PROGRAMMING FOR PROBLEM SOLVING

NAME - KOMALPREET SINGH

ROLL NO - 1915327

BRANCH - COMPUTER SCIENCE

SECTION - CSE (C1)

PROGRAM NO 1 : PROGRAM TO PRINT WELCOME MESSAGE

#include <stdio.h>
void main ()
{
puts ("Welcome Budding Engineers");
}

OUTPUT

Welcome Budding Engineers

PROGRAM NO : 2 PROGRAM TO PRINT THE ADDRESS

include <stdio.h>
void main ()
{
puts ("House Number : 111");
puts ("Street Number : 2");
puts ("XYZ Nagar ");
puts ("Patiala");
}

OUTPUT

House Number : 111
Street Number : 2
XYZ Nagar
Patiala

PROGRAM NO 3 : PROGRAM TO FIND THE SUM OF TWO NUMBERS

#include <stdio.h>
int main ()
{
int a,b,c;
printf ("Enter first variable : ");
scanf ("%d",&a);
printf("Enter second variable : ");
scanf ("%d",&b);
c = a+b;
printf("Sum of two variables is : %d\n",c);
return 0;
}

OUTPUT

Enter first variable : 10
Enter second variable : 20
Sum of two variables is : 30

PROGRAM NO 4 : PROGRAM TO CONVERT TEMPERATURE FROM CELCIUS TO FAHRENHEIT

#include <stdio.h>
void main ()
{
float num1,num2;
printf ("\nEnter value in centigrade:\n");
scanf ("%f",&num1);
num2 = (num1*9/5)+32;
printf ("\nValue in farenheit is :%.2f\n",num2 );
}

OUTPUT

Enter value in centigrade:
100

Value in farenheit is :212.00

PROGRAM NO 5 : PROGRAM TO FIND AREA AND PERIMETER OF A CIRCLE

#include <stdio.h>
int main ()
{
float radius,area, peri,pi=3.14 ;
printf("Enter radius of circle :");
scanf ("%f",&radius);
area=pi*radius*radius;
peri=2*pi*radius;
printf("Area of circle : %f,",area);
printf("Perimeter of circle : %f",peri);
return 0;
}

OUTPUT

Enter radius of circle :5
Area of circle : 78.500000,Perimeter of circle : 31.400002

PROGRAM NO 6 : PROGRAM TO SWAP TWO NUMBERS 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 ("\nThe swaped values of a : %d\n",a);
printf ("\nThe swaped value of b : %d \n",b);
return 0;
}

OUTPUT

Enter the value of a :10

Enter the value of b :20

The swaped values of a : 20

The swaped value of b : 10

PROGRAM NO 7 : PROGRAM TO CHECK WHETHER THE NUMBER IS EVEN OR ODD

#include <stdio.h>
int oddeven(int num1);
int main ()
{
int s ;
printf ("Enter the integer:");
scanf ("%d",&s);
oddeven (s);
return 0;
}
int oddeven(int num1)
{
if (num1%2==0)
printf ("The number is even");
else
printf ("The number is odd:");
return 0;
}

OUTPUT

Enter the integer:177
The number is odd

PROGRAM NO 8 : PROGRAM TO FIND FACTORIAL OF A NUMBER

#include <stdio.h>
void main()
{
int a,n=1,i;
printf("enter i : ");
scanf("%d",&i);
for(a=1;a<=i;a++)
n=n*a;
printf("factorial of i is %d \n",n);
}

OUTPUT

enter i : 5
factorial of i is 120

PROGRAM NO 9 : PROGRAM TO REVERSE A NUMBER

#include <stdio.h>
int main ()
{
int n , reverse =0;
printf ("Enter the number to be reversed:\n");
scanf ("%d",&n);

while(n!=0)
{
reverse = reverse*10;
reverse = reverse + n%10;
n=n/10;
}
printf ("Reverse number is:%d\n",reverse);
return 0;
}

OUTPUT

Enter the number to be reversed:
1598
Reverse number is:8951

PROGRAM NO 10 : PROGRAM TO PRINT FIZZBUZZ

#include <stdio.h>
void main()
{
int a,i;
printf("enter the number ");
scanf("%d",&a);
for(i=1;i<=a;i++)
{ if (i%15==0)
printf("fizzbuzz\n");
else if(i%5==0)
printf("buzz\n");
else if(i%3==0)
printf("fizz\n");
else
printf("%d\n",i);
}
return 0;
}

OUTPUT

enter number 30
1
2
fizz
4
buzz
fizz
7
8
fizz
buzz
11
fizz
13
14
fizzbuzz
16
17
fizz
19
buzz
fizz
22
23
fizz
buzz
26
fizz
28
29
fizzbuzz

PROGRAM NO 11 : PROGRAM TO PRINT DAYS OF A WEEK

#include <stdio.h>
int main ()
{
int day;
printf ("Enter the number of day (Consider Monday = 1 and Sunday = 7) : ");
scanf ("%d",&day);
switch (day)
{
case 1:
printf ("\nToday is Monday\n ");
break;
case 2:
printf ("\nToday is Tuesday\n");
break;
case 3:
printf ("\nToday is Wednesday\n");
break;
case 4:
printf("\nToday is Thursday\n");
break;
case 5:
printf ("\nToday is Friday\n");
break ;
case 6:
printf ("\nToday is Saturday\n");
break;
case 7:
printf("\nToday is Sunday\n");
break;
default :
printf ("Please Enter a valid number ");
}
return 0;
}

OUTPUT

Enter the number of day (Consider Monday = 1 and Sunday = 7) : 3

Today is Wednesday

PROGRAM NO 12 : PROGRAM TO MAKE A CALCULATOR

#include <stdio.h>
int main ()
{
int num1,num2;
char ch;
float result;
printf ("Enter the first number:");
scanf ("%d",&num1);
printf ("Enter the second number:");
scanf ("%d",&num2);
printf ("Choose the 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 = num1/num2;
break;
default:
printf ("Invalid operation.\n");
}
printf ("Result: %d %c %d = %f\n",num1,ch,num2,result);
return 0;
}

OUTPUT

Enter the first number:106
Enter the second number:67-
Choose the operation to perform(+,-,*,/):Result: 106 - 67 = 39.000000

PROGRAM NO 13 : PROGRAM TO CHECK WHETHER A YEAR IS LEAP YEAR OR NOT

#include <stdio.h>
int main ()
{
int year;
printf("Enter the year : ");
scanf ("%d",&year);

if (year%4==0)
{
if (year%100==0)

    {    
       if (year%400==0)  
         printf ("%d is a leap year");   
       else   
         printf ("%d is not a leap year");  
         }  
        
         else   
            printf ("%d is not a leap year");  
          }  
         else   
            printf ("%d is a leap year");   
   return 0;  

}

OUTPUT

Enter the year : 2019
2019 is not a leap year

PROGRAM NO 14 : PROGRAM TO CHECK WHETHER A NUMBER IS PRIME OR NOT

#include <stdio.h>
int main () {
int n,i,flag=0;
printf ("Enter the number : ");
scanf ("%d",&n);
for (i=2 ; i<=n/2 ; i++)
{
if (n%i == 0)
{
flag = 1;
break;
}
}
if (n==1)
{
printf ("1 is neither a prime nor a composite number ");
}
else
{
if (flag ==0) printf ("%d is a prime number.",n);
else
printf ("%d is not a prime number.",n);
}
return 0;
}

OUTPUT

Enter the number : 235
235 is not a prime number

PROGRAM NO 15 : PROGRAM TO CHECK WHETHER A NUMBER IS PALLINDROME OR NOT

#include <stdio.h>
int main ()
{
int n, reverse=0,t;
printf("Enter a number to check if it is a palindrome or not\n");
scanf("%d",&n);
t=n;
while (t!=0)
{
reverse = reverse*10;
reverse = reverse + t % 10;
t = t/10;
}
if (n==reverse)
printf ("%d is a palindrome number.\n",n);
else
printf ("%d is not a palindrome number.\n",n);
return 0;
}

OUTPUT

Enter a number to check if it is a palindrome or not
1221
1221 is a palindrome number.

PROGRAM NO 16 : PROGRAM TO PRINT FIBONACCI SERIES

#include <stdio.h>
int main ()

{
int i,n,t1=0,t2=1,next;
printf("Enter the number of terms :");
scanf ("%d",&n);
printf ("Fibonacci Series ");
for (i=1;i<=n;i++)
{
printf ("\t%d\t",t1);
next = t1+t2;
t1=t2;
t2=next; }
return 0;
}

OUTPUT

Enter the number of terms :9
Fibonacci Series 0 1 1 2 3 5 8 13 21

PROGRAM NO 17 : PROGRAM TO ENTER AND PRINT ELEMENTS USING 1-D ARRAY

#include <stdio.h>
int main ()
{
int values [10],i;
for (i=0;i<10;i++)
{
printf ("Enter [%d] :",i);
scanf ("%d",&values[i]);
}
printf ("\n Printing elements of the array : \n");
for (i=0;i<10;i++)
{
printf ("%d\n",values[i]);
}
return 0;
}

OUTPUT

Enter [0] :12
Enter [1] :33
Enter [2] :54
Enter [3] :76
Enter [4] :123
Enter [5] :33
Enter [6] :98
Enter [7] :45
Enter [8] :66
Enter [9] :75

Printing elements of the array : 12 33 54 76 123 33 98 45 66 75

PROGRAM NO 18:-PROGRAM TO PRINT A MATRIX

#include <stdio.h>
int main ()
{
int i,j,m,n;
int matrix[10][20];
printf ("Enter the number of rows:");
scanf ("%d",&m);
printf ("Enter the number of columns:");
scanf ("%d",&n);

for (i=0;i<m;i++)
{
for (j=0;j<n;j++)
{
printf ("Enter data in [%d][%d]:",i,j);
scanf ("%d",&matrix [i][j]);
}
}

for (i=0;i<m;i++)
{
for (j=0;j<n;j++)
{ printf ("%d\t",matrix[i][j]);

}
printf ("\n");
}
return 0;
}

OUTPUT

Enter the number of rows:2
Enter the number of columns:2
Enter data in [0][0]:12
Enter data in [0][1]:34
Enter data in [1][0]:65
Enter data in [1][1]:77
12 34
65 77

PROGRAM NO 19:-PROGRAM TO ADD TWO MATRIX

#include <stdio.h>
int main ()
{
int i,j,a[10][10],b[10][10],sum[10][10],m,n; printf ("Enter the number of Rows\n Enter the number of Columns:");
scanf ("%d %d",&m,&n);
for (i=0;i<m;i++)
{
for (j=0;j<n;j++)
{
printf ("Enter value of first matrix (%d %d) : ",i,j);
scanf ("%d",&a[i][j]);
}
}
for (i=0;i<m;i++)
{
for (j=0;j<n;j++)
{
printf ("Enter value of second matrix (%d %d) : ",i,j);
scanf ("%d",&b[i][j]);
}
}
printf ("Sum of entered matrices :\n");
for (i=0;i<m;i++)
{
for(j=0;j<n;j++)
{
sum [i][j]=a[i][j] + b[i][j];
printf ("%d\t",sum [i][j]);
}
printf ("\n");
}
return 0;
}

OUTPUT

Enter the number of Rows
Enter the number of Columns:2 2
Enter value of first matrix (0 0) : 12
Enter value of first matrix (0 1) : 66
Enter value of first matrix (1 0) : 34
Enter value of first matrix (1 1) : 25
Enter value of second matrix (0 0) : 22
Enter value of second matrix (0 1) : 34
Enter value of second matrix (1 0) : 97
Enter value of second matrix (1 1) : 4
Sum of entered matrices :
34 100
131 29

PROGRAM NO 20:-PROGRAM TO TRANSPOSE A MATRIX

#include <stdio.h>

void main()
{
static int array[10][10];
int i, j, m, n;

printf("Enter the order of the matrix \n");
scanf("%d %d", &m, &n);
printf("Enter the coefiicients of the matrix\n");
for (i = 0; i < m; ++i)
{
for (j = 0; j < n; ++j)
{
scanf("%d", &array[i][j]);
}
}
printf("The given matrix is \n");
for (i = 0; i < m; ++i)
{
for (j = 0; j < n; ++j)
{
printf(" %d", array[i][j]);
}
printf("\n");
} printf("Transpose of matrix is \n"); for (j = 0; j < n; ++j) { for (i = 0; i < m; ++i) { printf(" %d", array[i][j]); } printf("\n"); } }`

OUTPUT

Enter the order of the matrix
3 3
Enter the coefiicients of the matrix
3 7 9
2 7 5
6 3 4
The given matrix is
3 7 9
2 7 5
6 3 4
Transpose of matrix is
3 2 6
7 7 3
9 5 4

PROGRAM NO 21:-PROGRAM TO SUBTRACT TWO MATRIX

#include <stdio.h>
int main ()
{
int i,j,a[10][10],b[10][10],minus[10][10],m,n;
printf("Enter the number of Rows :");
scanf ("%d",&m);
printf ("Enter the number of columns :");
scanf ("%d",&n);
for (i=0 ; i<m ; i++)
{
for (j=0 ; j<n ;j++)
{
printf("Enter value of first matrix(%d %d) : ",i,j);
scanf ("%d",&a[i][j]);
}
}
for(i=0;i<m;i++)
{
for (j=0;j<n;j++)
{
printf ("Enter value of second matrix (%d %d) : ",i,j);
scanf ("%d",&b[i][j]);
}
}
for (i=0;i<m;i++)
{
for (j=0;j<n;j++)
{
minus [i][j] = a[i][j] - b[i][j] ;
printf ("%d\t",minus[i][j] );
}
printf ("\n");
}
return 0;

OUTPUT

Enter the number of Rows :2
Enter the number of columns :2
Enter value of first matrix(0 0) : 143
Enter value of first matrix(0 1) : 32
Enter value of first matrix(1 0) : 56
Enter value of first matrix(1 1) : 78
Enter value of second matrix (0 0) : 22
Enter value of second matrix (0 1) : 9
Enter value of second matrix (1 0) : 19
Enter value of second matrix (1 1) : 56
121 23
37 22

PROGRAM NO 22:- PROGRAM TO MULTIPLY TWO MATRIX

#include<stdio.h>
void main()
{
int a[10][10],b[10][10],c[10][10],i,j,k,r1,c1,r2,c2;
int sum=0;
printf("Enter number of rows and columns of first matrix (MAX 10)\n");
scanf("%d%d",&r1,&c1);
printf("Enter number of rows and columns of second matrix MAX 10)\n");
scanf("%d%d",&r2,&c2);
if(r2==c1)`` {`

    `printf("\n Enter First Matrix:");`  
    `for(i=0; i<r1; i++)`  
    `{`  
        `for(j=0; j<c1; j++)`  
          `  scanf("%d",&a[i][j]);`  
    `}`  
    `printf("\n Enter Second Matrix: ");`  
   ` for(i=0; i<r2; i++)`  
    `{`  
       ` for(j=0; j<c2; j++)`  
          `  scanf("%d",&b[i][j]);`  
   ` }`  
    `printf("The First Matrix Is: \n");`  
   ` for(i=0; i<r1; i++)`  
    `{`  
       ` for(j=0; j<c1; j++)`  
          `  printf(" %d ",a[i][j]);`  
        `printf("\n");`  
   ` }`  
   ` printf("The Second Matrix Is:\n");`  
  `  for(i=0; i<r2; i++)`  
  `  {`  
      `  for(j=0; j<c2; j++)`  
          `  printf(" %d ",b[i][j]);`  
       ` printf("\n");`  
    `}`  
   ` printf("Multiplication of the Matrices:\n");`  
  `  for(i=0; i<r1; i++)`  
   ` {`  
      `  for(j=0; j<c2; j++)`  
       ` {`  
          `  c[i][j]=0;`  
            `for(k=0; k<r1; k++)`  
                `c[i][j]+=a[i][k]*b[k][j];`  
            `printf("%d  ",c[i][j]);`  
       ` }`  
       ` printf("\n");`  
   ` }`  

}
else
{
printf("Matrix Multiplication is Not Possible");
}
}

OUTPUT

Enter number of rows and columns of first matrix (MAX 10)
3
3
Enter number of rows and columns of second matrix MAX 10)
3
3

Enter First Matrix:2 2 2 2 2 2 2 2 2
Enter Second Matrix: 3 3 3 3 3 3 3 3 3
The First Matrix Is:
2 2 2
2 2 2
2 2 2
The Second Matrix Is:
3 3 3
3 3 3
3 3 3
Multiplication of the Matrices:
18 18 18
18 18 18
18 18 18