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Exercise


Below is described how to find the date of Easter in any year. Despite its intimidating appearance, this is not a hard problem. Note that [x] is the floor function, which for positive numbers just drops the decimal part of the number. For instance [3.14] = 3. The floor function is part of the math module.

C =century (1900’s → C =19)
Y = year(all four digits)
m = (15+C−C4−8C+1325)mod30
n = (4+C−C4)mod7
a = Ymod4
b = Ymod7
c = Ymod19
d = (19c+m)mod30
e = (2a+4b+6d+n)mod7

Easter is either March(22+d+e) or April(d+e−9). There is an exception if d=29 and e=6. In this case, Easter falls one week earlier on April 19. There is another exception if d=28, e=6, and m=2,5,10,13,16,21,24,or39.
In this case, Easter falls one week earlier on April 18. Write a program that asks the user to enter a year and prints out the date of Easter in that year.

syluck:
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syluck:
Following....

Secondly, I'm new to programming and I want to learn a lot.

Lastly, Nairaland bots keeps banning me if I upload any pictures here. I don't know why

Yes, that is a problem. I have similar challenge. If you have solid knowledge in data structures and algorithms you can join my coding WhatsApp group or if you are new you can subscribe to my Zoom tutorial.

logicDcoder:
But I started with C. Initially it was tough but with time I pickt it up. The main reason why I learnt C is just to understand the fundamentals and the working process of DATA STRUCTURES and it opened my eye unlike python that has predefined methods for handling some operations on some data structures. C also unlocked my ability in getting solutions to solve problems in steps�. I learnt alot from C such as how memory is allocated for variable and other data structures, how to manipulate bits (packing multiple characters in an integer), how to handle files and I get to know more about program processes (how the child interacts with the parent processes). In summary C has a lot of packages but we all want to build things without understanding how it interacts with our machine. My advice to noobs out there, start with C++ not C, it has all the packages you need (Systems programming + OOP),it you really need to know it for competitive programming.

Yes C is a great language, many beginners get lost and discouraged at Pointers. So I will advise them to start with Java or C#.

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Exercise

Implement a MyQueue class which implements a queue using two stacks.

Guideline:

First implement a stack, there are two ways to do this:

1) static implementation using array.

2) dynamic implementation with linked list.

Implement _push(element)_ and _pop()_ methods, when the stack is working well, create a class *MyQueueClass* and incorporate the idea of stack in it, but the class will have the methods _enqueue(element)_ and _dequeue()_.
How will you do it?
Consider this:

Stack is _Last-In-First-Out(LIFO)_, that's the the push(element) method will add element to the end of the stack and pop() method will remove and return the very last element added.
But Queue is _First-In-First-Out(FIFO)_ the _enqueue(element)_ will also add element to the end like stack's push method but the _dequeue()_ will remove and return the first element added, follow by the second etc.
To implement this Queue principle using two stacks, one way to do this is:

Instantiate two objects of your stack class, add all the elements in the first stack object when user calls the enqueue(element) of the MyQueueClass. But when user calls the dequeue() method you will apply logic here.
Continually pop out the elements in the first stack object into second stack object until the first element is popped out, this first element added, will now be the last element added in the second stack. Pop it out to the user.
That's is queue!

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