Name:Muskan Dhiman Branch:CSE C1 Class Roll No.:1915333 Submitted To:Ms. Goldendeep Kaur
#include<stdio.h>
int main()
{
puts("******************************");
puts("My name is Muskan Dhiman");
puts("******************************")
return 0;Output:
#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\n");
return 0;
}Output:
#include <stdio.h>
int main()
{
int a, b, c;
printf("Enter two integers: ");
scanf("%d %", &a, &b);
c = a+b;
printf("%d + %d = %d\n", a, b, c);
return 0;
}
Output:
#include <stdio.h>
int main()
{
int dividend, divisor, quotient, remainder;
printf("Enter dividend: ");
scanf("%d", ÷nd);
printf("Enter divisor: ");
scanf("%d", &divisor);
quotient = dividend / divisor;
remainder = dividend % divisor;
printf("Quotient = %d\n", quotient);
printf("Remainder = %d\n", remainder);
return 0;
}Output:
#include<stdio.h>
int main()
{
int a=10, b=20;
printf("Before swap a=%d b=%d",a,b);
a=a+b;
b=a-b;
a=a-b;
printf("\nAfter swap a=%d b=%d\n",a,b);
return 0;
}Output:
#include <stdio.h>
int main()
{
int a;
printf("Enter an integer: ");
scanf("%d", &a);
if(a % 2 == 0)
printf("%d is even.\n", a);
else
printf("%d is odd.\n", a);
return 0;
}Output:
#include <stdio.h>
int main()
{
int a, b;
printf("Enter two integers :");
scanf("%d%d", &a, &b);
if (a>b)
{
printf("Largest number is %d.\n", a);
}
else
{
printf("Largest number is %d.\n", b);
}
return 0;
}Output:
#include<stdio.h>
int main()
{
int a, b, c;
printf("\nEnter value of a, b, c:");
scanf("%d %d %d",&a,&b,&c);
if((a>b)&&(a>c))
{
printf("\n a is greatest\n");
}
else if((b>c)&&(b>a))
{
printf("\n b is greatest\n");
}
else
{
printf("\n c is greatest\n");
}
return 0;
}Output:
#include<stdio.h>
int main()
{
int marks;
printf("Enter your marks ");
scanf("%d",&marks);
if(marks<0 || marks>100)
{
printf("Wrong Entry\n");
}
else if(marks<50)
{
printf("Grade F\n");
}
else if(marks>=50 && marks<60)
{
printf("Grade D\n");
}
else if(marks>=60 && marks<70)
{
printf("Grade C\n");
}
else if(marks>=70 && marks<80)
{
printf("Grade B\n");
}
else if(marks>=80 && marks<90)
{
printf("Grade A\n");
}
else
{
printf("Grade A+\n");
}
return 0;
}Output:
#include <stdio.h>
#include <math.h>
int main()
{
double a, b, c, discriminant, root1, root2, realPart, imaginaryPart;
printf("Enter coefficients a, b and c: ");
scanf("%lf %lf %lf",&a, &b, &c);
discriminant = b*b-4*a*c;
if (discriminant > 0)
{
root1 = (-b+sqrt(discriminant))/(2*a);
root2 = (-b-sqrt(discriminant))/(2*a);
printf("root1 = %.2lf and root2 = %.2lf",root1 , root2);
}
else if (discriminant == 0)
{
root1 = root2 = -b/(2*a);
printf("root1 = root2 = %.2lf;", root1);
}
else
{
realPart = -b/(2*a);
imaginaryPart = sqrt(-discriminant)/(2*a);
printf("root1 = %.2lf+%.2lfi and root2 = %.2f-%.2fi", realPart, imaginaryPart, realPart, imaginaryPart);
}
return 0;
}Output:
#include <stdio.h>
int main()
{
int year;
printf("Enter a year: ");
scanf("%d",&year);
if(year%4 == 0)
{
if( year%100 == 0)
{
if ( year%400 == 0)
printf("%d is a leap year.\n", year);
else
printf("%d is not a leap year.\n", year);
}
else
printf("%d is a leap year.\n", year );
}
else
printf("%d is not a leap year.\n", year);
return 0;
}Output:
#include <stdio.h>
int main()
{ int n=5, i;
printf("Table of %d\n",n);
for(i=1; i<=10; ++i)
{
printf("%d * %d = %d \n", n, i, n*i);
}
return 0;
}Output:
#include <stdio.h>
int main()
{
int num1,num2;
float result;
char ch;
printf("Enter first number: ");
scanf("%d",&num1);
printf("Enter second number: ");
scanf("%d",&num2);
printf("Choose operation to perform (+,-,*,/,%): ");
scanf(" %c",&ch);
result=0;
switch(ch)
{
case '+':
result=num1+num2;
break;
case '-':
result=num1-num2;
break;
case '*':
result=num1*num2;
break;
case '/':
result=(float)num1/(float)num2;
break;
case '%':
result=num1%num2;
break;
default:
printf("Invalid operation.\n");
}
printf("Result: %d %c %d = %f\n",num1,ch,num2,result);
return 0;
}Output:
#include <stdio.h>
int main()
{
int n, reversedNumber = 0, remainder;
printf("Enter an integer: ");
scanf("%d", &n);
while(n != 0)
{
remainder = n%10;
reversedNumber = reversedNumber*10+ remainder;
n /= 10;
}
printf("Reversed Number = %d\n", reversedNumber);
return 0;
}Output:
#include <stdio.h>
int main()
{
int n, reversedInteger = 0, remainder,originalInteger;
printf("Enter an integer: ");
scanf("%d", &n);
originalInteger = n;
while( n!=0 )
{
remainder = n%10;
reversedInteger =reversedInteger*10 + remainder;
n /= 10;
}
if (originalInteger == reversedInteger)
printf("%d is a palindrome.\n", originalInteger);
else
printf("%d is not a palindrome.\n", originalInteger);
return 0;
}Output:
#include <stdio.h>
int main()
{
int n, i, flag = 0;
printf("Enter a positive integer: ");
scanf("%d", &n);
for(i = 2; i <= n-1; i++)
{
if(n%i == 0)
{
flag = 1;
break;
}
}
if (n == 1)
{
printf("1 is neither a prime nor a composite number.\n");
}
else
{
if (flag == 0)
printf("%d is a prime number.\n", n);
else
printf("%d is not a prime number.\n", n);
}
return 0;
}Output:
#include <stdio.h>
int main(void)
{
for(int i=2;i<100;i++)
{
for(int j=2;j<i;j++)
{
if(i%j==0)
break;
else if(i==j+1)
printf("%d\n",i);
}
}
}Output:
#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 += remainder*remainder*remainder;
originalNumber /= 10;
}
if(result == number)
printf("%d is an Armstrong number.\n",number);
else
printf("%d is not an Armstrong number.\n",number);
return 0;
}Output:
#include <stdio.h>
int main()
{
int i, j;
for(i=1; i<=4; ++i)
{
for(j=1; j<=i; ++j)
{
printf("%d ",j);
}
printf("\n");
}
return 0;
}Output:
#include <stdio.h>
int main()
{
int i, j, number= 1;
for(i=1; i <= 4; i++)
{
for(j=1; j <= i; ++j)
{
printf("%d ", number);
++number;
}
printf("\n");
}
return 0;
}Output:
#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");
for(i = 0; i < n; ++i)
{
printf("Enter Number %d: ", i+1);
scanf("%f", &arr[i]);
}
for(i = 1; i < n; ++i)
{
if(arr[0] < arr[i])
arr[0] = arr[i];
}
printf("Largest element = %.2f\n", arr[0]);
return 0;
}Output:
#include <stdio.h>
int main()
{
int n, sum = 0, c, value;
printf("How many numbers you want to add?\n");
scanf("%d",&n);
printf("Enter %d integers\n", n);
for (c = 1; c <= n; c++)
{
scanf("%d", &value);
sum = sum +value;
}
printf("Sum of the integers = %d\n", sum);
return 0;
}Output:
#include <stdio.h>
int main()
{
int r, c, a[100][100], b[100][100], sum[100][100], i, j;
printf("Enter number of rows (between 1 and 100): ");
scanf("%d", &r);
printf("Enter number of columns (between 1 and 100): ");
scanf("%d", &c);
printf("\nEnter elements of 1st 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]);
}
}
printf("Enter elements of 2nd 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", &b[i][j]);
}
}
for(i=0;i<r;++i)
{
for(j=0;j<c;++j)
{
sum[i][j]=a[i][j]+b[i][j];
}
}
printf("\nSum of two matrices: \n");
for(i=0;i<r;++i)
{
for(j=0;j<c;++j)
{
printf("%d ",sum[i][j]);
if(j==c-1)
{
printf("\n\n");
}
}
return 0;
}Output:
#include <stdio.h>
int main()
{
int a[10][10], b[10][10], result[10][10], r1, c1, r2, c2, i, j, k;
printf("Enter rows and column for first matrix: ");
scanf("%d %d", &r1, &c1);
printf("Enter rows and column for second matrix: ");
scanf("%d %d",&r2, &c2);
while (c1 != r2)
{
printf("Error! column of first matrix not equal to row of second.\n\$
printf("Enter rows and column for first matrix: ");
scanf("%d %d", &r1,&c1);
printf("Enter rows and column for second matrix: ");
scanf("%d %d",&r2, &c2);
}
printf("\nEnter elements of matrix 1:\n");
for(i=0; i<r1; ++i)
{
for(j=0; j<c1; ++j)
{
printf("Enter elements a%d%d: ",i+1, j+1);
scanf("%d", &a[i][j]);
}
}
printf("\nEnter elements of matrix 2:\n");
for(i=0; i<r2; ++i)
{
for(j=0; j<c2; ++j)
{
printf("Enter elements b%d%d: ",i+1, j+1);
scanf("%d",&b[i][j]);
}
}
for(i=0; i<r1; ++i)
{
for(j=0; j<c2; ++j)
{
result[i][j] = 0;
}
}
for(i=0; i<r1; ++i)
for(j=0; j<c2; ++j)
for(k=0; k<c1; ++k)
{
result[i][j]+a[i][k]*b[k][j];
}
printf("\nOutput Matrix:\n");
for(i=0; i<r1; ++i)
for(j=0; j<c2; ++j)
{
printf("%d ",result[i][j];
if(j == c2-1)
printf("\n\n");
}
return 0;
}Output:
#include <stdio.h>
#include <string.h>
int main()
{
char string1[20];
int i, length;
int flag = 0;
printf("Enter a string:");
scanf("%s", string1);
length = strlen(string1);
for(i=0;i < length ;i++)
{
if(string1[i] != string1[length-i-1])
{
flag = 1;
break;
}
}
if (flag)
{
printf("%s is not a palindrome\n", string1);
}
else
{
printf("%s is a palindrome\n", string1);
}
return 0;
} Output:
25) Program to perform basic operations like length of string, string concat, string copy, string compare and string reverse
#include <stdio.h>
#include <stdlib.h>
int find_length(char string[]) {
int len = 0, i;
for (i = 0; string[i] != '\0'; i++) {
len++;
}
return len;
}
void join_strings(char string1[], char string2[]) {
int i, len1, len2;
len1 = find_length(string1);
len2 = find_length(string2);
for (i = len1; i < len1 + len2; i++) {
string1[i] = string2[i - len1];
}
string1[i] = '\0';
}
int compare_strings(char string1[], char string2[]) {
int len1, len2, i, count = 0;
len1 = find_length(string1);
len2 = find_length(string2);
if (len1 != len2)
return 1;
for (i = 0; i < len1; i++) {
if (string1[i] == string2[i])
count++;
}
if (count == len1)
return 0;
return 1;
}
void copy_string(char destination[], char source[]) {
int len, i;
len = find_length(source);
for (i = 0; i < len; i++) {
destination[i] = source[i];
}
destination[i] = '\0';
}
int main() {
char string1[20], string2[20]; //string variables declaration with size 20
int choice;
while (1) {
printf("\n1. Find Length \n2. Concatenate \n3. Compare \n4. Copy \n5. Exit\n");
printf("Enter your choice: ");
scanf("%d", & choice);
switch (choice) {
case 1:
printf("Enter the string: ");
scanf("%s", string1);
printf("The length of string is %d", find_length(string1));
break;
case 2:
printf("Enter two strings: ");
scanf("%s%s", string1, string2);
join_strings(string1, string2);
printf("The concatenated string is %s", string1);
break;
case 3:
printf("Enter two strings: ");
scanf("%s%s", string1, string2);
if (compare_strings(string1, string2) == 0) {
printf("They are equal");
} else {
printf("They are not equal");
}
break;
case 4:
printf("Enter a string: ");
scanf("%s", string1);
printf("String1 = %s\n");
printf("After copying string1 to string 2\n");
copy_string(string2, string1);
printf("String2 = %s", string2);
break;
case 5:
exit(0);
}
}
return 0;
} Output:
#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:
#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:
#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:
#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:
#include<stdio.h>
int f(int);
int main()
{
int n, i = 0, c;
scanf("%d", &n);
printf("Fibonacci series terms are:\n");
for (c = 1; c <= n; c++)
{
printf("%d\n", f(i));
i++;
}
return 0;
}
int f(int n)
{
if (n == 0 || n == 1)
return n;
else
return (f(n-1) + f(n-2));
}
Output:
#include<stdio.h>
int main()
{
int n1=0,n2=1,n3,i,number;
printf("Enter the number of elements:");
scanf("%d",&number);
printf("\n%d %d\n",n1,n2);
for(i=2;i<number;++i)
{
n3=n1+n2;
printf(" %d\n",n3);
n1=n2;
n2=n3;
}
return 0;
} Output:
#include<stdio.h>
int avg(int,int,int,int,int);
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);
printf("Average of the numbers is %d\n",res);
return 0;
}
int avg(int a1,int a2,int a3,int a4,int a5)
{ int p;
p=(a1+a2+a3+a4+a5)/5;
return p;
}Output:
#include <stdio.h>
int main()
{
int array[100], search, c, n;
printf("Enter number of elements in array\n");
scanf("%d", &n);
printf("Enter %d integer(s)\n", n);
for (c = 0; c < n; c++)
scanf("%d", &array[c]);
printf("Enter a number to search\n");
scanf("%d", &search);
for (c = 0; c < n; c++)
{
if (array[c] == search)
{
printf("%d is present at location %d.\n", search, c+1);
break;
}
}
if (c == n)
printf("%d isn't present in the array.\n", search);
return 0;
}Output:
#include <stdio.h>
int main()
{
int c, first, last, middle, n, search, array[100];
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]);
printf("Enter value to find\n");
scanf("%d", &search);
first = 0;
last = n - 1;
middle = (first+last)/2;
while (first <= last) {
if (array[middle] < search)
first = middle + 1;
else if (array[middle] == search) {
printf("%d found at location %d.\n", search, middle+1);
break;
}
else
last = middle - 1;
middle = (first + last)/2;
}
if (first > last)
printf("Not found! %d isn't present in the list.\n", search);
return 0;
}Output:
#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])
{
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:
#include <stdio.h>
struct student
{
char name[50];
int roll;
float marks;
} s[10];
int main()
{
int i;
printf("Enter information of students:\n");
for(i=0; i<3; ++i)
{
s[i].roll = i+1;
printf("\nFor roll number%d,\n",s[i].roll);
printf("Enter name: ");
scanf("%s",s[i].name);
printf("Enter marks: ");
scanf("%f",&s[i].marks);
printf("\n");
}
printf("Displaying Information:\n\n");
for(i=0; i<3; ++i)
{
printf("\nRoll number: %d\n",i+1);
printf("Name: ");
puts(s[i].name);
printf("Marks: %.1f",s[i].marks);
printf("\n");
}
return 0;
} Output:
#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");
}
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:
#include <stdio.h>
int main() {
int a;
int *pt;
a = 10;
pt = &a;
printf("\n[&a ]:Address of A = %p", &a);
return 0;
}Output:
#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:
