()
{
char str1[30],str2[30];
int n;
clrscr();
printf("Enter a string");
gets(str1);
strcpy(str2,str2);
strrev(str1);
n=strcmp(str,str);
if(n==0)
printf("\n The given string is palindrome");
else
printf("\n The given string is not a palindrome");
getch();
}

OUTPUT:

Enter a string mom

The given string is palindrome

Enter a string mad

The given string is not a palindrome

23.12.19

FInding largest and smallest number from a list program in c

#include<stdio.h>

void main()

{

int a[50],i,n,large,small;

printf("Enter the size of array");
scanf("%d",&n);

printf("Enter the elements into array to find largest and smallest number");

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

scanf("%d",&a[i]);

large=small=a[0];

for(i=1;i<n;i++)
{
if(a[i]<small)

small=a[i];

}

printf(" The largest number is %d",large);
printf("The smallest number is %d",small);

}

OUTPUT

Enter the size of array 10
Enter the elements into array to find largest and smallest number 12 3 67 90 9 56 34 6 8 12
The largest number is 90
The smallest number is 3

Swapping of Numbers by call-by-value program in c

#include<stdio.h>

void main()

{
int a=100,b=200;

void swap(int,int);

printf("Before swap a=%d, b=%d",a,b);

swap(a,b);

}

void swap(int m,int n)
{
int temp ;

temp=m;
m=n;
n=temp;

printf("After swap a=%d,b=%d",m,n);
}

OUTPUT:

Before swap a=100 and b=200
After swap a=200 and b=100

Swapping of numbers using call-by-reference program in c

#include<stdio.h>

void main()

{

int a=10,b=50;

void swap(int *,int *);

clrscr();

printf("Before Swapping: %d %d\n",a,b);

swap(&a,&b);

printf("After Swapping: %d %d\n",a,b);

}

void swap(int *a,int *b)

{
int t;

t=*a;

*a=*b;

*b=t;

}

Output :

Before Swapping: 10 50

After Swapping: 50 10

Factorial ( Recursion Method) program in c

#include<stdio.h>

#include<conio.h>

int fact(int n)
{

int f;

if(n==0)

return 1;
else

f=n*fact(n-1);

return f;
}

void main()
{
int n,f;

clrscr();

printf("\n Enter the value of n");

scanf("%d",&n);

f=fact(n);

printf("\n Factorial of %d is %d ",n.f);

getch();

}

OUTPUT
Enter the value of n 5
Factorial of 5 is 120

Bubble Sort program in c

#include<stdio.h>
void main()
{
int n,c,d,swap,a[10];
printf("Input number of integers to sort:\n");
scanf("%d",&n);
printf("Enter %d integers:\n",n);
for(c=0;c<n;c++)
    scanf("%d",&a[c]);
for(c=0;c<(n-1);c++)
{
for(d=0;d<n-c-1;d++)
     {
      if(a[d]>a[d+1]) /* For descending order use < */
        {
          swap = a[d];
          a[d] = a[d+1];
          a[d+1] = swap;
        }
      }
}
    printf("Sorted list of numbers:\n");
    for(c=0;c<n;c++)
        printf("%d\n",a[c]);
}

Output:

Input number of integers to sort:
4
Enter 4 integers:
23
5
225
1
Sorted list of numbers:
1
5
23
225

Binary Search program in c

#include<stdio.h>

void main()

{

int n,i,l=0,h,m=0,f=0,sk,a[10];

printf("Enter number of elements: ");

scanf("%d",&n);

h=n-1;

printf("Enter %d integers :\n",n);

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

scanf("%d",&a[i]);

printf("Enter the search value: ");

scanf("%d",&sk);

while(l<=h)

{

m=(l+h)/2;

if(sk==a[m])

{

f=1;break;

}

else if(sk<a[m])

h=m-1;

else

l=m+1;

}

if(f==1)

printf("%d Found at Index %d",sk,m);

else

printf("Search Key Not Found");

}

Output 2:

Enter number of elements: 4

Enter 4 integers :

Enter the search value: 78

78 Found at Index 3

Output 3:

Enter number of elements: 4

Enter 4 integers :

354

567

2345

Enter the search value: 5

Search Key Not Found