Oct 14, 2025 · 2 min read · 🧩 OddOccurrencesInArray – Explained Line by Line The OddOccurrencesInArray problem asks to find the value that occurs an odd number of times in an array. Each element in the array appears exactly twice, except for one unpaired element. Example:A = [...
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Oct 14, 2025 · 2 min read · 🌀 Cyclic Rotation – Explained Line by Line The CyclicRotation problem asks to rotate an array to the right K times. Each rotation moves the last element to the front. Example:A = [3, 8, 9, 7, 6], K = 3 → Result: [9, 7, 6, 3, 8] Here's the code: func...
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Oct 12, 2025 · 2 min read · 🧠 Binary Gap – Explained Line by Line The Binary Gap problem asks to find the longest sequence of zeros surrounded by ones in the binary representation of a given positive integer N. Example:N = 529 → Binary: 1000010001 → Gaps: 0000, 000 → Longest =...
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Jul 17, 2024 · 1 min read · Task description Solution First, I convert the input N to a binary string using String(value, radix: 2). Then, in a for loop, I check each character of the binary string. During the loop, if the character is "0", I add 1 to the tmp variable for temp...
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