5 articles

📰 Dev.to · M Umair Ullah

Articles from Dev.to · M Umair Ullah · 5 articles · Updated every 3 hours · View all reads

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🔥 “Stack Explained: The Secret Weapon Behind LeetCode Monotonic Problems”
Dev.to · M Umair Ullah 7mo ago
🔥 “Stack Explained: The Secret Weapon Behind LeetCode Monotonic Problems”
Mastering Stack Data Structure – From Basics to LeetCode Practice Stacks are one of the...
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Binary Search on Answers — Crack the Hardest Problems in Log Time
Dev.to · M Umair Ullah 8mo ago
Binary Search on Answers — Crack the Hardest Problems in Log Time
🚀 Binary Search on Answers – The Complete Guide with Examples 📌 Introduction Binary Search...
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Subarray Sum Divisible By K.
Dev.to · M Umair Ullah 8mo ago
Subarray Sum Divisible By K.
🧠 Intuition: The key insight is that: If the difference between two prefix sums is...
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Max Consecutive Ones III
Dev.to · M Umair Ullah 8mo ago
Max Consecutive Ones III
🧠 Intuition: We are given a binary array (0s and 1s), and an integer k which represents the...
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525.Contiguous Array.
Dev.to · M Umair Ullah 8mo ago
525.Contiguous Array.
🧠 Simple Idea: We want a subarray where number of 0s = number of 1s. But comparing counts in every...
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