American Express

1 questions · 1 experiences · LeetCode (1) · 1p3a (1)

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2 entries

#3 Longest Substring Without Repeating Characters

LeetCode SWE

Question

#3 Longest Substring Without Repeating Characters

LeetCode SWE

Question

American Express AI Engineer Tech Phone Screen Interview Experience

1p3a SWE

Apr 2026 Experience

American Express AI Engineer Tech Phone Screen Interview Experience

1p3a SWE

Apr 2026 Experience

LeetCode Question

#3 Longest Substring Without Repeating Characters

SWE coding Medium

Question Details

LeetCode #3: Longest Substring Without Repeating Characters. Difficulty: Medium. Topics: Hash Table, String, Sliding Window. Asked at American Express in the last 6 months.

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Topics

Hash Table String Sliding Window

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