PLC Anupam Samanta 2010JE0976

8/3/2019 PLC Anupam Samanta 2010JE0976

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COMPUTER SCIENCE AND ENGINNERING

SOME RANDOM LAB

ASSIGNMENTS

MIGHT HELP YOU


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1. Write a C program to take Elements from a 3x3 matrix from a user and print

I) Sum of the Diagonal matrix

II) Sum of the lower triangle ElementsIII) Sum of the upper triangle Elements

//PROGRAM TO SUM DIAGONAL ELEMENTS, UPPER TRIAGLE AND LOWER TRIANGLE

ELEMENTS OF //A MATRIX

#include

int matrixDiagonal(int a[10][10],int);

int lowerTriangle(int a[10][10],int);

int upperTriangle(int a[10][10],int);

int main()


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{

int a[10][10];int choice;

int size;int i,j;

do

{printf("\nMATRIX OPERATION PROGRAM");printf("\n1.Enter the matrix ");

printf("\n2.Sum of diagonal elements ");

printf("\n3.Sum of Upper triangle elements ");printf("\n4.Sum of Lower Triangle elements ");

printf("\n0.Exit\nChoice: ");scanf("%d",&choice);

switch(choice){

case 1: printf("Enter the size of the matrix (maximum 10): ");scanf("%d",&size);

printf("\nEnter the Matrix: \n");

for(i=0;i


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int matrixDiagonal(int a[10][10],int size){

int i;int sum=0;

for(i=0;i


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Choice: 1

Enter the size of the matrix (maximum 10): 3

Enter the Matrix:Row 1 : 1 2 3

Row 2 : 4 5 6

Row 3 : 7 8 9

MATRIX OPERATION PROGRAM1.Enter the matrix

2.Sum of diagonal elements

3.Sum of Upper triangle elements4.Sum of Lower Triangle elements

0.ExitChoice: 2

Sum of Diagonal elements : 15

MATRIX OPERATION PROGRAM1.Enter the matrix

2.Sum of diagonal elements


0.ExitChoice: 3

Sum of Lower Triangle elements : 19

MATRIX OPERATION PROGRAM1.Enter the matrix2.Sum of diagonal elements


0.Exit

Choice: 4

Sum if Upper Triangle elements : 11

MATRIX OPERATION PROGRAM

1.Enter the matrix2.Sum of diagonal elements


0.Exit

Choice: 0

THANK YOU


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2. Write a C program to take a number from user and tell whether it is a palindrome or not.

//PROGRAMM TO CHECK WHETHER A NUMBER IS PALINDROME OR NOT

#include

void palindrome(int);

int main(){

int number;


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int choice;

do{

printf("\nPALINDROME CHECKING PROGRAM");

printf("\n1.Enter a Number\n0.Exit \nchoice: ");

scanf("%d",&choice);

switch(choice)

{

case 1: printf("\nEnter the number: ");scanf("%d",&number);

palindrome(number);

break;

case 0: printf("\nTHANK YOU\n");break;

default:printf("\nInvalid Choice, please re-enter\n\n");break;

}

}while(choice);

return 0;

}

void palindrome(int x)

{

int newNum=0,counter=0;int temp=x,powTen=1;

int i;

while(temp){

temp=temp/10;counter++;

}

temp=x;

for(i=1;i


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while(temp){

newNum+=((temp%10)*powTen);

temp=temp/10;

powTen/=10;

}

if(x==newNum){

printf("\nThis Number is a palindrome\n");}

else

{printf("\nThis number is not a Palindrome\n");

}}

OUTPUT:

PALINDROME CHECKING PROGRAM1.Enter a Number

0.Exitchoice: 1

Enter the number: 12421

This Number is a palindrome


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PALINDROME CHECKING PROGRAM

1.Enter a Number0.Exit

choice: 1

Enter the number: 21332

This number is not a Palindrome


1.Enter a Number

0.Exitchoice: 0

THANK YOU

3. Write a program in C to take a string and print whether it is a Palindrome or not.

//PROGRAM TO CHECK WHETHER A STRING IS PALINDROME OR NOT

#include

#include

void palindrome();


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int main()

{

int choice;

do

{

printf("\nPALINDROME CHECKING PROGRAM");printf("\n1.Enter a String\n0.Exit \nchoice: ");scanf("%d",&choice);

switch(choice){

case 1: palindrome();

break;

case 0: printf("\nTHANK YOU\n");

break;

default:printf("\nInvalid Choice, please re-enter\n\n");

break;}

}while(choice);

return 0;

}

void palindrome(){

int counter=0;

int i;

char a[10]="\0",b[10]="\0";

printf("\nEnter the string: ");

scanf("%s",a);

counter=strlen(a);

for(i=0;i


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else

{printf("\nIt is not a palindrome\n");

}

}

OUTPUT:PALINDROME CHECKING PROGRAM

1.Enter a String0.Exit

choice: 1

Enter the string: malayalam

It is a palindrome

PALINDROME CHECKING PROGRAM1.Enter a String

0.Exitchoice: 1

Enter the string: computer

It is not a palindrome


1.Enter a String0.Exit

choice: 0

THANK YOU

4. Write a program in C using structure and union to store the information of an employee of anorganisation

The details of the employees should be in the format of:

NameAge


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Grade

if Grade =1

then ask for Card No and hobby

if Grade = 2

then ask for Vehicle No and Distance from the office

//A PROGRAM TO STORE INFORMATION ABOUT AN EMPLOYEE//USING STRUCTURE AND UNION

#include

struct employee{

char name[10];

int age;int grade;

union grade0{

struct grade1

{int cardNo;

char hobby[10];}x;

struct grade2{

int vehicleNo;float distOffice;}y;

}z;

};

typedef struct employee employee;

int main(){

employee emp[10];int choice;

int i,num;

do{

printf("\n\nREAD AND WRITE FILES\n");printf("\n1.Enter information\n2.Read information");

printf("\n0Exit\nChoice:");


switch(choice){


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case 1: printf("\nEnter the number of employee: ");

scanf("%d",&num);

for(i=0;i


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break;

default:printf("\nInvalid choice");

break;}

}while(choice);

return 0;}

OUTPUT:

READ AND WRITE FILES


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1.Enter information

2.Read information0.Exit

Choice:1

Enter the number of employee: 3

Employee 1:

Name: John

Age: 29

Grade: 1

Card No: 12332Hobby: Philately

Employee 2:

Name: SueAge: 26

Grade: 2

Vehicle No: 18293

Distance from office: 12.00

Employee 3:

Name: Amy

Age: 34Grade: 2

Vehicle No: 12332Distance from office: 1.05


1.Enter information

2.Read information

0.ExitChoice:2

Employee 1:

Name: John

Age: 29Grade: 1

Card No: 12332

Hobby: Philately

Employee 2:


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Name: Sue

Age: 26Grade: 2


Employee 3:

Name: AmyAge: 34

Grade: 2



1.Enter information2.Read information

0.ExitChoice:0

THANK YOU

5. Write a program in C to either take an integer and or two characters from the userIf the user enters an integer then print 2 characters whose ascii value is obtained


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by dividing the binary equivalent of the number in 8 bits and 8 bits.

Else if the user enters 2 characters then print the integer formed by binary equivalent

combination of ascii value of 2 characters.

#include

#include

int main(){

int choice,integer;

int d,k,c=0,a[16];int binEq1=0,binEq2=0;

int g[16],e,p,v,x,u=0,n1=0,n2=0,i;char ch1,ch2;

do

{printf("\nWELCOME");

printf("\n1.Enter Integers\n2.Enter 2 characters\n0.Exit\nChoice: ");


if(choice!=1&&choice!=2&&choice){

printf("Invalid input.");

}

switch(choice){case 1: printf("Enter the integer:");

scanf("%d",&integer);k=integer;

d=integer;

while(k>0){

k=k/2;c++;

}

for(i=0;i


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printf("%c\n",binEq1);

for(i=8;i0){

e=e/2;

n1++;}

while(x>0)

{x=x/2;

n2++;

}

for(i=0;i


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for(i=(8+n2);i


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6. Write a menu driven program in C to: Open a file in 'w' mode

Write data in fileOpen file in read mode and print the contents of the file

#include

int main(){

FILE *file;

int counter=0;int choice;

char fileName[20];char string[50];

char c;

do{

printf("\nREAD AND WRITE FILES\n");printf("\n1.Read a file\n2.Write a file\nChoice:");


switch(choice)

{case 1: printf("\nName of File : ");

scanf("%s",fileName);

file=fopen(fileName,"r");c=fgetc(file);

do{printf("%c",c);

c=fgetc(file);}while(c!=EOF);

fclose(file);break;

case 2: printf("\nName of File : ");

scanf("%s",fileName);

file=fopen(fileName,"w");

printf("\nEnter the string to be written:\n ");

scanf("%s",string);

counter=0;while(string[counter]!='\0')

{

putc(string[counter],file);

counter++;}fclose(file);


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break;

case 0: printf("\nTHANK YOU\n");

break;

default:printf("\nInvalid choice");break;

}

}while(choice);

return 0;

}

OUTPUT:


1.Read a file

2.Write a fileChoice:2

Name of File : abc.txt

Enter the string to be written:hello


1.Read a file2.Write a file

Choice:1

Name of File : abc.txt

helloREAD AND WRITE FILES

1.Read a file2.Write a file

Choice:0

THANK YOU


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7. Write a program to count the number of lines and characters in a file.

#include

void count();

int main()

{

int choice;

do

{printf("\nCOUNT THE NUMBER OF LINES IN A FILE\n");

printf("\n1.Count the number of lines\n0.Exit\nChoice:");scanf("%d",&choice);

switch(choice){

case 1: count();break;



}}while(choice);

return 0;}

void count()

{int counter=0,character=0;

FILE *file;

char c;

char fileName[25];

printf("\nName of File : ");scanf("%s",fileName);


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file=fopen(fileName,"r");

c=fgetc(file);

do{

c=fgetc(file);

character++;

if(c=='\n'){

counter++;

}

}while(c!=EOF);

printf("\nThe Number of newlines: %d and characters in the program: %d \n",counter,character);

fclose(file);

}

OUTPUT:

COUNT THE NUMBER OF LINES IN A FILE

1.Count the number of lines0.Exit

Choice:1

Name of File : def.txt

The Number of newlines: 5 and characters in the program: 49

COUNT THE NUMBER OF LINES IN A FILE

1.Count the number of lines0.Exit

Choice:0

THANK YOU


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8. Write a Program in C to compare two files

#include

void compare();

int main()

{

int choice;

do

{printf("\nCOMPARE TWO FILES\n");

printf("\n1.Compare two files\n0.Exit\nChoice:");


switch(choice){

case 1: compare();

break;



}

}while(choice);

return 0;}

void compare()

{int flag;

FILE *file1,*file2;

char c1,c2;

char fileName1[25],fileName2[25];

printf("\nName of File 1: ");


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scanf("%s",fileName1);

printf("\nName of File 2: ");

scanf("%s",fileName2);

file1=fopen(fileName1,"r");file2=fopen(fileName2,"r");

if(file1==NULL||file2==NULL){

printf("\nFiles not found");fclose(file1);

fclose(file2);

return;

}

c1=fgetc(file1);

c2=fgetc(file2);

do{

c1=fgetc(file1);

c2=fgetc(file2);

if(c1!=c2){

flag=0;

break;

}

}while(c1!=EOF&&c2!=EOF);

if(!flag)

{printf("\nThe Files are not same\n");

}else

{

printf("\nThe Files are same\n");}

fclose(file1);

fclose(file2);

}


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OUTPUT:COMPARE TWO FILES

1.Compare two files

0.ExitChoice:1

Name of File 1: abc.txt

Name of File 2: def.txt

The Files are not same

COMPARE TWO FILES

1.Compare two files

0.ExitChoice:1



The Files are same

COMPARE TWO FILES

1.Compare two files0.Exit

Choice:0

THANK YOU


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9. Write a program in C++ to show the friendship of a member functions of another class.

//A PROGRAM TO SHOW FRIENDSHIP OF TWO CLASSES

#include

using namespace std;

class second;

class first{

int i;

public:

void input();void output();

void swap(second&);

};

class second{int j;

public:

void getdata(){

coutj;

}

void showdata()

{cout


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}

void first::output()

{cout


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default:cout


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Choice: 2

First class

i: 21

Second Class:

j: 12

FRIENDSHIP OF MEMBER FUNCTIONS

1.Input data

2.Print data3.Swap data

0.ExitChoice: 0

Thank You


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10. Write a program in C++ to merge 2 arrays using friend function.

//PROGRAMM TO MERGE TWO ARRAYS USING FRIEND FUNCTION

#includeusing namespace std;

class array2;

class array1

{int a[10];

int m;

public:

void getarray1(){coutm;cout


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coutn;cout


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cout


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11. Write a program in C++ to show the significance of static and local variable

#include


class ABC

{int a;

static int b;public:

void getdata()

{cin>>a;

b++;}void printdata()

{cout


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p.printdata();

cout


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12. Write a program to show the friendship of a non member function by doing sum of two numbers

#include


class me

{int a;

public:

void getdata()

{ couta;

}void print()

{

cout


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coutb;look.getdata();

swapping(b,look);look.print();

cout


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cin>>edge;

coutheight;

cout


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OUTPUT:

PROGRAM TO IMPLEMENT FUNCTION OVERLOADING

1.Calculate volume of cube

2.Calculate volume of cuboid3.Calculate volume of sphere

0.Exit

Choice: 1

Enter length of side of cube.12

Volume: 1728


1.Calculate volume of cube2.Calculate volume of cuboid

3.Calculate volume of sphere

0.ExitChoice: 2

Enter length,width,height of cuboid.

12 3 4

Volume: 144


1.Calculate volume of cube2.Calculate volume of cuboid3.Calculate volume of sphere


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0.Exit

Choice: 3

Enter the radius length.21

Volume: 29079.5


1.Calculate volume of cube

2.Calculate volume of cuboid3.Calculate volume of sphere

0.ExitChoice: 0

Thank You

14. Write a program in C++ to perform operator overloading in 3 cases: '+' to add 2 complex numbers

'-' to subtract 2 complex numbers '*' to multiply 2 complex Numbers

#include


class complex{

float x;

float y;public:

complex(){

}

complex( float real,float imag){

x=real;y=imag;

}

complex operator+(complex );complex operator-(complex);

complex operator*(complex);void getdata();

void display();

};

complex complex::operator+(complex c){

complex temp;


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temp.x=x+c.x;

temp.y=y+c.y;return(temp);

}complex complex::operator-(complex c1)

{

complex temp;

temp.x=x-c1.x;temp.y=y-c1.y;return(temp);

}

complex complex::operator*(complex c2){

complex temp;temp.x=(((x*(c2.x))-(y*(c2.y))));

temp.y=(((x*(c2.y))+(y*(c2.x))));

return(temp);}

void complex::getdata(){

coutx;couty;}

void complex::display()

{cout


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break;

case 2: cout


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OUTPUT:ADDITION SUBTRACTION AND MULTIPLICATION OF COMPLEX NUMBERS

1.Add

2.Subtract3.Multiply

0.ExitChoice: 1

Enter two complex numbers1st complex number:

Real part:12

Imaginary part:12

2nd complex number:Real part:21

Imaginary part:2

Reuslt: 33+(14)i

ADDITION SUBTRACTION AND MULTIPLICATION OF COMPLEX NUMBERS

1.Add

2.Subtract3.Multiply

0.ExitChoice: 2

Enter two complex numbers

1st complex number:Real part:21Imaginary part:21


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2nd complex number:Real part:22

Imaginary part:3

Reuslt: -1+(18)i

ADDITION SUBTRACTION AND MULTIPLICATION OF COMPLEX NUMBERS1.Add2.Subtract

3.Multiply

0.ExitChoice: 3

Enter two complex numbers

1st complex number:

Real part:2Imaginary part:2

2nd complex number:

Real part:1

Imaginary part:2

Reuslt: 1+(0)i

ADDITION SUBTRACTION AND MULTIPLICATION OF COMPLEX NUMBERS

1.Add2.Subtract

3.Multiply0.ExitChoice: 0

THANK YOU


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15. Write a program in C++ to illustrate use of constructor & destructor by constructing and destructingthat will increase or decrease count.

#include


class cons_dest{

static int count;public:

cons_dest()

{count++;

cout


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int cons_dest::count=0;

int main()

{

cons_dest obj1, obj2;cout


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16. Write a program in C++ to add 2 numbers by passing object as an argument.

#include


class data

{public:

int i;void getdata()

{

cin>>i;}

};

class cons_addition

{public:

cons_addition(data a,data b){

int sum;

sum = a.i + b.i;

cout


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int main(){

data obj1, obj2;cout


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class polar{

float r;float angle;

public:

polar(cartesian c)

{r = sqrt((c.getx()*c.getx())+(c.gety()*c.gety()));angle = atan((c.gety())/(c.getx()));

cout


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18. Write a program in C++ to implement multilevel inheritance

#include


class student

{char name[10];

int adm_no;public:

void getinfo()

{coutname;coutadm_no;

}

void showinfo(){

cout


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cout


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OUTPUT:

PROGRAM FOR MULTILEVEL INHERITANCE

Student 1:Enter name:John

Enter admission no.:12122

Enter marks: 12

Enter degree: cbse

Student 2:Enter name:amy


Enter marks: 121

Enter degree: btech

Student 3:

Enter name:sue


Enter marks: 140


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Enter degree: icse

Student 1:

Name of student is JohnAdmission no. is 12122Marks are 12

Degree is cbse

Student 2:

Name of student is amyAdmission no. is 12223Marks are 121Degree is btech

Student 3:

Name of student is sueAdmission no. is 12221Marks are 140

Degree is icse

19. Write a program in C++ to implement Hybrid Inheritance

//.....Header files.....

#include


//...class declaration.....

class person{

private:char name[20];

int code;

public:

void getdata(){

cout


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cin>>name;

coutcode;

}void showdata()

{

cout


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void get()

{cout


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20. Write a program in C++ using generic function to perform swapping of different datatype

#include


templatevoid swapping(T &x,T &y)

{T temp;

temp=x;

x=y;y=temp;

}


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int main(){

int choice;

int a,b;

float c,d;char e,f;

do{

cout


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break;

}

}while(choice);

return 0;

}

OUTPUT:

GENERIC FUNCTION FOR SWAPPING1.Swap 2 integers

2.Swap 2 Real numbers

3.Swap 2 Characters0.Exit

Choice: 1

First Integer: 12Second Integer: 21

After swapping:

First Integer: 21

Second Integer: 12



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Choice: 2

First number: 12.08

Second number: 0.02

After swapping:

First Number: 0.02

Second Number: 12.08




Choice: 3

First Character: a

Second Character: d

After swapping:First Character: d

Second Character: a

GENERIC FUNCTION FOR SWAPPING

1.Swap 2 integers2.Swap 2 Real numbers3.Swap 2 Characters

0.ExitChoice: 0

THANK YOU

21. Write a function in C++ to implement generic class and perform addition of two complex numbers

#include


template

class complexNumbers

{

T real,imaginary;

public:


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void complexInput(){

coutreal;

coutimaginary;

}

void complexOutput()

{

cout


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switch(choice)

{case 1: cout


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Enter imaginary part:-9

The complex number is :34 + i 12

OPERATIONS OF COMPLEX NUMBERS

1.Add two integer type complex numbers

2.Add 2 real type complex numbers

0.ExitChoice: 2

Complex number 1:

Enter real part: 31.99Enter imaginary part:12.02

Complex number 2:

Enter real part: 21.09

Enter imaginary part:-2.21

The complex number is :53.08 + i 9.81

OPERATIONS OF COMPLEX NUMBERS

1.Add two integer type complex numbers2.Add 2 real type complex numbers

0.ExitChoice: 0

Thank You

22. Write a program in C++ to implement virtual function

#include


class window{

public:virtual void create()

{

cout


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class command_button:public window

{public:

void create(){

cout


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couty;

if(y==0){

throw(z);

}

else{

z=x/y;

cout

PLC Anupam Samanta 2010JE0976

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