Monitech: May 2020

Thursday, May 21, 2020

Function Overloading in C++

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;
int c(int x, int y)
{
return x + y;
}

double d(double x, double y)
{
return x + y;
}

int main()
{
cout <<"\n----------------FUNCTION OVERLOADING----------------\n";
int a = c(8, 5);
double b = d(4.3, 6.26);
cout << "Int: " << a << "\n";
cout << "Double: " << b;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;
void swapNums(int &x, int &y)
{
int z = x;
x = y;
y = z;
}

int main(){
cout <<"\n----------------FUNCTION PARAMETERS----------------\n";
cout <<"\n----------------Pass By Reference----------------\n";
int a = 10, b = 5;
cout << "Before swap: " << "\n";
cout << a <<" and "<< b << "\n";

swapNums(a, b);

cout << "After swap: " << "\n";
cout << a <<" and "<< b << "\n";

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;
int myFunction(int x) {
return 10 + x;
}

int main(){
cout <<"\n----------------FUNCTION PARAMETERS----------------\n";
cout <<"\n----------------Return Values----------------\n";
cout << myFunction(8);
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
void myFunction(string fname, int age) {
cout << fname << " Venkat" << age << " years old. \n";
}

int main(){
cout <<"\n----------------FUNCTION PARAMETERS----------------\n";
cout <<"\n----------------Multiple Parameters----------------\n";
myFunction("Monisha", 3);
myFunction("Janani", 14);
myFunction("Ramya", 30);
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
void myFunction(string country = "Norway") {
cout << country << "\n";
}

int main(){
cout <<"\n----------------FUNCTION PARAMETERS----------------\n";
cout <<"\n----------------Default Parameters----------------\n";
myFunction("Sweden");
myFunction("India");
myFunction();
myFunction("USA");
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

void functionName(parameter1, parameter2, parameter3)
{
// code to be executed }

Program :

#include <iostream>
using namespace std;
void myFunction(string name) {
cout << name << " Venkat\n";
}

int main(){
cout <<"\n----------------FUNCTION PARAMETERS----------------\n";
cout <<"\n----------------Parameters and Arguments----------------\n";
myFunction("Monisha");
myFunction("Janani");
myFunction("Ramya");
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

void myFunction()
{ // declaration
// the body of the function (definition) }

Program :

#include <iostream>
using namespace std;
// Function declaration
void myFunction();
int main(){
cout <<"\n----------------FUNCTIONS----------------\n";
cout <<"\n----------------Function Declaration & Definition,Create & Call a Function----------------\n";
myFunction(); // call the function
return 0;
}

// Function definition
void myFunction() {
cout << "C++ Programming";
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
int main(){
cout <<"\n----------------POINTERS----------------\n";
cout <<"\n----------------Modify Pointer Value----------------\n";
string food = "Pizza";
string* ptr = &food;

// Output the value of food
cout << food << "\n";

// Output the memory address of food
cout << &food << "\n";

// Access the memory address of food and output its value
cout << *ptr << "\n";

// Change the value of the pointer
*ptr = "burger";

// Output the new value of the pointer
cout << *ptr << "\n";

// Output the new value of the food variable
cout << food << "\n";
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
int main(){
cout <<"\n----------------POINTERS----------------\n";
cout <<"\n----------------Dereferencing----------------\n";
string dish = "Briyani"; // Variable declaration
string* ptr = &dish; // Pointer declaration
// Reference:
cout << ptr << "\n";
// Dereference:
cout << *ptr << "\n";
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
int main(){
cout <<"\n----------------POINTERS----------------\n";
cout <<"\n----------------Creating Pointers----------------\n";
string snacks = "Pani puri";
cout << snacks<< "\n";
cout << &snacks << "\n";
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
int main(){
cout <<"\n----------------REFERENCES----------------\n";
cout <<"\n----------------Creating References----------------\n";
string food = "Pizza";
string &meal = food;
cout << food << "\n";
cout << meal << "\n";

cout <<"\n----------------Memory Address----------------\n";
string dish = "Briyani";
cout << &dish;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;
int main(){
cout <<"\n----------------ARRAYS----------------\n";
cout <<"\n----------------Access the Elements of an Array----------------\n";
string fruits[4] = {"Apple", "Orange", "Bannana", "Grapes"};
cout << fruits[3];

cout <<"\n----------------Change an Array Element----------------\n";
string juice[4] = {"Mazza", "Bovanto", "Mango", "Fanta"};
juice[1] = "Slice";
cout << juice[1];

cout <<"\n----------------Loop Through an Array----------------\n";
string subject[4] = {"Tamil", "English", "Maths", "Science"};
for(int i = 0; i < 4; i++)
{
cout << subject[i] << "\n";
}

cout <<"\n----------------Add Element----------------\n";
string district[5] = {"Coimbatore", "Chennai", "Erode"};
district[3] = "Bangalore";
district[4] = "Madurai";
for(int i = 0; i < 5; i++)
{
cout << district[i] << "\n";
}

cout <<"\n----------------Omit Elements on Declaration----------------\n";
string Phone[5];
Phone[0] = "Vivo";
Phone[1] = "Samsung";
Phone[2] = "Iphone";
Phone[3] = "Lava";
Phone[4] = "Nokia";
for(int i = 0; i < 5; i++)
{
cout << Phone[i] << "\n";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;
int main(){
cout <<"\n----------------CONTINUE STATEMENT----------------\n";
for (int i = 0; i < 10; i++) {
if (i == 4) {
continue;
}
cout << i << "\n";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;
int main(){
cout <<"\n----------------BREAK STATEMENT----------------\n";
for (int i = 0; i < 10; i++) {
if (i == 4) {
break;
}
cout << i << "\n";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

for (initialization; condition; increment(or)decrement)
{
// code block to be executed }

Program :

#include <iostream>
using namespace std;
int main(){
cout <<"\n----------------FOR LOOP----------------\n";
for (int i = 0; i <= 10; i = i + 2) {
cout << i << "\n";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

do
{
// code block to be executed }
while (condition);

Program :

#include <iostream>
using namespace std;
int main(){
cout <<"\n----------------DO-WHILE LOOP----------------\n";
int i = 0;
do {
cout << i << "\n";
i++;
}
while (i < 5);
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

while (condition)
{
// code block to be executed }

Program :

#include <iostream>
using namespace std;
int main(){
cout <<"\n----------------WHILE LOOP----------------\n";
int i = 0;
while (i < 5) {
cout << i << "\n";
i++;
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

switch(expression)
{
case x:
// code block break;
case y:
// code block
break;
default:
// code block
}

Program :

#include <iostream>
using namespace std;
int main(){
int a,b,n;
cout <<"\n----------------SWITCH STATEMENT----------------\n";
cout<<"\nThe given options are : \n1.Add \n2.sub \n3.multiply \n4.divide";
cout<<"\nEnter your choice : ";
cin>>n;
cout<<"\nEnter A value : ";
cin>>a;
cout<<"\nEnter B value : ";
cin>>b;
switch(n) {
case 1:
cout<<"\n "<<a<<" + "<<b<<" = "<<a+b;
break;
case 2:
cout<<"\n "<<a<<" - "<<b<<" = "<<a-b;
break;
case 3:
cout<<"\n "<<a<<" * "<<b<<" = "<<a*b;
break;
case 4:
cout<<"\n "<<a<<" / "<<b<<" = "<<a/b;
break;
default:
cout<<"\nError";
break;
}
return 0;
}

Short hand if-else statement in C++

https://monitechvenkat1620.blogspot.com

Syntax :

variable = (condition) ? expressionTrue : expressionFalse;

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------SHORT HAND IF-ELSE STATEMENT----------------\n";
int a;
cout<<"\nEnter your age :";
cin>>a;
string c = (a < 18) ? "Minor" : "Major";
cout << c;
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

if (condition1)
{
     // block of code to be executed if condition1 is true }
else if (condition2)
{
   // block of code to be executed if the condition1 is false and condition2 is true
}
else
{
     // block of code to be executed if the condition1 is false and condition2 is false
}

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------ELSE-IF STATEMENT----------------\n";
int a;
cout<<"\nEnter your age :";
cin>>a;
if (a <= 18) {
cout <<"\nYou are not eligible for applying for the job";
}
else if (a <= 45) {
cout <<"\nYou are eligible for applying for the job";
}
else {
cout << "\nYou are retired from the job";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

if (condition)
{
// block of code to be executed if the condition is true }
else
{
// block of code to be executed if the condition is false
}

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------ELSE STATEMENT----------------\n";
int a;
cout<<"\nEnter your age :";
cin>>a;
if (a >= 18) {
cout <<"\nMajor";
}
else {
cout <<"\nMinor";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

if (condition)
{
// block of code to be executed if the condition is true }

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------IF STATEMENT----------------\n";
int a;
cout<<"\nEnter your age :";
cin>>a;
if (a >= 18) {
cout << "Major";
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------BOOLEAN EXPRESSIONS----------------\n";
int x = 15;
int y = 10;
cout <<"\n"<<x<<" > "<<y<<" is "<<(x > y);
cout <<"\n"<<x<<" == "<<y<<" is "<<(x == y);
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <cmath>
using namespace std;

int main() {
cout <<"\n----------------MATH FUNCTIONS----------------\n";
cout <<"\nThe max of two numbers is "<< max(10, 100);
cout <<"\nThe min of two numbers is "<< min(5, 20);
cout <<"\nThe sqrt is "<<sqrt (64);
cout <<"\nThe round is "<< round(2.6);
cout <<"\nThe log is "<< log(2) ;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;

int main() {
cout <<"\n----------------STRING OPERATIONS----------------\n";
string a = "C++ ";
string b = "Programming";
string c = a.append(b);
string d = "Class";
string e = "Cow";
e[0] = 'W';
string name;
cout <<"\nString Concatenation is "<<c;
cout <<"\nThe length of the string is " << b.length();
cout <<"\nThe accessed characters in a string is " << d[0];
cout <<"\nThe changed string character is " << e;
cout <<"\n----------------USER INPUT STRINGS----------------\n";
cout <<"\nEnter your full name: ";
cin >> name;
cout <<"\nYour name is : " << name;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------LOGICAL OPERATORS----------------\n";
int x = 8;
cout <<"\n("<<x<<" > 3 && "<<x<<" < 10 ) is "<<(x > 3 && x < 10); // returns true (1)
cout <<"\n("<<x<<" > 3 || "<<x<<" < 10 ) is "<<(x > 3 || x < 4); // returns true (1)
cout <<"\n (!("<<x<<" > 3 && "<<x<<" < 10 )) is "<<(!(x > 3 && x < 10)); // returns false (0)
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------COMPARISON OPERATORS----------------\n";
int x = 10;
int y = 13;
cout <<"\n"<<x<<" == "<<y<< " is "<<(x == y); // returns 0 (false)
cout <<"\n"<<x<<" != "<<y<< " is "<<(x != y); // returns 1 (true)
cout <<"\n"<<x<<" > "<<y<< " is "<<(x > y); // returns 1 (true)
cout <<"\n"<<x<<" < "<<y<< " is "<<(x < y); // returns 0 (false)
cout <<"\n"<<x<<" >= "<<y<<" is "<<(x >= y); // returns 1 (true)
cout <<"\n"<<x<<" <= "<<y<<" is "<<(x <= y); // returns 0 (false)
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------ASSIGNMENT OPERATORS----------------\n";
int a = 5;
int b = 10;
b += 3;
int c = 15;
c -= 3;
int d = 20;
d *= 3;
double e = 25;
e /= 3;
int f = 30;
f %= 3;
int g = 35;
g &= 3;
int h = 40;
h |= 3;
int i = 45;
i ^= 3;
int j = 50;
j >>= 3;
int k = 55;
k <<= 3;
cout <<"\n a = "<< a;
cout <<"\n a += "<< b;
cout <<"\n a -= "<< c;
cout <<"\n a *= "<< d;
cout <<"\n a /= "<< e;
cout <<"\n a %= "<< f;
cout <<"\n a &= "<< g;
cout <<"\n a |= "<< h;
cout <<"\n a ^= "<< i;
cout <<"\n a >>= "<< j;
cout <<"\n a <<= "<< k;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------ARITHMETIC OPERATORS----------------\n";
int x = 10;
int y = 5;
int a = 6;
++a;
int b = 6;
--b;
cout <<"\n----------------ADDITION----------------\n";
cout << x + y;
cout <<"\n----------------SUBTRACTION----------------\n";
cout << x - y;
cout <<"\n----------------MULITIPLICATION----------------\n";
cout << x * y;
cout <<"\n----------------DIVISION----------------\n";
cout << x / y;
cout <<"\n----------------MODULUS----------------\n";
cout << x % y;
cout <<"\n----------------INCREMENT----------------\n";
cout << a;
cout <<"\n----------------DECREMENT----------------\n";
cout << b;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------DATA TYPES----------------\n";
// Creating variables
int a = 5;
float b = 5.99;
double c = 9.98;
char d = 'D';
bool e = true;
string f = "Hello";

// Print variable values
cout << "int: " << a << "\n";
cout << "float: " << b << "\n";
cout << "double: " << c << "\n";
cout << "char: " << d << "\n";
cout << "bool: " << e << "\n";
cout << "string: " << f << "\n";

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------PRINT USER INPUT----------------\n";
int x, y,sum;
cout << "A value : ";
cin >> x;
cout << "B value : ";
cin >> y;
sum = x + y;
cout << "Sum is: " << sum;
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

type variable = value;

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------DECLARING VARIABLE----------------\n";
//The value is constant it can not be changed
const int minutesPerHour = 60;
const float PI = 3.14;
cout << minutesPerHour << "\n";
cout << PI;
return 0;
}

https://monitechvenkat1620.blogspot.com

Syntax :

type variable = value;

Program :

#include <iostream>
using namespace std;

int main() {
cout <<"\n----------------DECLARING VARIABLE----------------\n";
int x = 5, y = 6, z = 50;
cout << x + y + z;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
#include <string>
using namespace std;

int main() {
cout <<"\n----------------OMITTING NAMESPACE----------------\n";
std::string a = "Hello";
std::cout << a;
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <iostream>
using namespace std;
int main()
{
cout << "\n----------------PRINT STATEMENT----------------";
cout << "\nHello World!";
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int n1, n2, i, gcd;
printf("\n----------------GCD OF NUMBERS----------------");
printf("\nEnter two integers: ");
scanf("%d %d", &n1, &n2);

for(i=1; i <= n1 && i <= n2; ++i)
{
if(n1%i==0 && n2%i==0)
gcd = i;
}

printf("\nG.C.D of %d and %d is %d", n1, n2, gcd);

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
#include <string.h>
void isPalindrome(char str[])
{

int l = 0;
int h = strlen(str) - 1;
while (h > l)
{
if (str[l++] != str[h--])
{
printf("\n%s is Not Palindrome", str);
return;
}
}
printf("\n%s is palindrome", str);
}
int main()
{
printf("\n----------------PALINDROME OR NOT----------------");
isPalindrome("madam");
isPalindrome("moni");
isPalindrome("wow");
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int a[10][10], transpose[10][10], r, c, i, j;
printf("\n----------------TRANSPOSE OF MATRIX----------------");
printf("\nEnter rows and columns: ");
scanf("%d %d", &r, &c);

printf("\nEnter matrix elements");
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
printf("\nEnter element A %d%d: ", i + 1, j + 1);
scanf("%d", &a[i][j]);
}

printf("\nEntered matrix: \n");
for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
printf("%d ", a[i][j]);
if (j == c - 1)
printf("\n");
}

for (i = 0; i < r; ++i)
for (j = 0; j < c; ++j) {
transpose[j][i] = a[i][j];
}

printf("\nTranspose of the matrix:\n");
for (i = 0; i < c; ++i)
for (j = 0; j < r; ++j) {
printf("%d ", transpose[i][j]);
if (j == r - 1)
printf("\n");
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int n, i, flag = 0;
printf("\n----------------PRIME OR NOT----------------");
printf("\nEnter a positive integer: ");
scanf("%d", &n);

for (i = 2; i <= n / 2; ++i) {

if (n % i == 0) {
flag = 1;
break;
}
}

if (n == 1) {
printf("\n1 is neither prime nor composite.");
}
else {
if (flag == 0)
printf("\n%d is a prime number.", n);
else
printf("\n%d is not a prime number.", n);
}

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int n, i;
unsigned long long fact = 1;
printf("\n----------------FACTORIAL OF NUMBERS----------------");
printf("\nEnter an integer: ");
scanf("%d", &n);

if(n<0)
printf("\nError! Factorial of a negative number doesn't exist.");
else {
for (i = 1; i <= n; ++i) {
fact *= i;
}
printf("\nFactorial of %d = %llu", n, fact);
}

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int i, n, t1 = 0, t2 = 1, nextTerm;
printf("\n----------------FIBONACCI SERIES----------------");
printf("\nEnter the number of terms: ");
scanf("%d", &n);
printf("\nFibonacci Series: ");

for (i = 1; i <= n; ++i)
{
printf("%d, ", t1);
nextTerm = t1 + t2;
t1 = t2;
t2 = nextTerm;
}

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int row, c, n;
printf("\n----------------PRINT STAR----------------");
printf("\nEnter the number of rows in pyramid of stars to print:");
scanf("%d", &n);

for(row=1;row<=n;row++)
{
for(c=1;c<=n-row;c++)
printf(" ");

for (c=1;c<=2*row-1;c++)
printf("*");

printf("\n");
}

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{

int num;
printf("\n----------------EVEN NO OR NOT----------------");
printf("\nEnter an integer number: ");
scanf("%d",&num);
if(num%2==0)
printf("\n%d is an EVEN number.",num);
else
printf("\n%d is an ODD number.",num);

return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int year;
printf("\n----------------LEAP YEAR OR NOT----------------");
printf("Enter a year: ");
scanf("%d", &year);
if(year%4==0)
{
printf("%d is a leap year.", year);
else
printf("%d is not a leap year.", year);
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include <stdio.h>
int main()
{
int number, i = 1;
printf("\n----------------MULTIPLICATION TABLE----------------");
printf("\n Enter the Number:");
scanf("%d", &number);
printf("\nMultiplication table of %d:\n ", number);
printf("--------------------------\n");
while (i <= 10)
{
printf(" \n%d x %d = %d \n ", number, i, number * i);
i++;
}
return 0;
}

https://monitechvenkat1620.blogspot.com

Program :

#include<stdio.h>
int main()
{
int n,a,r=0;
printf("\n----------------REVERSED NUMBER----------------");
printf("\nEnter any number to be reversed :");
scanf("%d",&n);
while(n>=1)
{
a=n%10;
r=r*10+a;
n=n/10;
}
printf("\nreverse : %d",r);
return 10;
}

Thursday, May 21, 2020

Wednesday, May 20, 2020