123444332-c-programs-class-11 12306q

COM P U TER SC IE NCE PROGR A MS IN C+ + 2011-2012

NAME: ALOK KUMAR ROLL NO: 05

1. Program to print “WELCOME IN C++”. #include void main() { cout <<"Welcome in C++ Programming"; }

OUTPUT Welcome in C++ Programming.

2. Program to find sum of two numbers. #include void main() { int num1,num2,sum; cout<<"Enter Number 1: "; cin>>num1; cout<<"Enter Number 2: "; cin>>num2; sum=num1+num2; cout<<"Sum of numbers: "<<sum; }

OUTPUT Enter Number 1: 5 Enter Number 2: 6 Sum of numbers: 11

3. Program to find square of a number. #include void main() { int num1,square; cout<<"Enter number: "; cin>>num1; square=num1*num1; cout<<"Square of number is: "<<square; }

OUTPUT Enter number:

5

Square of number is: 25

4. Program to check whether a number is greater than or less than other number. #include #include void main() { clrscr(); int num1,num2; cout<<"Enter value for num 1: ”; cin>>num1; cout<<"Enter value for num 2: "; cin>>num2; if(num1>num2) cout<<"Num1 is greater than num 2"; else cout<<"Num1 is smaller than num 2"; }

OUTPUT Enter value for num 1: 5 Enter value for num 2: 10 Num1 is smaller than num 2

5. Program to calculate percentage marks for three subjects. #include void main() { float English, Maths, Science, Sum, Percentage; cout<<"Enter marks of Subject ENGLISH, MATHS & SCIENCE: "; cin>>English>>Maths>>Science; Sum=English+Maths+Science; Percentage=Sum*100/300; cout<<"Percentage = "<
OUTPUT Enter marks of Subject ENGLISH, MATHS & SCIENCE: 90 98 95 Percentage = 94.33333333

6. Program that reads temperature in Celsius and displays it in Fahrenheit. #include void main() { int Celsius, Fahrenheit; cout<<"Enter temperature in degree CELCIUS:

";

cin>>Celsius; Fahrenheit=9*Celsius/5+32; cout<<"Temperature in degree FAHRENHEIT: }

OUTPUT Enter temperature in degree CELCIUS:

40

Temperature in degree FAHRENHEIT:

104

"<

7. Program that reads radius of a circle and prints its area. #include void main() { float radius,area; cout<<"Enter Radius of circle:

";

cin>>radius; area=radius*3.14*radius; cout<<"Area of Circle:

"<<area;

}

OUTPUT Enter Radius of circle: Area of Circle:

14

615.44

8. Program that enter value of x from and prints Y = 2x and Z = 2x -1. #include #include void main() { clrscr(); int x,y,z; cout<<"Enter x: "; cin>>x; y=2*x; z=2*x-1; cout<<" Y = "< <<"\n"<<" Z = "<
OUTPUT Enter x: 5 Y = 10 Z= 9

9. Program to convert a given number of days into years, weeks and days. #include #include void main() { clrscr(); int totaldays,years,weeks,days,rem1,rem2; cout<<"Enter total number of days : "; cin>>totaldays; years=totaldays/365; rem1=totaldays%365; weeks=rem1/7; rem2=rem1%7; days=rem2; cout<<"Years = "< <<"\tweeks = "<<weeks<<"\tdays = " <
OUTPUT Enter total number of days : 956 Years = 2

weeks = 32

days = 2

10. Program for swapping of two numbers using third number. #include #include void main() { clrscr(); int a, b, c; cout<<"Enter a : "; cin>>a; cout<<"Enter b : "; cin>>b; c=a; a=b; b=c; cout<<"\na= "< <<"\n"<<"b= "<
OUTPUT Enter a: 5 Enter b: 7 a= 7 b= 5

11. Program for swapping of two numbers without using third variable. #include #include void main() { clrscr(); int a,b; cout<<"Enter a : "; cin>>a; cout<<"Enter b : "; cin>>b; a=a+b; b=a-b; a=a-b; cout<<"Values after swapping: "<<"\na= "< <<"\nb= "<
OUTPUT Enter a: 4 Enter b: 9 Values after swapping: a= 9 b= 4

12. Program to input three numbers and print the largest of three. #include void main() { int x,y,z; cout<<"Enter three variables : "<<"\n"; cin>>x>>y>>z; if(x>y&&x>z) cout<<"\n"<<x<<" is greater"; if(y>x&&y>z) cout<<"\n"< <<" is greater"; if(z>x&&z>y) cout<<"\n"< <<" is greater"; }

OUTPUT Enter three variables : 5 9 3

9 is greatest

13. Program to check whether the entered number is odd or even. #include #include void main() { clrscr(); int num; cout<<"Enter any number: “; cin>>num; if(num%2==0) cout<<"Number is even"; else cout<<"Number is odd"; }

OUTPUT Enter any number: 5 Number is odd

Enter any number: 18 Number is even

14. Program to find Simple Interest and Compound Interest. #include #include void main() { clrscr(); int P,R,T; float SI,CI; cout<<"Enter values for P R T"<<"\n"; cin>>P>>R>>T; SI=P*R*T/100; CI=P*(1+R/100)^T; cout<<"Simple interest= "<<SI<<"\n"<<"Compound Interest= "<
OUTPUT Enter values for P R T 1000 5 3 Simple interest = 150 Compound Interest = 1003

15. Program to find area of a triangle. #include #include void main() { clrscr(); int b, h, area; cout<<"Enter values of Base and Height of triangle"<<"\n"; cin>>b>>h; area=b*h/2; cout<<"Area of triangle: "<<area; }

OUTPUT Enter values of Base and Height of triangle 5 4 Area of triangle: 10

16. Program that seeds the name of and number of unit and displays the electricity charge with name. The electricity board charges according to following data: For first 100 units

=

40p/unit

For next 200 units

=

50p/unit

Beyond 300 units

=

60p/unit

All the s are charged motor charge also which is Rs 50.

#include #include<stdio.h> #include void main() { clrscr(); char name[25]; int unit, charge; cout<<"Enter your name: "; gets(name); cout<<"Enter total units: "<<“\n”; cin>>unit; if(unit<=100)

charge=100*40/100+50; if(unit>100&&unit<=300) charge=100*40/100+(unit-100)*50/100+50; if(unit>300) charge=100*40/100+200*50/100+(unit-300)*60/100+50; puts(name); cout<<"Total Electricity Charge: "<
OUTPUT Enter your name: Alok Kumar Enter total units: 285

Alok Kumar Total Electricity Charge: 182

17. Program to enter marks in five subjects and calculate percentage. Display grade according to following specifications. Percentage

Grade

>90

A

<= 90 and>81

B

<= 80 and>71

C

<= 70 and>61

D

<= 60 and>51

E

<= 50 and>41

F

<=40

Fail

#include #include<stdio.h> #include void main() { clrscr(); char name[67], grade;

int eng, maths, cs, phy, chem, sum, percentage; cout<<"Enter your name: "; gets(name); cout<<"Enter marks in 5 subjects"<<"\n"; cin>>eng>>maths>>cs>>phy>>chem; sum=eng+maths+cs+phy+chem; percentage=sum/5; cout<<"\n"<<"\n"; puts(name); cout<<"Percentage: "<< percentage <<'%'; if(percentage >90) grade='A'; if(percentage <=90&& percentage >81) grade='B'; if(percentage <=80&& percentage >71) grade='C'; if(percentage <=70&& percentage >61) grade='D'; if(percentage <=60&& percentage >51) grade='E'; if(percentage <=50&& percentage >41) grade='F'; if(percentage <=40)

grade='G'; cout<<"\n"<<"Grade: "<
OUTPUT Enter your name: Alok Kumar Enter marks in 5 subjects 93 97 95 90 99

Alok Kumar Percentage: 94% Grade: A

18. Program that accepts a character between A and J and prints next 4 characters. #include #include void main() { clrscr(); char ch; cout<<"Enter character between A to J: "; cin>>ch; int num =ch; cout<
OUTPUT Enter character between A to J: F GHIJ

19. Program to input a student type („A‟ or „B‟), and for „A‟ initialize the collage with Rs 200 otherwise initialize the hostel with Rs 200. #include void main() { char stu_type; int coll_acc,hostel_acc; cout<<"Enter student type: "; cin>>stu_type; if(stu_type=='A') coll_acc=200; cout<<“\nCollage :”<
OUTPUT Enter student type: A Collage : 200

20. Program that print area for choice 1 and perimeter for choice 2 of a circle #include void main() { char choice; int radius, area, peri; cout<<"Enter radius of circle: "; cin>>radius; cout<<"Enter 1 for area or 2 for perimeter: "; cin>>choice; area=22*radius*radius/7; peri=2*22*radius/7; if(choice=='1') cout<<"Area: "<<area; else cout<<"Perimeter: "<
OUTPUT Enter radius of circle: 7 Enter 1 for area or 2 for perimeter: 1 Area: 154

21. Program to find value of P if P= (w + x)/(y-z). The value of w, x, y, z are entered by . #include void main() { float w, x, y, z, P; cout<<"Enter numbers w, x, y, z"; cin>>w>>x>>y>>z; P= (w + x)/(y-z); cout<<"\nP = (w + x)/(y-z) = }

OUTPUT Enter numbers w, x, y, z 5 7 6 3

P = (w + x)/(y-z) = 4

"<

22. Program which raise any number x to a positive power n. #include #include #include<math.h> void main() { clrscr(); long double x,n,p; cout<<"Enter any number x: "; cin>>x; cout<<"Enter value of n: "; cin>>n; p=pow(x,n); cout<<"x raised to the power n is: "<

OUTPUT Enter any number x: 5 Enter value of n: 4 x raised to the power n is: 625

23. Program to calculate commission for the salesmen the commission is calculated according to following rates. Sales

Commission rate

30001 onwards

15%

22000 – 30000

10%

12001 – 22000

7%

5001 – 12000

3%

0 – 5000

0%

#include #include void main() { clrscr(); float sales; cout<<"Enter sales made by salesman: "; cin>>sales; if(sales>5000) if(sales<12000) if(sales<22000) if(sales<30000) cout<<"Commission = "<<sales*0.15;

else cout<<"Commission = "<<sales*0.10; else cout<<"Commission = "<<sales*0.07; else cout<<"Commission = "<<sales*0.03; else cout<<"Commission = "<<sales*0; }

OUTPUT Enter sales made by salesman: 36548 Commission = 5482.2

24. Program to print whether the entered character is an uppercase or a lowercase character or a digit or any other character. The ASCII codes are given below. Characters

ASCII Range

„0‟ – „9‟

48 – 57

„A‟ – „Z‟

65 – 90

„a‟ – „z‟

97 - 122

#include #include void main() { clrscr(); char ch; int num; cout<<"Enter any Character: "; cin>>ch; num=ch; if(num>=48) if(num>=65) if(num>=97&&num<123) cout<<"\nThe entered character is a lower case alphabet";

else cout<<"\nThe entered character is a upper case alphabet"; else cout<<"\nThe entered character is a digit"; else cout<<"\nThe entered character is any other character"; }

OUTPUT Enter any Character: j The entered character is a lower case alphabet

25. Program to print table of any number.

#include #include void main() { clrscr(); int n,i; cout<<"\nEnter any number :"; cin>>n; for(i=1;i<=10;i++) { cout<<"\t"; cout<
OUTPUT Enter any number: 2 2

4

6

8

10

12

14

16

18

20

26. Program to print roots of a quadratic equation.

#include #include #include<math.h> void main() { clrscr(); float a,b,c,root1,root2,delta; cout<<"Enter the values of a, b & c of the quadratic equation of the form \nax2+bx+c \n"; cin>>a>>b>>c; if(a==0) cout<<"The value of 'a' should not be zero \n Abording!!!!! \n"; else { delta =b*b-4*a*c; if(delta>0) { root1=(-b+sqrt(delta))/(2*a); root2=(-b-sqrt(delta))/(2*a); cout<<"Roots are real and unequal"; cout<<"\n root1= "<
OUTPUT Enter the values of a, b & c of the quadratic equation of the form ax2+bx+c 1 -5 4 Roots are real and unequal Root1= 1 Root2= 4

27. Program to find a number is prime or not.

#include #include #include<process.h> void main() { clrscr(); int n,i; cout<<"Enter any number: "; cin>>n; for(i=2;i<=n-1;i++) if(n%i==0) { cout<<"\nEntered number is NOT a PRIME NUMBER "; exit(0); } cout<<"\nEntered number is a PRIME NUMBER "; }

OUTPUT Enter any number: 17 Entered number is a PRIME NUMBER

28. Program that prints the following series 1

2

4

8

16

32 64 128

#include #include<math.h> #include void main() { clrscr(); int j,i;

for(i=0;i<=7;++i) { j=pow(2,i); cout<<j<<' '; } }

OUTPUT 1

2

4

8

16

32

64

128

29. Program that prints first n natural numbers and prints their sum.

#include #include void main() { clrscr(); int i, n, sum=0; cout<<"Enter value of n: "; cin>>n; for(i=1;i<=n;i++) {cout<<<' '; sum+=i; } cout<<"\nsum = "<<sum; }

OUTPUT Enter value of n: 20 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Sum = 210

30. Program to print sum of even and odd natural numbers in first n natural numbers.

#include void main() { int n,i,sum1=0,sum2=0; cout<<"Enter the number of numbers : "; cin>>n; for(i=1;i<=n;i++) {if(i%2==0) sum1+=i; else sum2+=i; } cout<<"\nSum of even numbers: "<<sum1; cout<<"\nSum of odd numbers: "<<sum2; }

OUTPUT Enter the number of numbers: 10 Sum of even numbers: 30 Sum of odd numbers: 25

31. Program for generating the given output.

#include #include void main() { clrscr(); int i,j; for(i=1;i<=5;i++) { cout<<"\n"; for(j=1;j<=i;j++) cout<<'*'; } }

OUTPUT * ** *** **** *****

32. Program for generating the given output.

#include #include void main() { clrscr(); int i,j; for(i=1;i<=4;i++) { cout<<"\n"; for(j=1;j<=2*i-1;j++) cout<<'*'; } }

OUTPUT * *** ***** *******

33. Program for generating the given output.

#include #include void main() { clrscr(); int i; for(i=1;i<=5;++i) { cout<<"\n"; for(int j=1;j<=i;++j) cout<
OUTPUT 1 22 333 4444 55555

34. Program for generating the given output.

#include void main() { int i, j, k, n; cout<<"Enter number of lines: "; cin>>n; for(i=1;i<=n;i++) { cout<<"\n"; for(j=1;j<=n-i;j++) cout<<' '; for(k=1;k<=i;k++) cout<<'*'; } }

OUTPUT Enter number of lines: 3 * ** ***

35. Program to print factorial of a number.

#include #include void main() { clrscr(); int i, n, facto=1; cout<<"Enter any number: "; cin>>n; for(i=1;i<=n;i++) facto*=i; cout<<"\n"< <<" factorial = "<
OUTPUT Enter any number: 5

5 factorial = 120

36. Program for generating the given output.

#include void main() { char ch; int i=ch, j, n; cout<<"Enter number of lines: "; cin>>n; for(i=65;i<=n+65;i++) { cout<<"\n"; for(j=65;j<=i;j++) cout<
OUTPUT Enter number of lines: 4 A AB ABC ABCD

37. Program for generating the given output. #include

void main() { int i, j, k, n; cout<<"Enter number of lines: "; cin>>n; for(i=1;i<=n;i++) { cout<<"\n"; for(j=1;j<=i-1;j++) cout<<„ „; for(k=n;k>=i;k--) cout<<"& "; } }

OUTPUT Enter number of lines: 4 &&&& &&& && &

38. Program to check whether a number is palindrome or not. #include

#include<string.h> void main() { int n, n1, n2=n, rev=0; cout<<"Enter any number: "; cin>>n; while(n) {n1=n%10; rev=rev*10+n1; n=n/10; } if(n2==rev) cout<<"\nNumber is palindrome"; else cout<<"\nNumber is not palindrome"; }

OUTPUT Enter any number: 121 Number is palindrome

39. Program to check whether entered character is an alphabet or not.

#include #include void main() { char ch; cout<<"Enter character :"; cin>>ch; if(isalpha(ch)) cout<<"It is an alphabet."; else cout<<"It is not an alphabet."; }

OUTPUT Enter character: a It is an alphabet.

Enter character: % It is not an alphabet.

40. Program to check whether the entered character is of uppercase or lowercase. #include

#include void main() {

char ch; cout<<"Enter character:"; cin>>ch; if(isalpha(ch)) {

cout<<"It is an alphabet.\n"; if(isupper(ch)) cout<<"It is an upper case."; else cout<<"It is a lower case.";

} else cout<<"It is not an alphabet."; }

OUTPUT Enter character: r It is an alphabet. It is a lower case.

41. Program to concatenate two strings. #include #include<stdio.h>

#include<string.h> void main() { char s1[10], s2[10]; cout<<"Enter string 1:"; gets(s1); cout<<"Enter string 2:"; gets(s2); cout<<strcat(s1,s2);

}

OUTPUT Enter string 1: GOOD Enter string 2: LUCK GOODLUCK Enter string 1: WEL Enter string 2: COME WELCOME

42. Program to find out number of words present in a line. #include #include<string.h>

void main() { int n=1; char str[100]; cout<<"Enter line:"; cin.getline(str,100); for(int i=1; str[i]!='\0'; i++) { if ( str[i-1]!=' ' && str[i]==' ') n=n+1; } cout<< “\nNumber of words = ”<
OUTPUT Enter line: My name is Alok Kumar. Number of words = 5 Enter line: Program to find out number of words present in a line. Number of words = 11

43. Program to print a word by deleting 1 letter from end in each turn. #include #include<string.h> void main()

{

char str[25]; cout<<"Enter string:"; cin.getline(str,25); int len=strlen(str); for(int i=len; i<=0; i--) {

for(int j=0; j<=i; j++) cout<<str[j]; cout<<“\n”;

} }

OUTPUT Enter string: HELLO HELLO HELL HEL HE H

44. Program to check whether the given string is palindrome or not. #include #include<string.h> void main() {

char str[20];

int len, i, f=1; cout<<"Enter string:"; cin.getline(str,20); len=strlen(str); for(i=0, len=len-1; i<=len/2; i++, len--) {

if(str[i]!=str[len]) f=0; break;

} if(f==1) cout<<"Entered string is palindrome."; else cout<<"Entered string is not a palindrome."; }

OUTPUT Enter string: RADAR Entered string is palindrome.

45. Program to find whether a given character is present in a string or not and also find the position of character. #include #include #include<string.h>

void main() {

clrscr(); char str[20], ch; int i, f=0; cout<<"Enter string:"; cin.getline(str,20); cout<<"Enter character:"; cin>>ch; for(i=1; i<=len; i++) { if(str[i]==ch) { f=1; break; } } if(f==1) cout<<“The given character is present in the string.”<<“\n The position of the character is:”<< i; else cout<<“The given character is not present in the string.”;

}

OUTPUT Enter string: My name is Khan and I am not a terrorist. Enter character: K The given character is present in the string The position of the character is: 12

Enter character: t The given character is present in the string The position of the character is: 32

46. Program to find cube of a number (using function). #include int cube(int); void main() { int a,c; cout<<"Enter number: ";

cin>>a; c=cube(a); cout<<"Cube of the number: "<
OUTPUT Enter number: 5 Cube of the number: 125

47. Program to print largest even and odd number from a list of numbers entered through keyboard. The list terminates as soon as one enters zero (using function). #include #include void even_odd(int); void main() {

clrscr(); int n; even_odd(n); } void even_odd(int n) { int maxeven=0, maxodd=0; while(n) { cout<<"Enter number:"; cin>>n; if(n%2==0) { if(n>maxeven) maxeven=n; } else if(n%2==1) { if(n>maxodd) maxodd=n; } else if(n==0) break;

} cout<<"Largest odd number:"<<maxodd<<"\n Largest even number:"<<maxeven; }

OUTPUT Enter number:5 6 8 9 7 15 18

Largest odd number: 15 Largest even number: 18

48. Program to calculate factorial of a number (using function). #include void factorial(int); void main() {

int n; cout<<"Enter number:"; cin>>n; factorial(n);

}

void factorial(int n) {

int fact=1; int i; for(i=1; i<=n; i++) fact=fact*i; cout<< “\nFactorial of ”< <<“ is ”<

}

OUTPUT Enter number: 6 Factorial of 6 is 720

Enter number: 5 Factorial of 6 is 120

49. Program to find largest number of a list of no. entered through keyboard (using function). #include void largest(); void main() {

largest();

} void largest() {

char ans='y'; int n, large=0; while(ans=='y')

{

cout<<"Enter number:"; cin>>n; if(n>large) large=n; cout<<"You want to enter number?(y or n):"; cin>>ans;

} cout<< “\n Largest number entered: ”<
OUTPUT Enter number: 5 6 8 45 68 26 65 35 79 65 -6 64 25 64 3 9 10 Largest number entered: 79

50. Program that inputs three numbers and find the greatest among them (using functions). #include void greatest(int, int, int); void main() {

int max, d, e, f; cout<<"Enter 3 number:"; cin>>d>>e>>f; greatest(d, e, f);

} void greatest(int d, int e, int f)

{

if(d>e && d>f) cout<<"First number is greatest"; else if(e>d && e>f) cout<<"Second number is greatest"; else if(f>d && f>e) cout<<"Third number is greatest";

}

OUTPUT Enter 3 number: 5 9 2 Second number is greatest

51. Program to find largest and smallest element in a vector. #include void main() {

int v[10], large, small, i; cout<<"Enter the value in vector "; for(i=0;i<10; i++) cin>>v[i]; large=v[1]; small=v[1] ; for (i=0;i<10;i++)

{

if(v[i]>large) large=v[i]; else if(v[i]<small) small=v[i];

} cout<<"\n Largest element ="< >a>>b; swap (a,b);

} void swap(int c, int d)

{

int temp; temp =c; c=d; d=temp; cout<< “\nValues after swapping numbers.” cout<< “\nNum1”< <<"\nNum2"<

}

OUTPUT Enter num1: 9 Enter num2: 15 Value after swapping numbers. Num1: 15 Num2: 9

53. Program to find sum of digits of a number (using function). #include int sum(int); void main() {

int n,s; cout<<"Enter number:"; cin>>n; s=sum(n); cout<< “\n Sum of digits :”<<s;

} int sum(int n1) {

int p=0; while(n1) {

p=p+(n1%10); n1=n1/10;

} return p; }

OUTPUT Enter number:356 Sum of digits : 14

54. Program to print all those elements of a matrix that are on and are on the right side of main diagonal. #include void main() {int arr[3][3]; cout<<"Enter matrix:"; for(int i=0;i<3;i++) for(int j=0;j<3;j++) cin>>arr[i][j]; for(i=0;i<3;i++) {

cout<<"\n"; for(int j=0;j<3;j++)

{

if(i<=j) cout<<arr[i][j]; else cout<<" ";

}} }

OUTPUT Enter matrix:

2

6

9

1

5

2

6

9

8

1

5

4

2

3

3

55. Program to print and convert all the elements of an array positive (using function). #include void negative(int arr[],int); void main() {

int size=10, arr[size]; cout<<"Enter elements of an array:"; for(int i=0; i<size; i++) cin>>arr[i]; negative(arr,size);

}

void negative(int arr1[], int size1) {

for(int i=0; i<size1; i++) {

if(arr1[i]<0) arr1[i]=arr1[i]*-1;

} for(i=0;i<size1; i++) cout<<arr1[i]<<“\t”; }

OUTPUT Enter elements of an array: 1

2

-6

-8

5

-9

5

4

8

-9

1

2

6

8

5

9

5

4

8

9

56. Program to generate the given output. #include void main() {

int arr1[5][5]; int arr[]={1,2,3,4,5}; for(int i=0;i<5;i++) for(int j=0;j<5;j++) arr1[i][j]=arr[j]; for(i=0; i<5; i++) for(int j=0; j<5; j++)

{

if(i+j>4) arr1[i][j]=0; }

for(i=0;i<5;i++) {

cout<<"\n"; for(int j=0;j<5;j++) cout<<arr1[i][j]<<" ";

} } OUTPUT 12345 12340 12300 12000 10000

57. Program to display a 2D array in 1D array. #include void main() {

int A[3][3], B[9]; int i,j,k=0; cout<<"Enter Array A:"; for(i=0; i<3; i++) for(j=0; j<3; j++) cin>>A[i][j]; for(i=0; i<3; i++) {

cout<<"\n";

for(j=0; j<4; j++) cout< <<" ";} for(i=0; i<3; i++) for(j=0; j<3; j++) {

B[k]=A[i][j]; k++;}

for(k=0; k<9; k++) cout<
OUTPUT Enter Array A:

123 123 123

Array B:

123123123

58. Program to concatenate two arrays. #include void main() {

int i, j, k; int A[5], B[5], C[10]; cout<<"Enter array A:"; for(i=0; i<5; i++) cin>>A[i]; cout<<"Enter array B:"; for(j=0;j<5;j++)

cin>>B[j]; for(i=0,k=0; i<5;k++, i++) C[k]=A[i]; for(k=5, i=0; i<5; k++, i++) C[k]=B[i]; cout<<"\nArray C:"; for(k=0;k<10;k++) cout< <<" "; }

OUTPUT Enter array A:

01234

Enter array B:

56789

Array C:

0123456789

59. Program to replace a number from array with 0 and take all 0s of the array to the left. #include void main() { int arr[9], n, t, k; cout<<"Enter array:"; for(int i=0; i<9; i++) cin>>arr[i];

cout<<"Enter number:"; cin>>n; for(i=0; i<9; i++) { if(arr[i]==n) arr[i]=0; } for(i=0; i<9; i++) cout<<arr[i]<<"\n"; cout<<"\n"; for(k=0;k<2; k++) { for(i=8; i>=0; i--) { if(arr[i]==0) { for(int j=i;j>0;j--) { t=arr[j]; arr[j]=arr[j-1]; arr[j-1]=t; } }

} } cout<< “Array after replacing ”< <<“: ”; for(i=0; i<9; i++) cout<<arr[i]; }

OUTPUT Enter array:

6

5

4

6

9

5

1

5

8

0

6

4

6

9

1

8

Enter number: 5 Array after replacing „5‟: 0

0

60. Program to calculate the sum of elements of the rows of matrix. #include void main() {

int A[3][3], sum; cout<<"Enter matrix A:"; for(int i=0; i<3; i++) {

for(int j=0; j<3; j++) cin>>A[i][j];

}

for(i=0; i<3; i++) {

sum=0; for(int j=0; j<3; j++) sum=sum+A[i][j]; cout<< “\nSum of row”< << “ is ” <<sum<<"\n";

} }

OUTPUT Enter matrix A:

1

2

3

4

5

6

7

8

9

Sum of row 1 is 6 Sum of row 2 is 15 Sum of row 3 is 24

61. Program to multiply two matrices. #include #include void main() { int A[3][3], B[3][3], C[3][3]; cout<<"Enter matrix A:"; for(int i=0; i<3; i++) {

for(int j=0; j<3; j++) cin>>A[i][j]; } cout<<"Enter matrix B:"; for(i=0; i<3; i++) { for(int j=0; j<3; j++) cin>>B[i][j]; } cout<< “\nMatrix A × matrix B :” for(i=0; i<3; i++) { cout<<"\n"; for(int j=0; j<3; j++) { int sum=0; for(int k=0; k<3; k++) { sum+=A[i][j]*B[k][j]; } cout<<sum<<" "; } }

}

OUTPUT Enter matrix A: 1

2

1

2

1

2

1

2

1

Enter matrix B: 2

1

2

1

2

1

2

1

2

5

8

5

10

4

10

5

8

5

Matrix A × matrix B:

62. Program to delete duplicate elements of an array with 0 and take all 0 to right. #include void main() {

int A[10]; cout<<"Enter array:"; for(int i=0; i<10; i++) cin>>A[i]; for(i=0; A[i]!='\0'; i++)

{

for(int j=i+1; A[j]!='\0'; j++) {

if(A[i]==A[j]) {

for(int k=j; A[k]!='\0'; k++) A[k]=A[k+1];

}

}} for(i=0; A[i]!='\0'; i++) {

if(A[i]==0) A[i]='\0';

}

cout<< “\nNew array:”; for(i=0; i<10; i++) cout< <<" "; }

OUTPUT Enter array: 5

8

9

6

4

8

9

3

6

5

New array: 5

8

9

6

4

3

0

0

0

0

63. Program to calculate compound interest for 50 clients of an investment company. Details (including costume name, code and date of starting, number of years, interest rate and total amount) are stored in an array of structures. #include #include<stdio.h> #include<math.h> #include struct clients

{ char cname[20]; int ccode; int cday; int cmonth; int cyear; int irate; int totalamount; int tot_years; }; clients c[50]; void main() { clrscr(); float ci[50]; for(int i=0; i<50; i++) { gets(c[i].cname); cin>>c[i].ccode; cin>>c[i].cday; cin>>c[i].cmonth; cin>>c[i].cyear; cin>>c[i].tot_years;

cin>>c[i].irate; cin>>c[i].totalamount; } for (i=0; i<50; i++) { float t,s; t[i]=(1+c[i].irate*0,01); s[i]=pow(t[i],c1[i].year; ci[i]=c1[i].totalamount*s[i]; cout<
}

64. Program to store information of 10 employee and to display information of an employee depending upon the employee number given. #include #include #include<stdio.h> #include<process.h> struct employee {

int eno; char ename[20]; char eaddress[20]; }e[10]; void main() { clrscr(); int i,n; char ans='y'; for(i=0;i<10;i++) { cin>>e[i].eno; gets(e[i].ename); gets(e[i].eaddress); do{ cout<<"enter employee no"; cin>>n; if(n==e[i].eno) { cout<<e[i].eno; puts(e[i].ename); puts(e[i].eaddress); }

cout<<"u want to proceed or not"; cin>>ans; } while(ans=='y'); } }

65. Program to create an array containing details of 25 students (including Roll number, name, marks in three subjects) and print out a list of students who have failed in more than 1 subject. Assume 40% marks as marks. #include #include #include<stdio.h> struct student { int rno; char name[20];

int sub1; int sub2; int sub3; }s[25]; void main() { for(int i=0;i<25;i++) { cout<<"Enter student Roll number : "; cin>>s[i].rno; cout<<"Enter student name : "; gets(s[i].name); cout<<"Enter marks obtained in three subjects : "; cin>>s[i].sub1>>s[i].sub2>>s[i].sub3; } cout<<"list of students failed in more than 1 subject"; int f=0; for(i=0;i<25;i++) { if(s[i].sub1<=40) f++; if(s[i].sub2<=40) f++;

if(s[i].sub3<=40) f++;

if(f>1) { puts(s[i].name) cout<<s[i].rno; } f=0; } }

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