Blood Donation M.H.Saboo Siddik College of Engineering, Computer Engineering Dept. in Association with Giants Group of Byculla organises "Blood Donation Drive" on 20th March 2018. Be a part of it. Be a hero. Donate blood.

Dr. Z. A. Usmani's Farewell

A Small tribute to Usmani Sir on his retirement.

SPA 40 Programs Solution

1.       Write a program to accept a two digit number and display it in reversed form.

Solution: #include<stdio.h> void main() {     int no, unit, ten,rev=0;     printf("\n Enter the no:");     scanf("%d",&no);     unit=no%10;     ten=no/10;     rev=unit*10+ten;     if(no%10==0)         printf("The reverse of the no is 0%d",rev);     else         printf("The reverse of the no is %d",rev); } Output: Enter the no:50 The reverse of the no is 05

2.       Write a program to display the first n natural numbers, where the value of n is taken from user.

Solution: #include<stdio.h> void main() {     int n,i,sum=0;     printf("\n Enter the value of n:");     scanf("%d",&n);     for(i=1;i<=n;i++)     {         sum=sum+i;     }     printf("The sum of n natural nos is %d",sum); } Output: Enter the value of n:5 The sum of n natural nos is 15

3.       Write a program to find the factorial of a number.

Solution: #include<stdio.h> void main() {     int n,i,fact=1;     printf("\n Enter the no whose factorial you want to find:");     scanf("%d",&n);     for(i=1;i<=n;i++)     {         fact=fact*i;     }     printf("%d!=%d",n,fact); } Output: Enter the no whose factorial you want to find:5 5!=120

4.       Write a program to display the multiplication table of a user entered number. The table must be upto 10.

Solution: #include <stdio.h> int main() {     int n, i, j;     printf("Enter an integer to find multiplication table: ");     scanf("%d",&n);     for(i=1;i<=n;++i)     {         for(j=1;j<=10;j++)         {             printf("%d\t", i*j);         }         printf("\n");     }     return 0; } Output: Enter an integer to find multiplication table: 4 1       2       3       4       5       6       7       8       9       10 2       4       6       8       10      12      14      16      18      20 3       6       9       12      15      18      21      24      27      30 4       8       12      16      20      24      28      32      36      40

5.       Write a program to calculate the value of the following series. 1/2 + 1/3 +1/4…..1/n

Solution: #include <stdio.h> int main() {     int n, i;     float sum=0.0;     printf("Enter an integer No: ");     scanf("%d",&n);     for(i=2;i<=n;++i)     {         sum=sum+(float)1/i;     }     printf("\nThe sum of series 1/2+1/3+...1/n is %f",sum);     return 0; } Output: Enter an integer No: 5 The sum of series 1/2+1/3+...1/n is 1.283333

6.       Write a program to display the following for the user’s specified number of lines. * ** ***    **** ***** |                              n lines

Solution: #include <stdio.h>  int  main() { int i,j,n; printf("Enter line no:"); scanf("%d",&n); for ( i = 1; i <= n; i++) {  for ( j = 1; j <= i; j++)  {      printf("*");  }  printf("\n"); } return 0; } Output: Enter line no:6 * ** *** **** ***** ******

7.       Write a program to display the following for the user specified number of lines.        *       **      ***           ****    *****   ******      |    n lines

Solution: #include <stdio.h>  int  main() { int i,j,n; printf("Enter line no:"); scanf("%d",&n); for ( i = 1; i <= n; i++) {  for ( j = n; j >= i; j--)  {      printf(" ");  }  for ( j = 1; j <=i; j++)  {      printf("* ");  }  printf("\n"); } return 0; } Output: Enter line no:6       *      * *     * * *    * * * *   * * * * *  * * * * * *

8.       Write  a program to display the following asking the user for the number of lines 1 1 2 1 2 3 1 2 3 4

Solution: #include <stdio.h>  int  main() { int i,j,n; printf("Enter line no:"); scanf("%d",&n); for ( i = 1; i <= n; i++) {  for ( j = 1; j <= i; j++)  {      printf("%d",j);  }  printf("\n"); } return 0; } Output: Enter line no:5 1 12 123 1234 12345

9.       Write a program to display the following asking the user for the number of lines.                                         1                                       1 2 A                                    1 2 3 A B                                   1 2 3 4 A B C

Solution: #include <stdio.h> int main() {                 int i,j,k,l,n, alpha=65;                 printf("Enter line no:");               scanf("%d",&n);                 for(i=1;i<=n;i++)   //Row                 {                     for(j=n;j>i;j--)                     {                         printf(" ");                     }                     for(k=1;k<=i;k++) // inner loop for no triangle                     {                         printf("%d",k);                     }                     for(alpha=65,l=1;l<i;l++,alpha++) // inner loop for alphabet triangle                     {                         printf("%c",(char)alpha);                     }                     printf("\n");                 }                 return 0; } Output: Enter line no:5     1    12A   123AB  1234ABC 12345ABCD

10.   Write a program to check if the entered number is prime number or not.

Solution: #include<stdio.h> int main() {     int n,i;     printf("Enter the No:");     scanf("%d",&n);     for(i=2;i<n;i++)     {         if(n%i==0)             break;     }     if(i==n)     {          printf("%d is a Prime no\n",n);     }     else     {          printf("%d is not a Prime no\n",n);     }     return 0; } Output: Enter the No:11 11 is a Prime no

11.   Write a program to check if the entered number is Armstrong or not.

Solution: /* C program to check whether a number entered by user is Armstrong or not. */ #include <stdio.h> #include<math.h> int main() {   int n, n1, rem, len=0, arm=0;   printf("Enter a positive  integer: ");   scanf("%d", &n);   n1=n;   while(n1!=0)   {       len++;       n1/=10;   }   n1=n;   while(n1!=0)   {       rem=n1%10;       arm=arm+pow(rem,len);       n1/=10;   }   if(arm==n)     printf("%d is an Armstrong number.",n);   else     printf("%d is not an Armstrong number.",n); } Output: Enter a positive  integer: 153 153 is an Armstrong number.

12.   Write a program to check if the year entered is leap year or not.

Solution: #include<stdio.h> int main() {     int year;     printf("Enter any year: ");     scanf("%d",&year);     if(((year%4==0)&&(year%100!=0))||(year%400==0))          printf("%d is a leap year",year);     else          printf("%d is not a leap year",year);     return 0; } Output: Enter any year: 2016 2016 is a leap year

13.   Write a program to display the user entered number in words.

Solution: #include<stdio.h> int main() {    int no,no1,rem,rev=0;    printf("Enter the No:-> ");    scanf("%d",&no);     no1=no;     while (no1!=0)     {         rem = no1%10;         rev=rev*10+rem;         no1=no1/10;     }     no1=rev;    while(no1!=0)    {         rem=no1%10;         switch(rem)         {             case 1:             printf("One ");             break;             case 2:             printf("Two ");             break;             case 3:             printf("Three ");             break;             case 4:             printf("Four ");             break;             case 5:             printf("Five ");             break;             case 6:             printf("Six ");             break;             case 7:             printf("Seven ");             break;             case 8:             printf("Eight ");             break;             case 9:             printf("Nine ");             break;             case 0:             printf("Zero ");             break;             default:             printf("invalid number\nPlease try again ....\n");             break;         }         no1=no1/10;     }     return 0;  } Output: Enter the No:-> 405 Four Zero Five

14.   Write a program to find value of y using function, where y=xn.

Solution: #include<stdio.h> void power(void); int main() {     power();     return 0; } void power() {     int x,n,i,res=1;     printf("\n Enter the base and index:");     scanf("%d%d",&x,&n);     for(i=1;i<=n;i++)     {         res=res*x;     }     printf("%d^%d=%d",x,n,res); } Output: Enter the base and index:2 5 2^5=32

15.   Write a menu driven program to perform add / subtract / multiply / divide / modulus based on the users choice.

Solution: #include<stdio.h> int main() {     int choice,a,b,res;     printf("Enter the value of A and B\n");     scanf("%d%d",&a,&b);     printf("Enter your choice\n");     printf("Press 1 to Add\n");     printf("Press 2 to Subtract\n");     printf("Press 3 to Multiply\n");     printf("Press 4 to Divide\n");     scanf("%d",&choice);     switch(choice)     {         case 1: res=a+b;                 printf("%d+%d=%d",a,b,res);                 break;         case 2: res=a-b;                 printf("%d-%d=%d",a,b,res);                 break;         case 3: res=a*b;                 printf("%d*%d=%d",a,b,res);                 break;         case 4: printf("Quotient of %d/%d=%f",a,b,(float)a/b);                 printf("\nRemainder of %d/%d=%d",a,b,a%b);                 break;         default:printf("Invalid Input");     } } Output: Enter the value of A and B 3 5 Enter your choice Press 1 to Add Press 2 to Subtract Press 3 to Multiply Press 4 to Divide 4 Quotient of 3/5=0.600000 Remainder of 3/5=3

16.   Write a program to display the month name by accepting the month number from user.

Solution: #include<stdio.h> int main() {    int n;    printf("Month No:-> ");    scanf("%d",&n);    switch(n)    {                 case 1:                        printf("January\n");                        break;                 case 2:                        printf("February\n");                        break;                 case 3:                        printf("March\n");                        break;                 case 4:                        printf("April\n");                        break;                 case 5:                        printf("MAy\n");                        break;                 case 6:                        printf("June\n");                        break;                 case 7:                        printf("July\n");                        break;                 case 8:                        printf("August\n");                        break;                 case 9:                        printf("September\n");                        break;                 case 10:                        printf("October\n");                        break;                 case 11:                        printf("November\n");                        break;                 case 12:                        printf("December\n");                        break;                 default:                        printf("invalid Month number\nPlease try again ....\n");                        break;       }     return 0;  } Output: Month No:-> 6 June

17.   Write a program to find GCD and LCM of two numbers.

Solution: #include<stdido.h>  void main()  {      int i,a,b,min,max,lcm,hcf;      clrscr();      printf("Enter the two numbers:");      scanf("%d%d",&a,&b);      //find out smallest and largest and assign them to min and max variable respectively      a<b?(min=a,max=b):(min=b,max=a);      printf("%d%d",min,max);      for(i=min;i>=1;i--)      {  if(max%i==0&&min%i==0)  {   hcf=i;   break;  }      }      lcm=(a*b)/hcf;      printf("\nThe LCM=%d\nThe GCD=%d",lcm,hcf);      getch();  } Output: Enter the two numbers:90 75                                                                             7590                                                                           The LCM=450                                                                   The GCD=15

18.   Write a program to add two numbers using function.

Solution: #include<stdio.h> void add(void); int main() {     add();     return 0; } void add() {     int a,b,sum;     printf("\n Enter the nos to be added:");     scanf("%d%d",&a,&b);     sum=a+b;     printf("%d+%d=%d",a,b,sum); } Output: Enter the nos to be added: 12 87 12+87=99

19.   Write a program to find the factorial of a number using a function.

Solution: #include<stdio.h> void factorial(void); int main() {     factorial();     return 0; } void factorial() {     int n,i,fact=1;     printf("\n Enter the no whose factorial you want to find:");     scanf("%d",&n);     for(i=1;i<=n;i++)     {         fact=fact*i;     }     printf("%d!=%d",n,fact); } Output: Enter the no whose factorial you want to find:5 5!=120

20.   Write a program to find factorial of a given number, using a recursive function.

Solution: #include<stdio.h> int factorial(int); int main() {     int n,i,fact;     printf("\n Enter the no whose factorial you want to find:");     scanf("%d",&n);     fact= factorial(n);     printf("%d!=%d",n,fact);     return 0; } int factorial(int n) {     if(n==0)     {         return(1);     }     else     {         return(n*factorial(n-1));     } } Output: Enter the no whose factorial you want to find:5 5!=120

21.   Write a program to find value of y using recursive function, where y=xn.

Solution: #include<stdio.h> int power(int,int); int main() {     int x,n,i,res=1;     printf("\n Enter the base and index:");     scanf("%d%d",&x,&n);     res= power(x,n);     printf("%d^%d=%d",x,n,res);     return 0; } int power(int x,int n) {     if(n==0)     {         return(1);     }     else     {         return(x*power(x,n-1));     } } Output: Enter the base and index:2 5 2^5=32

22.   Write a program to accept ‘n’ integers from user into an array and display the average of these numbers.

Solution: # include<stdio.h> void main() {     int arr[20];     int i,n;     float sum=0,avg=0;     printf("How many elements you want in array: ");     scanf("%d",&n);     printf("Enter %d elements\n",n);     for(i=0;i<n;i++)     {         scanf("%d",&arr[i]);         sum = sum + arr[i];     }     printf("\n Sum of array elements = %f",sum);     avg = sum/10;     printf("\n Average = %f",avg); } Output: How many elements you want in array: 5 Enter 5 elements 1 1 1 1 1  Sum of array elements = 5.000000  Average = 0.500000

23.   Write a program to find an element in an array and display the index of the element.

Solution: #include<stdio.h> void main() {         int a[10]={1,0,3,6,8,9,5,8,0,2},d,i,c=0;         d=10;         printf("\nEnter the Element to be searched in the Array:");         scanf("%d",&d);         for(i=0;i<10;i++)         {             if(d==a[i])             {                 c++;                 printf("\n%d found at %d Location",d,i);             }         }         if(c==0)         {             printf("\n%d not found");         }         else         {             printf("\n%d found %d times",d,c);         } } Output: Enter the Element to be searched in the Array:8 8 found at 4 Location 8 found at 7 Location 8 found 2 times

24.   Write a program to sort numbers in ascending order.

Solution: #include<stdio.h> void main() {      int ar[100],j,n,i,tmp;      printf(" Enter the size of the array \t");      scanf("%d",&n);      printf("Now enter the elements in the array \t");      for(i=0;i<n;i++)      {            scanf("%d",&ar[i]);      }      printf("\n Array is : ");      for(i=0;i<n;i++)      {            printf("\t %d",ar[i]);      }      for(i=0;i<=n-2;i++)      {            for(j=i+1;j<=n-1;j++)            {                  if(ar[i]>ar[j])                  {                        tmp=ar[j];                        ar[j]=ar[i];                        ar[i]=tmp;                  }            }      }      printf("\n\n Array in the Ascending order is - \n");      for(i=0;i<n;i++)      {            printf("\t %d",ar[i]);      } } Output: Enter the size of the array    5 Now enter the elements in the array     8  9  2  -1 4  Array is :      8       9       2       -1      4  Array in the Ascending order is -          -1      2       4       8       9

25.    Write a program to accept ‘n’ integers from user into an array and display the largest element.

Solution: #include<stdio.h> void main() {      int ar[100],l,n,i;      printf(" Enter the size of the array \t");      scanf("%d",&n);      printf("Now enter the elements in the array \t");      for(i=0;i<n;i++)      {            scanf("%d",&ar[i]);      }      printf("\n Array is : ");      for(i=0;i<n;i++)      {            printf("\t %d",ar[i]);      }      for(l=ar[0],i=1;i<n;i++)      {         if(l<ar[i])         {             l=ar[i];         }      }      printf("\nLargest Element in Array is %d",l); } Output: Enter the size of the array    5 Now enter the elements in the array     8 9 6 10 2  Array is :      8       9       6       10      2 Largest Element in Array is 10

26.   Write a program to accept ‘n’ integers from user into an array and display the smallest element.

Solution: #include<stdio.h> void main() {      int ar[100],s,n,i;      printf(" Enter the size of the array \t");      scanf("%d",&n);      printf("Now enter the elements in the array \t");      for(i=0;i<n;i++)      {            scanf("%d",&ar[i]);      }      printf("\n Array is : ");      for(i=0;i<n;i++)      {            printf("\t %d",ar[i]);      }      for(s=ar[0],i=1;i<n;i++)      {         if(s>ar[i])         {             s=ar[i];         }      }      printf("\nLargest Element in Array is %d",s); } Output: Enter the size of the array    5 Now enter the elements in the array     8 9 2 6 10  Array is :      8       9       2       6       10 Largest Element in Array is 2

27.   Write a program to sort numbers in descending order.

Solution: #include<stdio.h> void main() {      int ar[100],j,n,i,tmp;      printf(" Enter the size of the array \t");      scanf("%d",&n);      printf("Now enter the elements in the array \t");      for(i=0;i<n;i++)      {            scanf("%d",&ar[i]);      }      printf("\n Array is : ");      for(i=0;i<n;i++)      {            printf("\t %d",ar[i]);      }      for(i=0;i<=n-2;i++)      {            for(j=i+1;j<=n-1;j++)            {                  if(ar[i]<ar[j])                  {                        tmp=ar[j];                        ar[j]=ar[i];                        ar[i]=tmp;                  }            }      }      printf("\n\n Array in the Descending order is - \n");      for(i=0;i<n;i++)      {            printf("\t %d",ar[i]);      } } Output: Enter the size of the array    5 Now enter the elements in the array     2 9 -1 3 8  Array is :      2       9       -1      3       8  Array in the Descending order is -          9       8       3       2       -1

28.   Write a program to add two matrices of size m x n.

Solution: #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: Enter the number of rows and columns of matrix 2 3 Enter the elements of first matrix 1 1 1 1 1 1 Enter the elements of second matrix 2 2 2 2 2 2 Sum of entered matrices:- 3       3       3 3       3       3

29.   Write a program to accept two strings, join them and display the result using string header file.

Solution: #include<stdio.h> #include<string.h> int main() {   char str1[20],str2[20];   puts("Enter first string");   gets(str1);   puts("Enter second string");   gets(str2);   printf("Before concatenation the strings are\n");   puts(str1);   puts(str2);   strcat(str1,str2);   printf("After concatenation the strings are\n");   puts(str1);   puts(str2);  return 0; } Output: Enter first string Ahlam Enter second string Ansari Before concatenation the strings are Ahlam Ansari After concatenation the strings are AhlamAnsari Ansari

30.   Write a program to accept a string and find its length without using the string header file.

Solution: #include <stdio.h> int main(void) {     char a[10];     int len;     puts("Enter the string");     gets(a);     for(len=0;a[len]!='\0';len++);     printf("Length of string :%s is %d",a,len); Output: Enter the string Ahlam Length of string :Ahlam is 5

31.   Write a program to reverse a user entered string.

Solution: #include<stdio.h> int main() {   int i=0,j=0;   char str[20],rev[20];   puts("Enter the string");   gets(str);   printf("Before reversing the string value is: %s",str);   while(str[i]!='\0')   {       i++;   }   i=i-1;   while(str[j]!='\0')   {       rev[j]=str[i];       j++;       i--;   }   rev[j]='\0';   printf("After reversing the string is %s",rev);   return 0; } Output: Enter the string ansari Before reversing the string value is: ansariAfter reversing the string is irasna

32.   Write a program to check whether the entered string is palindrome or not (Do not use the string header file).

Solution: #include <stdio.h> int main(void) {     char a[10];     int i,len;     puts("Enter the string");     gets(a);     for(len=0;a[len]!='\0';len++);     for(i=0;i<len/2;i++)     {         if(a[i]!=a[len-1-i])         {             break;         }     }     if(i==len/2)     {         printf("%s is palindrome",a);     }     else     {         printf("%s is not palindrome",a);     }     return 0; } Output: Enter the string nitin nitin is palindrome

33.   Write a program to swap two numbers using a function. Pass the values to be swapped to this function using call-by-value method.

Solution: #include<stdio.h> void swap(int,int); void main() {                 int a,b;                 printf("Enter the value of A");                 scanf("%d",&a);                 printf("Enter the value of B");                 scanf("%d",&b);                 printf("\nBefore Swapping : A=%d and B=%d",a,b);                 swap(a,b); } void swap(int a, int b) {     int t;     t=a;     a=b;     b=t;     printf("\nAfter Swapping : A=%d and B=%d",a,b); } Output: Enter the value of A4 Enter the value of B6 Before Swapping : A=4 and B=6 After Swapping : A=6 and B=4

34.   Write a program to swap two numbers using a function. Pass the values to be swapped to this function using call-by-reference method.

Solution: #include<stdio.h> void swap(int *,int *); void main() {                 int a,b;                 printf("Enter the value of A");                 scanf("%d",&a);                 printf("Enter the value of B");                 scanf("%d",&b);                 printf("\nBefore Swapping : A=%d and B=%d",a,b);                 swap(&a,&b); } void swap(int *aptr, int *bptr) {     int t;     t=*aptr;     *aptr=*bptr;     *bptr=t;     printf("\nAfter Swapping : A=%d and B=%d",*aptr,*bptr); } Output: Enter the value of A 10 Enter the value of B 12 Before Swapping : A=10 and B=12 After Swapping : A=12 and B=10

35.   Write a program to accept basic salary from the keyboard. Calculate the gross salary that includes basic salary, 60% DA and 45% HRA and exclude 10% income tax.

Solution: #include<stdio.h> #include<conio.h> void main() {                 float basic,gross,hra,da,it,net;                 clrscr();                 printf("Enter the Basic Salary");                 scanf("%f",&basic);                 da = basic*(float)60/100;                 hra = basic*(float)45/100;                 gross = basic+hra+da;                 it = gross*(float)10/100;                 net = gross-it;                 printf("\nBasic Salary: $%f/-",basic);                 printf("\nDA: $%f/-",da);                 printf("\nHRA: $%f/-",hra);                 printf("\nGross Salary: $%f/-",gross);                 printf("\nNet Salary: $%f/-",net);                 getch(); } Output: Enter the Basic Salary 2000                                                                             Basic Salary: $2000.000000/-                                                    DA: $1200.000000/-                                                              HRA: $800.000000/-                                                              Gross Salary: $4000.000000/-                                                    Net Salary: $3600.000000/-

36.   Write a program to accept three integer numbers from user and display the smallest of three using the conditional operator.

Solution: #include<stdio.h> void main() {                 int a,b,c;                 printf("Enter three integer numbers");                 scanf("%d%d%d",&a,&b,&c);                 (a<b&&a<c)?printf("%d is the Smallest",a):((b<a&&b<c)?printf("%d is the Smallest",b):printf("%d is the Smallest",c)); } Output: Enter three integer numbers1 4 -2 -2 is the Smallest

37.   Write a program to swap two integers without using temporary variable.

Solution: #include<stdio.h> #include<conio.h> void main() {                 int a,b;                 clrscr();                 printf("Enter the value of A");                 scanf("%d",&a);                 printf("Enter the value of B");                 scanf("%d",&b);                 printf("\nBefore Swapping : A=%d and B=%d",a,b);                 a=a+b;                 b=a-b;                 a=a-b;                 printf("\nAfter Swapping : A=%d and B=%d",a,b);                 getch(); }       Output: Enter the value of A 234                                                                             Enter the value of B                                                            123                                                                                                                                                           Before Swapping : A=234 and B=123                                               After Swapping : A=123 and B=234

38.   Write a program to generate n fibbonacci elements.

Solution: #include<stdio.h> int main() { int n,i, a=0,b=1,c; printf("Enter no. of elements you want to display in series"); scanf("%d",&n); printf("%d\t%d\t",a,b); for(i=1;i<=n-2;i++) { c=a+b; a=b; b=c; printf("%d\t",c); } return 0; } Output: Enter no. of elements you want to display in series6 0       1       1       2       3       5

39.   Write a program to accept three integer numbers from user and display the largest of three using if-else.

Solution: #include<stdio.h> void main() {       int a,b,c;      printf("Enter three integer numbers");      scanf("%d%d%d",&a,&b,&c);      if(a>b&&a>c)         printf("%d is the largest",a);     else if(b>a&&b>c)         printf("%d is the largest",b);     else         printf("%d is the largest",c); } Output: Enter three integer numbers 8 6 98 98 is the largest

40.   Write a program to accept n digit number and display it in reversed form.

Solution: #include<stdio.h> int main() {     int no,no1,rem=0, rno=0;     printf("Enter the no to be reversed");     scanf("%d",&no);     no1=no;     while (no!=0)     {         rem = no%10;         rno=rno*10+rem;         no=no/10;     }     if(no1%10==0)     {         printf("Reverse of %d is 0%d", no1, rno);     }     else     {         printf("Reverse of %d is %d", no1, rno);     }     return(0); } Output: Enter the no to be reversed7090 Reverse of 7090 is 0907