Add some Leetcode problems on CPP about cpp-basics

[Andyy-18]

@kushagra10bansal Two contributors got accepted by Hacktoberfest.
So i think it has no problem.

Actually this repo have hacktoberfest tag.
So no problem.

[dakshsinghrathore]

Hi there! Can you please assign it to me ??

[Andyy-18]

Hi there! Can you please assign it to me ??

Go ahead.

[aadionweb07]

we have to add new questions for leetcode or we have to solve
and can you please assign me??

[Andyy-18]

@aadionweb07 Add some good leetcode solved questions.

[harshil-1402]

can you assign it to me I want to contribute

[ZeeshanK07]

Hi! @Andyy-18, I have contributed a code on this programme. Please review #32 once.

[kushagra10bansal]

Hey! @Andyy-18 , i would love to contribute, could you please assign it to me?

[abhi87374]

kindly assign this to me...

[kushagra10bansal]

Hey! @Andyy-18, i have contributed a code. Please review once #56 . Thank you!

[Avra04]

Hi !! Andy ... Aniruddha here !! please assign this to me !!

[kushagra10bansal]

hey! @Andyy-18 . The label you've used for this issue is 'hactober'. I just wanted to confirm if it is accepted by the hacktober community or it has to be 'hacktober'.

[harshiitsingh]

Hey @Andyy-18, please assign this issue to me.

[Shreya111111]

@Andyy-18 plz assign the task to me

[Sayan1412]

@Andyy-18 please can you assign this task to me

[KrishKumar3004]

Hi there! Can you please assign it to me ??

[super-duper-sp]

Hey, I would like to contribute. Please assign it to me.

[Ambuj1729]

Hi andy I want to contribute to your repo .Please assign it to me.

[jahnavimehta]

Hello! I would like to contribute. please could you assign this to me?

[guneet-01]

Hello @Andyy-18, please assign this issue to me.

[jahnavimehta]

Hello! @Andyy-18 I've added problem no. 328 from leetcode. Question is based on odd even linked list. Please could you review it and let me know if any changes are required?