lec005.cpp

//FOR LOOP
#include<iostream>
using namespace std;

int main() {

    /*
    // Bitwise Operators
    int a = 4;
    int b = 6;

    cout<< "AND: a&b = " << (a&b) <<endl;
    cout<< "OR: a|b = " << (a|b) <<endl;
    cout<< "NOT: ~a = " << ~a <<endl;
    cout<< "XOR: a^b = " << (a^b) <<endl;

    // Bit Shifting
    cout<< (17>>1) <<endl; //right shift (number is doubled)
    cout<< (17>>2) <<endl; //right shift (number is doubled)
    cout<< (19<<1) <<endl; //left shift (number is halved)
    cout<< (21<<2) <<endl; //left shift (number is halved)

    // Pre & Post increment/decrement
    int i = 7;

    cout<< (++i) <<endl;
    // 8
    cout<< (i++) <<endl;
    // 8 , i=9
    cout<< (i--) <<endl;
    // 9 , i=8
    cout<< (--i) <<endl;
    // 7, i=7
    */

    /*
    for (int a=0, b=1; a<=10 && b<=20; a++, b++) { // for ({initial value/s}; {condition to run loop}; {increment or decrement}) {}
        cout<< a << " " << b <<endl;
    }
    //Break and Continue also part of FOR loop
    */

    //Fibonacci Sequence
    /*
    int steps;
    cin>> steps;

    int a = 0;
    int b = 1;
    cout<< a << " " << b << " ";
    int nextNum;

    for (int i=0; i<=steps; i++) {
        nextNum = a + b;
        cout<< nextNum << " ";

        a = b;
        b = nextNum;
    }
    */

    //If we redeclare a variable inside a condition, it will use the new variable as reference and vice versa
    //If we declare a variable inside a condition, it can not be used outside

   
}