PPS
My Details
Name - khushboo kumari
+CRN -1915325
+Branch - CSE
1) To print name using puts.
/* Program to print your name */
#include<stdio.h>
+int main() {
puts(“");
+puts(“khushboo kashyap”);
+puts("”);
return 0;
+output:
##2) To print College address
/* College Address */
#include<stdio.h>
+int main() {
printf("\n\t\t\tGuru Nanak Dev Engineering College,");
+printf("\n\t\t\tGill Road,");
+printf("\n\t\t\tLudhiana , Punjab");
return 0;
+}
+output:
3) Program to add two integers .
/* To add two integers */
#include <stdio.h>
+int main() {
int a,b;
printf("\nEnter the numbers…");
printf("\nA:");
+scanf("%d",&a);
printf("\nB:");
+scanf("%d",&b);
a=a+b;
printf("\n Sum of the number is %d ",a);
return 0;
}
+output:
4) Program to find quotient and remainder.
/* To find quotient and remainder */
#include <stdio.h>
int main() {
int a,b,r,q;
printf("\nEnter the Dividend:");
+scanf("%d",&a);
printf("\nEnter the divisor:");
+scanf("%d",&b);
r=a%b;
+q=a/b;
printf("\nRemainder: %d",r);
+printf("\nQuotient: %d",q);
return 0;
+}
+output:
5) Program to swap two variables without 3rd variable.
/* Swapping without 3rd variable */
#include <stdio.h>
+int main() {
int a,b;
printf("\nEnter the value of A:");
+scanf("%d",&a);
printf("\nEnter the value of B:");
+scanf("%d",&b);
a = a + b;
+b = a - b;
+a = a - b;
printf("\nA: %d",a);
+printf("\nB: %d",b);
return 0;
+}
+output:
6) Program to check even odd number.
/* To find whether number is even or odd */
#include<stdio.h>
+int main() {
int num,temp;
printf(“Enter the Number:”);
+scanf("%d",&num);
if(num%2==0)
+printf("\nNumber is Even…");
else
+printf("\nNumber is Odd…");
printf("\n\n");
+return 0;
+}
+ouyput:
7) Finding greteast of two numbers.
/* Largest one in two */
#include<stdio.h>
int main() {
+int a,b;
+printf(“Enter any two number(A and B): “);
+scanf(”%d%d”, &a, &b);
if(a>b)
+printf("\nA is largest…");
+else
+printf("\nB is largest…");
return 0;
+}
+output:
8) Find greatest of three number .
/* Largest of three number */
#include<stdio.h>
+int main() {
+int x, y, z, large;
printf(" Enter any three integer numbers for x, y, z : ") ;
scanf("%d %d %d", &x, &y, &z) ;
large = (x > y ? ( x > z ? x : z) : (y > z ? y : z)) ;
printf("\n\n Largest or biggest or greatest or maximum among 3 numbers using Conditional ternary Operator : %d", large) ;
return 0;
+}
+output:
9) Program to assign grade to student according to percentage.
/* To find grade of a student by marks */
#include<stdio.h>
+int main() {
int s1,s2,s3,s4,s5,agg;
+float perc;
printf(“Enter the Marks in 5 Subjects Respectively:\n”);
scanf("%d%d%d%d%d",&s1,&s2,&s3,&s4,&s5);
agg=s1+s2+s3+s4+s5; // Aggregate Marks
perc=agg/500.0*100; // Perc Marks
if(perc>=90)
+{
+printf("\nA");
}
else if (perc>=80 && perc<90)
+{
+printf("\nB");
}
else if(perc>=70 && perc<80)
+{
+printf("\nC");
}
else if(perc>=60 && perc<70)
+{
+printf("\nD");
+}
+else if(perc>=50 && perc<60)
+{
+printf("\nE");
+}
+else
+{
+printf("\nScope of Improvement…");
+}
+return 0;
+}
+output:
+
11) Program to check year is leap or not.
/* To find whether year is leap or not */
#include<stdio.h>
+int main() {
int year,temp;
printf(“Enter teh year:”);
+scanf("%d",&year);
temp=year%4;
if(year%1000)
+{
+if(year%4000)
+printf("\nLeap year…");
+}
else
+{
+if(year%4==0)
+printf("\nLeap year…");
else
+printf("\nNot a Leap year…");
+}
return 0;
+}
+output:
12) Program to print table of 5.
/* Table of 5 */
#include<stdio.h>
int main() { int res;
for(int i=1;i<=10;i++) {
res=5*i;
printf("\n5*%d=%d",i,res);
+}
return 0;
+}
+output:
13) To make simple calculator using switch case.
/* C Program to Create Simple Calculator using Switch Case */
#include <stdio.h>
int main() {
+char Operator;
+float num1, num2, result = 0;
printf("\n Please Enter an Operator (+, -, *, /) : “);
+scanf(”%c", &Operator);
printf("\n Please Enter the Values for two Operands: num1 and num2 : “);
+scanf(”%f%f", &num1, &num2);
switch(Operator)
+{
+case ‘+’:
+result = num1 + num2;
+break;
+case ‘-’:
+result = num1 - num2;
+break;
+case ‘*’:
+result = num1 * num2;
+break;
+case ‘/’:
+result = num1 / num2;
+break;
+default:
+printf("\n You have enetered an Invalid Operator ");
+}
printf("\n The result of %.2f %c %.2f = %.2f", num1, Operator, num2, result);
return 0;
+}
+output:
14) To calculate reverse of a number.
/* To find reverse of a Number*/
#include<stdio.h>
+int main() {
int num,rev=0;
printf("\nEnter the Number:");
+scanf("%ld",&num);
while(num!=0)
+{
+rev = rev * 10;
+rev = rev + num%10;
+num = num/10;
+}
printf("\nReversed number:%d",rev);
printf("\n\n");
+return 0;
+}
+output:
15) To check whether number is palindrome or not.
/* Palindrome */
#include<stdio.h>
+int main() {
int n,rev=0,check,rem;
printf("\nEnter the number:");
+scanf("%d",&n);
+check=n;
while( n!=0 )
+{
+rem = n%10;
+rev = rev*10 + rem;
+n /= 10;
+}
if(rev==check)
+printf("\nReversed number is equal to entered number…");
else
+printf("\nReversed number is not equal to entered number…");
printf("\n\n");
+return 0;
+}
+output:
16) To check whether a number is prime or not.
/* Program to check prime no. */
#include <stdio.h>
+#include <stdlib.h>
int main() {
int num, j, flag;
printf(“Enter a number \n”);
+scanf("%d", &num);
if (num <= 1)
+{
+printf("%d is not a prime numbers \n", num);
+exit(1);
+}
+flag = 0;
+for (j = 2; j <= num / 2; j++)
+{
+if ((num % j) == 0)
+{
+flag = 1;
+break;
+}
+}
+if (flag == 0)
+printf("%d is a prime number \n", num);
+else
+printf("%d is not a prime number \n", num);
return 0;
}
+output:
)
17) Program to print prime number to 100.
/* Prime number from 1 to 100 */
#include<stdio.h>
int main(){
int numbr,k,remark;
printf(" The prime numbers between 1 and 100 : \n");
for(numbr=2;numbr<=100;++numbr)
{
remark=0;
for(k=2;k<=numbr/2;k++){
if((numbr % k) == 0){
remark++;
break;
+}
}
if(remark==0)
+printf("\n %d ",numbr);
}
return 0;
+}
+output:
18) Program to check whether a number is armstrong or not.
/* To check armstrong number */
#include <stdio.h>
+int main()
+{
+int number, originalNumber, remainder, result = 0;
printf(“Enter a three digit integer: “);
+scanf(”%d”, &number);
originalNumber = number;
while (originalNumber != 0)
+{
+remainder = originalNumber%10;
+result += remainderremainderremainder;
+originalNumber /= 10;
}
if(result == number)
+printf("%d is an Armstrong number.",number);
+else
+printf("%d is not an Armstrong number.",number);
return 0;
+}
+output:
/)
19) Print Different Patterns.
i)
/* Pattern 1*/
#include <stdio.h>
+int main() {
int i,j,r;
printf(“Enter number of rows: “);
+scanf(”%d”,&r);
for(i=1; i<=r; ++i)
+{
+for(j=1; j<=i; ++j)
+{
+printf("%d “,j);
+}
+printf(”\n");
+}
+return 0;
+}
+output:
)
ii)
/* Pattern 2*/
#include <stdio.h>
+int main() {
int r,i,j,num= 1;
+printf(“Enter number of rows: “);
+scanf(”%d”,&r);
+for(i=1;i<=r;i++)
+{
+for(j=1;j<=i;++j)
+{
+printf("%d",num);
+++num;
+}
+printf("\n");
+}
+return 0;
+}
+output:
+
20) Program to find largest from 1 dimensional array.
/* Largest in 1 dimensional array */
#include <stdio.h>
+int main() {
int i, n;
+float arr[100];
printf(“Enter total number of elements(1 to 100): “);
+scanf(”%d”, &n);
+printf("\n");
// Stores number entered by the user
+for(i = 0; i < n; ++i)
+{
+printf(“Enter Number %d: “, i+1);
+scanf(”%f”, &arr[i]);
+}
+// Loop to store largest number to arr[0]
+for(i = 1; i < n; ++i)
+{
+// Change < to > if you want to find the smallest element
+if(arr[0] < arr[i])
+arr[0] = arr[i];
+}
+printf(“Largest element = %.2f”, arr[0]);
+return 0;
+}
+output:
21) To find sumof the N natural numbers in an array.
/* Sum of N no.s in array */
#include<stdio.h>
int main() {
+printf("\n\n\t\tStudytonight - Best place to learn\n\n\n");
+int n, sum = 0, c, array[100];
printf(“Enter the number of integers you want to add: “);
+scanf(”%d”, &n);
printf("\n\nEnter %d integers \n\n", n);
for(c = 0; c < n; c++)
+{
+scanf("%d", &array[c]);
+sum += array[c]; // same as sum = sum + array[c]
+}
printf("\n\nSum = %d\n\n", sum);
+return 0;
+}
+output:
22) Program to add two matrices .
/* Addition of matrix */
#include <stdio.h>
int main() {
int m, n, c, d, first[10][10], second[10][10], sum[10][10];
printf(“Enter the number of rows and columns of matrix\n”);
+scanf("%d%d", &m, &n);
printf(“Enter the elements of first matrix\n”);
for (c = 0; c < m; c++)
+for (d = 0; d < n; d++)
+scanf("%d", &first[c][d]);
printf(“Enter the elements of second matrix\n”);
for (c = 0; c < m; c++)
+for (d = 0 ; d < n; d++)
+scanf("%d", &second[c][d]);
printf(“Sum of entered matrices:-\n”);
for (c = 0; c < m; c++) {
+for (d = 0 ; d < n; d++) {
+sum[c][d] = first[c][d] + second[c][d];
+printf("%d\t", sum[c][d]);
+}
+printf("\n");
+}
return 0;
+}
+output:
23) Program to multiply two matrices .
#include <stdio.h>
+int main()
+{
+int m, n, p, q, c, d, k, sum = 0;
+int first[10][10], second[10][10], multiply[10][10];
printf(“Enter number of rows and columns of first matrix\n”);
+scanf("%d%d", &m, &n);
printf(“Enter elements of first matrix\n”);
for (c = 0; c < m; c++)
+for (d = 0; d < n; d++)
+scanf("%d", &first[c][d]);
printf(“Enter number of rows and columns of second matrix\n”);
+scanf("%d%d", &p, &q);
if (n != p)
+printf(“The matrices can’t be multiplied with each other.\n”);
else
+{
+printf(“Enter elements of second matrix\n”);
for (c=0;c<p;c++)
+for (d = 0; d < q; d++)
+scanf("%d", &second[c][d]);
for (c = 0; c < m; c++) {
+for (d = 0; d < q; d++) {
+for (k = 0; k < p; k++) {
+sum = sum + first[c][k]*second[k][d];
+}
multiply[c][d] = sum;
+sum = 0;
+}
+}
printf(“Product of the matrices:\n”);
for (c = 0; c < m; c++) {
+for (d = 0; d < q; d++)
+printf("%d\t", multiply[c][d]);
printf("\n");
+}
+}
return 0;
+}
+output:
24) Program to check whether a string is palindrome or not .
#include<stdio.h>
+#include <string.h>
int main() {
+char s[1000];
+int i,n,c=0;
printf("Enter the string : ");
+gets(s);
+n=strlen(s);
for(i=0;i<n/2;i++)
+{
+if(s[i]==s[n-i-1])
+c++;
}
+if(c==i)
+printf(“string is palindrome”);
+else
+printf(“string is not palindrome”);
return 0;
+}
+output:
25 Programs to swap two numbers using call by value and call by refernce.
call by refernce:-
#include <stdio.h>
+void swap(int*, int*);
int main() {
int x, y;
printf(“Enter the value of x and y\n”);
+scanf("%d%d",&x,&y);
printf(“Before Swapping\nx = %d\ny = %d\n”, x, y);
swap(&x, &y);
printf(“After Swapping\nx = %d\ny = %d\n”, x, y);
return 0;
+}
void swap(int *a, int *b)
+{
+int temp;
temp = *b;
+*b = *a;
+*a = temp;
+}
+output:
call by value:-
#include <stdio.h>
void swap(int, int);
int main() {
int x, y;
printf(“Enter the value of x and y\n”);
+scanf("%d%d",&x,&y);
printf(“Before Swapping\nx = %d\ny = %d\n”, x, y);
swap(x, y);
printf(“After Swapping\nx = %d\ny = %d\n”, x, y);
return 0;
+}
void swap(int a, int b) {
+int temp;
temp = b;
+b = a;
+a = temp;
+printf(“Values of a and b is %d %d\n”,a,b);
+}
+output:
27) Program to calculate factorial of a number with and without recursion both.
Recursion:-
#include<stdio.h>
+long int multiplyNumbers(int n);
+int main() {
int n;
+printf(“Enter a positive integer: “);
+scanf(”%d”, &n);
+printf(“Factorial of %d = %ld”, n, multiplyNumbers(n));
+return 0;
+}
+long int multiplyNumbers(int n)
+{
+if (n >= 1)
+return n*multiplyNumbers(n-1);
+else
+return 1;
+}
+output:
without recrsion:-
#include <stdio.h>
int main() {
int c, n, fact = 1;
printf(“Enter a number to calculate its factorial\n”);
+scanf("%d", &n);
for (c = 1; c <= n; c++)
+fact = fact * c;
printf(“Factorial of %d = %d\n”, n, fact);
return 0;
+}
+output:
28) Program to print fibonacci series with and without recursion both.
Without recursion:-
/* Program to print fibonaci series */
#include<stdio.h>
+void series(int); //prototype
int main() {
int n;
printf("\n\nEnter the number of terms you wish…");
+scanf("%d",&n);
+printf("\n\n");
series(n); // function call
+printf("\n\n\n");
return 0;
+}
void series(int n) // definition
{
+int t1=0,t2=1,next;
for(int i=0;i<=n;i++)
+{
+printf("%d\t",t1);
next=t1+t2;
+t1=t2;
+t2=next;
+}
+}
+output:
with recursion:-
#include <stdio.h>
+int fibo(int);
int main() {
int num;
+int result;
printf(“Enter the nth number in fibonacci series: “);
+scanf(”%d”, &num);
+if (num < 0)
+{
+printf(“Fibonacci of negative number is not possible.\n”);
+}
+else
+{
+result = fibo(num);
+printf(“The %d number in fibonacci series is %d\n”, num, result);
+}
+return 0;
+}
+int fibo(int num)
+{
+if (num == 0)
+{
+return 0;
+}
+else if (num == 1)
+{
+return 1;
+}
+else
+{
+return(fibo(num - 1) + fibo(num - 2));
+}
+}
+output:
29) Program to calculate average of 5 numbers using function.
/* program to find average of 5 numbers */
#include<stdio.h>
+int avg(int,int,int,int,int); // prototype
int main() { int a1,a2,a3,a4,a5,res;
printf("\nEnter the numbers respectiively…");
+scanf("%d%d%d%d%d",&a1,&a2,&a3,&a4,&a5);
res=avg(a1,a2,a3,a4,a5); // function call
+printf(“Average of the numbers %d”,res);
return 0;
+}
int avg(int a1,int a2,int a3,int a4,int a5) // definition
{ int p;
+p=(a1+a2+a3+a4+a5)/5;
+return p;
+}
+output:
30) Program to implement linear serach and binary.
/* Program to implement linear search and Binary search */
#include <stdio.h>
+#include <stdlib.h>
int main() {
/* Declare variables - array_of_number,search_key,i,j,low,high*/
int array[100],search_key,i,j,n,low,high,location,choice;
void linear_search(int search_key,int array[100],int n);
void binary_search(int search_key,int array[100],int n);
clrscr();
/* read the elements of array */
printf(“ENTER THE SIZE OF THE ARRAY:”);
scanf("%d",&n);
printf(“ENTER THE ELEMENTS OF THE ARRAY:\n”);
for(i=1;i<=n;i++)
+{
+scanf("%d",&array[i]);
}
/* Get the Search Key element for Linear Search */
printf(“ENTER THE SEARCH KEY:”);
scanf("%d",&search_key);
/* Choice of Search Algorithm */
printf("___________________\n");
printf(“1.LINEAR SEARCH\n”);
printf(“2.BINARY SEARCH\n”);
printf("___________________\n");
printf(“ENTER YOUR CHOICE:”);
scanf("%d",&choice);
switch(choice)
+{
+case 1:
+linear_search(search_key,array,n);
+break;
case 2: binary_search(search_key,array,n);
+break;
default:
exit(0);
}
return 0;
}
/* LINEAR SEARCH */
void linear_search(int search_key,int array[100],int n)
+{
/*Declare Variable */
int i,location;
for(i=1;i<=n;i++)
+{
if(search_key == array[i])
+{
location = i;
printf("______________________________________\n");
printf(“The location of Search Key = %d is %d\n”,search_key,location);
printf("______________________________________\n");
}
}
}
/* Binary Search to find Search Key */
void binary_search(int search_key,int array[100],int n)
+{
int mid,i,low,high;
low = 1;
high = n;
mid = (low + high)/2;
i=1;
while(search_key != array[mid])
+{
if(search_key <= array[mid])
+{
low = 1;
high = mid+1;
mid = (low+high)/2;
}
+else
+{
low = mid+1;
+high = n;
mid = (low+high)/2;
+}
}
printf("__________________________________\n");
printf(“location=%d\t”,mid);
printf(“Search_Key=%d Found!\n”,search_key);
printf("__________________________________\n");
}
+output:
31) Program to implement bubble sort.
/* Bubble sort implementation */
#include <stdio.h>
int main()
+{
+int array[100], n, c, d, swap;
printf(“Enter number of elements\n”);
+scanf("%d", &n);
printf(“Enter %d integers\n”, n);
for (c = 0; c < n; c++)
+scanf("%d", &array[c]);
for (c = 0 ; c < n - 1; c++)
+{
+for (d = 0 ; d < n - c - 1; d++)
+{
+if (array[d] > array[d+1]) /* For decreasing order use < */
+{
+swap = array[d];
+array[d] = array[d+1];
+array[d+1] = swap;
+}
+}
+}
printf(“Sorted list in ascending order:\n”);
for (c = 0; c < n; c++)
+printf("%d\n", array[c]);
return 0;
+}
+output:
32) Program to store information of 10 students using array of structures.
#include<stdio.h>
+struct student
+{
+char name[20],address[30];
+int grade,roll,dob;
+};
int main()
+{
+struct student s[10];
+int i;
+for(i=0;i<10;i++)
+{
+printf("\nEnter records for student[%d]\n",i+1);
+printf(“Enter name: “);
+gets(s[i].name);
+printf(“Enter address: “);
+gets(s[i].address);
+printf(“Enter class, roll number and date of birth(year): “);
+scanf(”%d%d%d”,&s[i].grade,&s[i].roll,&s[i].dob);
+}
+printf(“Records of the 10 students are here”);
+for(i=0;i<10;i++)
+{
+printf(”\nStudent %d”,i+1);
+printf(”\nName: %s”,s[i].name);
+printf("\nAddress: %s",s[i].address);
+printf("\nClass: %d",s[i].grade);
+printf("\nRoll No.: %d",s[i].roll);
+printf("\nDOB: %d",s[i].dob);
+printf("\n");
+}
+return 0;
+}
+output:
33) Programs to compute the transpose of a matrix.
#include <stdio.h>
+int main()
+{
+int a[10][10], transpose[10][10], r, c, i, j;
+printf(“Enter rows and columns of matrix: “);
+scanf(”%d %d”, &r, &c);
+// Storing elements of the matrix
+printf("\nEnter elements of matrix:\n");
+for(i=0; i<r; ++i)
+for(j=0; j<c; ++j)
+{
+printf(“Enter element a%d%d: “,i+1, j+1);
+scanf(”%d”, &a[i][j]);
+}
// Displaying the matrix a[][] */
+printf("\nEntered Matrix: \n");
+for(i=0; i<r; ++i)
+for(j=0; j<c; ++j)
+{
+printf("%d “, a[i][j]);
+if (j == c-1)
+printf(”\n\n");
+}
+// Finding the transpose of matrix a
+for(i=0; i<r; ++i)
+for(j=0; j<c; ++j)
+{
+transpose[j][i] = a[i][j];
+}
+// Displaying the transpose of matrix a
+printf("\nTranspose of Matrix:\n");
+for(i=0; i<c; ++i)
+for(j=0; j<r; ++j)
+{
+printf("%d “,transpose[i][j]);
+if(j==r-1)
+printf(”\n\n");
+}
+return 0;
+}
+output:
34) Program to print the address of variable using pointer.
#include <stdio.h>
+int main() {
+int a;
+int *pt;
a = 10;
+pt = &a;
printf("\n[&a ]:Address of A = %p", &a);
return 0;
+}
+output:
+
35) Program to access array using pointer.
#include <stdio.h>
+int main()
+{
+int data[5],i;
+printf(“Enter elements: “);
+for(i = 0; i < 5; ++i)
+scanf(”%d”, data + i);
+printf(“You entered: \n”);
+for(i = 0; i < 5; ++i
+printf("%d\n", *(data + i));
+return 0;
+}
+output: