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Today I solved Problem 367 — Valid Perfect Square (Easy) on LeetCode. 🧩 The problem: Given a positive integer, determine if it is a perfect square — without using any built-in square root function.

𝗧𝘄𝗼 𝗣𝗼𝗶𝗻𝘁𝗲𝗿𝘀 𝗔𝗿𝗲𝗻’𝘁 𝗔 𝗧𝗿𝗶𝗰𝗸. 𝗧𝗵𝗲𝘆’𝗿𝗲 𝗔 𝗪𝗮𝘆 𝗢𝗳 ...