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    Doubts

    Uploaded by

    mohitnajkani786
    The document contains code snippets from C++ programs. Snippet 1 defines multiple functions named "add" that can add integers, concatenate strings, or append characters to a string. Snippet 2 checks if two consecutive numbers are both prime numbers. Snippet 3 draws a line between two points using Bresenham's line algorithm. Snippet 4 defines a function to print colored text at different coordinates on a graphical display.

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    Doubts

    Uploaded by

    mohitnajkani786
    7 views11 pages
    The document contains code snippets from C++ programs. Snippet 1 defines multiple functions named "add" that can add integers, concatenate strings, or append characters to a string. Snippet 2 checks if two consecutive numbers are both prime numbers. Snippet 3 draws a line between two points using Bresenham's line algorithm. Snippet 4 defines a function to print colored text at different coordinates on a graphical display.

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    doubts

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    The document contains code snippets from C++ programs. Snippet 1 defines multiple functions named "add" that can add integers, concatenate strings, or append characters to a string. Snippet 2 checks if two consecutive numbers are both prime numbers. Snippet 3 draws a line between two points using Bresenham's line algorithm. Snippet 4 defines a function to print colored text at different coordinates on a graphical display.

    Copyright:

    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    7 views11 pages

    Doubts

    Uploaded by

    mohitnajkani786
    The document contains code snippets from C++ programs. Snippet 1 defines multiple functions named "add" that can add integers, concatenate strings, or append characters to a string. Snippet 2 checks if two consecutive numbers are both prime numbers. Snippet 3 draws a line between two points using Bresenham's line algorithm. Snippet 4 defines a function to print colored text at different coordinates on a graphical display.

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    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    of 11

    Set 3

    1)

    #include <iostream.h>

    #include <string.h>

    #include<conio.h>

    int add(int a, int b) {

    return a + b;

    char* add(char a[], char b[]) {

    strcat(a,b);

    return a;

    char* add(char b[], int len) {

    static char t[20];

    int i=0;

    while(i<len){

    t[i]=b[i];

    i++;

    t[i]='\0';

    return t;
    }

    int main() {

    // Examples of using add function

    clrscr();

    cout << add(2, 3) << endl; // Output: 5

    cout << add("hello", "world") << endl; // Output: helloworld

    cout << add("hello", 3) << endl; // Output: hel

    getch();

    return 0;

    3)

    #include<graphics.h>

    #include<conio.h>

    #include<stdio.h>

    void main()

    int gd = DETECT ,gm, i;

    float x, y,dx,dy,steps;

    int x0, x1, y0, y1;

    initgraph(&gd, &gm, " C:\\Turboc3\\BGI ");

    setbkcolor(WHITE);

    x0 = 100 , y0 = 200, x1 = 500, y1 = 300;


    dx = (float)(x1 - x0);

    dy = (float)(y1 - y0);

    if(dx>=dy)

    steps = dx;

    else

    steps = dy;

    dx = dx/steps;

    dy = dy/steps;

    x = x0;

    y = y0;

    i = 1;

    while(i<= steps)

    putpixel(x, y, RED);

    x += dx;

    y += dy;

    i=i+1;

    getch();

    closegraph();

    }
    4)

    #include<stdio.h>

    #include<graphics.h>

    #include<dos.h>

    #include<conio.h>

    //functionforprinting

    //messageascoloredcharacter

    void printMsg(char s[])

    //autodetection

    int gdriver=DETECT,gmode,i;

    //initializegraphicsmode

    initgraph(&gdriver,&gmode,"C:\\Turboc3\\BGI");

    for(i=3;i<15;i++)

    //setcolorofcursor

    setcolor(i);

    //printtextatcoordinatex,y;
    outtextxy(20*i,100,s);

    delay(500);

    cleardevice();

    getch();

    //driverprogram

    int main()

    printMsg("eesha");

    return 0;

    Set 2)

    2)

    #include<stdio.h>

    #include<iostream.h>

    #include<conio.h>

    //function to check prime number

    int isPrimeNumber(int num)

    int i = 0,flag = 1;

    if(num <= 1)

    {
    flag = 0;

    else

    for(i = 2; i <= (num/2); i++)

    if((num % i) == 0) // Check prime num

    flag = 0;

    break;

    return flag;

    int main()

    int num1, num2,i;

    clrscr();

    cout<<"enter first range";

    cin>>num1;

    cout<<"enter second range";

    cin>>num2;

    for(i = num1; i < num2; ++i)

    {
    if(isPrimeNumber(i) && isPrimeNumber(i+2))

    cout<<"{"<<i<<","<<i+2<<"}\n";

    getch();

    Set1)

    4) move horizontally

    #include<stdio.h>

    #include<graphics.h>

    #include<dos.h>

    #include<conio.h>

    //functionforprinting

    //messageascoloredcharacter

    void printMsg(char s[])

    //autodetection

    int gdriver=DETECT,gmode,i;

    //initializegraphicsmode

    initgraph(&gdriver,&gmode,"C:\\Turboc3\\BGI");
    for(i=3;i<15;i++)

    //printtextatcoordinatex,y;

    outtextxy(20*i,100,s);

    delay(500);

    cleardevice();

    getch();

    //driverprogram

    int main()

    printMsg("eesha");

    return 0;

    2)

    #include<iostream.h>

    #include<string.h>
    #include<conio.h>

    class BankAccount {

    private:

    char depositorName[10];

    int accountNumber;

    char accountType[20];

    double balance;

    public:

    BankAccount() { // Default constructor

    strcpy(depositorName,"");

    accountNumber = 0;

    strcpy(accountType,"");

    balance = 0.0;

    void assignInitialValues(char name[], int number, char type[], double initialBalance) {

    strcpy(depositorName,name);

    accountNumber=number;

    strcpy(accountType,type);

    balance = initialBalance;

    void deposit(double amount) {


    balance += amount;

    void withdraw(double amount) {

    if (amount <= balance) {

    balance -= amount;

    } else {

    cout <<"Insufficient balance"<< endl;

    void display() {

    cout <<"Name: "<< depositorName << endl;

    cout <<"Account number: "<< accountNumber << endl;

    cout <<"Account type: "<< accountType << endl;

    cout <<"Balance: "<< balance << endl;

    };

    void main(){

    BankAccount myAccount;

    clrscr();

    myAccount.assignInitialValues("John Doe", 12345, "Savings", 1000.0);

    myAccount.deposit(500.0);

    myAccount.withdraw(200.0);
    myAccount.display();

    getch();

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