Leetcode Problem 8. String to Integer (atoi)

8. String to Integer (atoi)

Leetcode Solutions

Initialize sign as 1 and result as 0.
Skip all leading whitespaces.
If the next character is '+' or '-', set sign accordingly.
Iterate over the string and process digit characters: a. If the current character is a digit, multiply result by 10 and add the digit. b. Check for overflow/underflow and clamp the result if necessary.
If a non-digit character is encountered, break the loop.
Return result multiplied by sign.

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