Create 8. String to Integer (atoi).cpp

[Barun-Ojha]

PR Title Format: Problem no.Problem name.cpp

Intuition

Approach

Code Solution (C++)

    // Your code goes here
    

Related Issues

By submitting this PR, I confirm that:

• This is my original work not totally AI generated
• I have tested the solution thoroughly on leetcode
• I have maintained proper PR description format
• This is a meaningful contribution, not spam

Summary by Sourcery

New Features:

• Implement myAtoi method to convert a string to a 32-bit signed integer with whitespace skipping, sign handling, digit parsing, and overflow clamping

[sourcery-ai]

Reviewer's Guide

Complete implementation of C++ atoi conversion with leading whitespace trimming, sign determination, digit parsing, and overflow protection.

Class diagram for the new Solution class implementing atoi

classDiagram
class Solution {
  +int myAtoi(string s)
}

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File-Level Changes

Change	Details	Files
Added input normalization (whitespace skipping and sign detection)	Skip leading spaces Check and set sign based on '+' or '-'	8. String to Integer (atoi).cpp
Implemented digit parsing with overflow protection	Convert characters to digits and build ans Clamp ans to INT_MIN/INT_MAX when overflow	8. String to Integer (atoi).cpp

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[github-actions]

Thanks for raising the PR, the owner will be review it soon' keep patience, keep contributing>>>!!! make sure you have star ⭐ the repo

[sourcery-ai]

Hey there - I've reviewed your changes and they look great!

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[SjxSubham]

1. maintain proper PR description format,,,,
2. the solution u want to add if it's not present in the issue section then raise a ISSUE regarding that PR @Barun-Ojha
3. star the repo as well ⭐

[SjxSubham]

Closing this PR as #176 seems valid one to me....