Name - Hemangi Jain CRN -1915318 Branch - CSE-C1
/* Program to print your name */
#include<stdio.h> int main() {
puts(""); puts("Hemangi Jain"); puts("");
return 0; }
/* 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; }
/* 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;
}
/* 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; }
/* 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; }
/* 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; }
/* 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; }
/* 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; }
/* 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; }
/*Program to print roots */
#include <stdio.h> #include <stdlib.h> #include <math.h>
int main() { float a, b, c, root1, root2; float realp, imagp, disc;
printf("Enter the values of a, b and c \n"); scanf("%f %f %f", &a, &b, &c);
/* If a = 0, it is not a quadratic equation */
if (a == 0 || b == 0 || c == 0) { printf("Error: Roots cannot be determined \n"); exit(1); } else { disc = b * b - 4.0 * a * c; if (disc < 0) { printf("Imaginary Roots\n"); realp = -b / (2.0 * a) ; imagp = sqrt(abs(disc)) / (2.0 * a); printf("Root1 = %f +i %f\n", realp, imagp); printf("Root2 = %f -i %f\n", realp, imagp); }
else if (disc == 0) { printf("Roots are real and equal\n"); root1 = -b / (2.0 * a); root2 = root1; printf("Root1 = %f\n", root1); printf("Root2 = %f\n", root2); }
else if (disc > 0 ) { printf("Roots are real and distinct \n"); root1 =(-b + sqrt(disc)) / (2.0 * a); root2 =(-b - sqrt(disc)) / (2.0 * a); printf("Root1 = %f \n", root1); printf("Root2 = %f \n", root2); }
} return 0; }
/* 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%100==0) { if(year%400==0) printf("\nLeap year..."); }
else { if(year%4==0) printf("\nLeap year...");
else printf("\nNot a Leap year..."); }
return 0; }
/* 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; }
/* 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; }
/* 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; }
/* 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; }
/* 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;
}
/* 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;
}
/* 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; }
/* 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; }
/* 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; }
/* 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; }
/* 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; }
/* 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; }
#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; }
#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; }
25) Program to perform basic operations like lenghth of string ,string concat, string copy ,string compare and string reverse.
///fundamental string operation, lenth, concatenation, compare and copy strings without string.h
#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'; //adding null character at the end of input } /returns 0 if thery are same otherwise returns 1/
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; }
#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; }
#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); }
#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; }
#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; }
/* 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;
} }
#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)); } }
/* 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; }
/* 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");
}
/* 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; }
#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; }
#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; }
#include <stdio.h> int main() { int a; int *pt;
a = 10; pt = &a;
printf("\n[&a ]:Address of A = %p", &a);
return 0; }
#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; }