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Learn Algebra:
Algebra is a branch of mathematics that deals with relations, operations and their constructions. It is one of building blocks of mathematics and it finds a huge variety of applications in our day-to-day life.
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Hello Friends!

Problem 2: 
A binary number is a sequence of bits (binary digits – 0’s and 1’s) of the form BnBn-1……B1 B0, where each Bi is a bit. The decimal equivalent is calculated by Bn * 2n+ Bn-1 * 2n-1 + … + B1 * 2 + B0.

Write a program to input a binary number and output the decimal equivalent.
The sample input will not have more than 31 individual bits (i.e., the largest value to be entered is 1111111111111111111111111111111).

Example 1:
Enter binary number: 101
In decimal: 5

Example 2:
Enter binary number: 11111
In decimal: 31

This is the first problem I am going to post in this group. With this problem, we are starting our online programming session. From now on, we will post/solve/discuss our problems and become more active in group community. Post your solution/comment below. wish you luck :)  

If n is an integer greater than 0, n factorial (n!) is the product:
n* (n-1) * (n-2) * ( n-3)… *
By convention, 0! = 1.

You must write a program that allows a user to enter an integer between 1 and 19. Your program must then compute the factorial of the number entered by the user.

Example 1:
Enter a number: 4
4! = 24

Example 2:
Enter a number: 7
7! = 5040

Solve this :-......

Three men go to a hotel to rent a room.
The desk clerk says there is a 3 bed suite for $30.00.
Each man pays $10.00 and go to the room.
The hotel manager questions the desk clerk.
The hotel manager tells the desk clerk, the room is only $25.00,
and gives the clerk 5 dollar bills to pay the men back.

On the way to the room the clerk realizes 5 dollar bills can’t be split
3 ways. Dishonestly, he keeps 2 dollars and gives each man back one dollar.

Now the 3 men paid $27.00 for the room, and the clerk has 2 dollars.

Where did the other dollar go? $27.00 + $2.00 = $29.00!

Easy as eating rice :-

62 - 63 = 1

Move one digit only to make this equation true.

(RULE :-
            1.Can't move any lines.
            2.No new digits can be added.
            3.Can't swap any digits.
)

Calculate the answer..........

1+4=10

2+8=20

3+16 =??

Which one is faster:
1) while(condition):
           if (condition):
                      body
           else if (condition):
                      body
           else if (condition):
                      body
           and so many else if.....
2) while(condition):
           if (condition):
                      body
                      continue
           else if (condition):
                      body
                      continue  
           else if (condition):
                      body
                      continue 
           and so many else if....
3) while(condition):
           switch(x):
                case 1: body
                            break
                case 2: body
                            break
                and so on....

Programming Contest Class (Beginner):
Friday (March 1, 2013)
Room : 102

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