#PPS ##personal details Name-Hardev
CRN-1915316
URN-1905790
Branch-CSE-C1
###1.To print name using puts
'#include<stdio.h> int main() {
puts("~~~~~~~~~~");
puts(" Hardev ");
puts("~~~~~~~~~~");
return 0;
}'
###2.to print 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;
}'
###3.program to add two integers '#include<stdio.h> int main() { int a,b,c; printf("enter th integers..."); scanf("%d%d",&a,&b); c=a+b; printf("sum is.....%d",c);
return 0;
}'
###4.program to compute 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;
}'
###5.program to swap two variables without using third 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;
}'
###6.program to check whether a number is even or odd
'#include<stdio.h>
void main()
{
int number;
printf("enter an integer");
scanf("%d", &number);
if(number % 2==0)
printf("%d is even.",number);
else
printf("%d is odd.",number);
} '
###7.program to find greatest of two numbers '#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;
} '
###8.program to find greatest of three numbers
'#include<stdio.h>
void main()
{
int a,b,c,big;
printf("enter three numbers");
scanf("%d %d %d,",&a,&b,&c,big);
if(a>b)
if(a>c)
big=a;
else big=c;
else if(b>c)
big=b;
else big=c;
printf("largest of %d,%d&%d=%d",a,b,c,big);
}'
###9.program to assign grade to student according to percentage '#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;
}'
###10.program to print roots of quadratic equation ' 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;
} '
###11.program to check year is leap or not '#include<stdio.h> int main() {
int year,temp;
printf("Enter the 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;
}'
###12.program to find 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;
}'
###13.program too make simple calculator using switch case ' 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;
} '
###14.program to clculate 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;
}'
###15.program to check whether a number is palindrome or not
'#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.",originalinteger);
else
printf("%d is not a palindrome.",reversedinteger);
return 0;
} '
###16.program to check whether a number is prime or not '#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;
} '
###17.program to print prime numbers from 1 to 100 '#include <stdio.h>
int main() { int i, Number, count;
printf(" Prime Number from 1 to 100 are: \n");
for(Number = 1; Number <= 100; Number++)
{
count = 0;
for (i = 2; i <= Number/2; i++)
{
if(Number%i == 0)
{
count++;
break;
}
}
if(count == 0 && Number != 1 )
{
printf(" %d ", Number);
}
}
return 0;
}'
###18.program to check whether a number is armstrong or not '#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;
} '
###19.program to print different patterns ####A. '#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;
}'
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;
}'
if (j==0 || i==0)
coef = 1;
else
coef = coef*(i-j+1)/j;
printf("%4d", coef);
}
printf("\n");
}
return 0;
}'
###20.program to find largest element from one 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;
}'
###21.program to find the sum of N natural numbers in an 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 no. of natural numbers you want to add: "); scanf("%d", &n);
printf("\n\nEnter %d natural numbers \n\n", n);
for(c = 0; c < n; c++)
{
scanf("%d", &array[c]);
sum += array[c];
}
printf("\n\nSum = %d\n\n", sum);
return 0;
}'
###22.program to add two matrices '#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;
}'
###23.program to multiply two matrices ' { 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;
}'
###24.progarm 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;
}'
###25.program to perform basic operations like length of string,string concat,string copy,string compare and string reverse
' 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;
}'
###26.programs to swap two numbers using call by value and call by reference ####A.call be 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);
}'
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);
}'
###27.program to find factorial of a number with or without recursion ####A.with 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;
} '
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;
}'
###28.program to write fibonacci series with or withou recursion ####A.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));
}
}'
for(i=0;i<n;i++)
{
if(i<=1)
next=i;
else
{
next=first+second;
first=second;
second=next;
}
printf("%d",next\n);
}
return 0;
} '
###29.program to calcuate average of two numbers five numbers using function '#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 %d",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;
} '
###30.program to implement linear and binary search ####A.linear '#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) /* If required element is found */ { 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;
}'
int main() { int a[10], first,i,last, middle, n, search;
printf("Enter number of elements\n"); scanf("%d",&n);
printf("Enter integers\n", n);
for(i = 0; i < n; i++) scanf("%d",&a[i]);
printf("Enter value to find\n"); scanf("%d", &search);
first = 0; last = n - 1; middle = (first+last)/2;
while(first <= last) { if(a[middle] < search) first = middle + 1;
else if(a[middle] == search) {
printf("%d found at location %d.\n", search, middle+1);
}
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;
}'
###31.program to implement bubble sort '#include<stdio.h>
int main() { int array[100], n, i, d, swap;
printf("Enter number of elements\n"); scanf("%d", &n);
printf("Enter %d integers\n", n);
for (i = 0; i < n; i++) scanf("%d", &array[i]);
for (i = 0 ; i < n - 1; i++)
{
for (d = 0 ; d < n - i - 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 (i = 0; i < n; i++) printf("%d\n", array[i]);
return 0;
} '
###32.program to store iformation of 10 students using array of structures ' 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;
}'
###33.program to comopute 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;
}'
###34.program to print the address of variable using pointers '#include <stdio.h> int main() { int a; int *pt;
a = 10; pt = &a;
printf("\n[&a ]:Address of A = %p", &a);
return 0;
}'
###35.program to access array elements usin 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;
}'
