Substring concatenation CPP Solution

[sarthakvijay]

Choose your form and fill it -

1. Form 1(C++ Solution contributors)

2. Form 2(C++ Documentation Contributors)

1) Form 1

Issue Id you have worked upon -

468

Briefly explain your program logic -

- Create a map for all the string in list of string array with count/frequency
- No start iterating strings with L(length of each string) as the addition in each 
- Maintain the count of string appread in the substring from (that start to totallength of big string) 
- for Each iteraration see if both the hashmao match and have same frequncy of word 
- If same add the starting index to result ArrayList

Screenshots(Attach 2 screenshots of your own input and output) -

Checklist:

Eg - If your code follow the below guidelines. Kindly change [] to [x]

All the conditions should be fulfilled for considering your code for merging -

• [x] I have mentioned the question as comment in my solution file.
  

• [x] My code follows the guidelines of this project.
  

• [x] I have performed a self-review of my own code.
  

• [x] I have commented my code.
  

• [x] My code gives the correct output.
  

• [x] I confirm that I have not copied the code from anywhere. In case its found that I have copied even after successful merge then I can be banned from the repository and hacktoberfest.
  

• [x] I affirm that I strictly follow contributing guidelines and code of conduct.

2) Form 2

Issue Id you have worked upon -

Kindly write your answer here

Checklist:

Eg - If your code follow the below guidelines. Kindly change [] to [x]

All the conditions should be fulfilled for considering your Pull Request for merging -

• [] I have performed a self-review of my documentation.
  

• [] I affirm that I strictly follow contributing guidelines and code of conduct.

[SarthakKeshari]

@sarthakvijay, You can add screenshot directly. I have attached the screenshot below for reference.

[sarthakvijay]

@SarthakKeshari Okay, Did it. Thanks