INGENIUS TECHNICALS

#include <iostream.h>
#include <conio.h>

int main() {   
   int n, c, first = 0, second = 1, next;
 
   cout<<"*** FIBONACCI SERIES ***"<<endl; 
   cout << "Enter number of terms: ";
   cin >> n;
   cout << endl;
   
   for ( c = 0 ; c < n ; c++ )
   {
      if ( c <= 1 )
         next = c;
      else
      {
         next = first + second;
         first = second;
         second = next;
      }
      cout << next << " ";
   }
   return 0;
}

Output:

#include <iostream.h>
#include <conio.h>

int main() {

 int num,factorial=1;
 
 cout << "Enter Number: ";
 cin >> num;
 
 for (int a=1;a<=num;a++) {
  factorial=factorial*a;
 }
 
 cout<<"Factorial: "<< factorial << endl;
 return 0;
}

Output:

#include <iostream.h>
#include <conio.h>

int main() {
{  
    int num, i, count = 0;

    cout << "Enter the number to be checked : ";
    cin >> num;

    if (num == 0)
    {
        cout << "\n" << num << " is not prime";
        exit(1);
    }
    else   
    {
        for(i=2; i < num; i++)
            if (num % i == 0)
                count++;
    }
    if (count > 1)
  cout << "\n" << num << " is not prime.";
    else
        cout << "\n" << num << " is prime.";
 return 0;
}

Output:

#include <iostream.h>
#include <conio.h>

int main() {
        
    int shape, a, b;
    char ans;
    
    Repeat: 
    system("CLS");
    cout << "Select Shape:" << endl;
    cout << "1.Triangle" << endl;
    cout << "2.Rectangle" << endl;
    cout << "3.Circle" << endl;
    
    cin >> shape;
    
    if(shape==1) {
       cout << "Base: ";
       cin >> a;
       cout << "Altitude: ";
       cin >> b;
       cout << endl << "Area of Triangle: " << 0.5*a*b;
    } else if(shape==2) {
       cout << "Length: ";
       cin >> a;
       cout << "Breadth: ";
       cin >> b;
       cout << endl << "Area of Rectangle: " << a*b;           
    } else if(shape==3) {           
       cout << "Radius: ";
       cin >> a;
       cout << endl << "Area of Circle: " << 3.14*a*a;  
    } else {
       cout << "Invalid Shape";       
    }
    
    cout << endl << "Do you want more calculation? (y/n)";
    cin >> ans;
    
    if (ans=='y') {
       goto Repeat;
    }
    
    getch();
    return 0;
}

Output:

#include <iostream.h>
#include <conio.h>

int main() {
        
  int year;
    
  cout << "Enter Year: ";   
  cin >> year;
    
  (year%4)==0 ? cout<<"Leap Year" : cout<<"NOT Leap Year";
    
  getch();
  return 0;
}

Output:

#include <iostream.h>
#include <conio.h>

int main() {
    //p=principle, r=rate, t=time in years
    float p, r, t;
    
    cout << "Principle: ";   
    cin >> p;
    
    cout << "Rate: ";
    cin >> r;
    
    cout << "Time: ";
    cin >> t;
    
    cout << endl << "Simple Interest:" << p*r*t/100;
    
    getch();
    return 0;
}

Output:

#include <iostream.h>
#include <conio.h>

int main() {
    int a, b, c, big;
            
    cout << "First No: ";
    cin >> a;
    
    cout << "Second No: ";
    cin >> b;
    
    cout << "Third No: ";
    cin >> c;
    
    big = a > b ? ( a > c ? a : c) : (b > c ? b : c) ;
    
    cout << "Highest Number: " << big;
    
    getch();
    return 0;
}

Output:

1. C++ is being highly used to write device drivers and other softwares that rely on direct manipulation of hardware under realtime constraints
2. C++ is widely used for teaching and research because it is clean enough for successful teaching of basic concepts

Use CTRL+F to find the desired program

1. Introduction to C++
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• 1. C++ is a middle-level programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. 
• 2. C++ runs on a variety of platforms, such as Windows, Mac OS, and the various versions of UNIX.
• 3. C++ is a statically typed, compiled, general-purpose, case-sensitive, programming language that supports procedural, object-oriented, and generic programming.
• 4. C++ supports OOPS