322. Coin Change LeetCode Solution 321. Create Maximum Number LeetCode Solution 319. Bulb Switcher LeetCode Solution 318. Maximum Product of Word Lengths LeetCode Solution 316. Remove Duplicate Letters LeetCode Solution 315. Count of Smaller Numbers After Self LeetCode Solution 313. Super Ugly Number LeetCode Solution 312. Burst Balloons LeetCode Solution 310. Minimum Height Trees LeetCode Solution 309. Best Time to Buy and Sell Stock with Cooldown LeetCode Solution 307. Range Sum Query – Mutable LeetCode Solution 306. Additive NumberLeetCode Solution 304. Range Sum Query 2D – Immutable LeetCode Solution 303. Range Sum Query – ImmutableLeetCode Solution 301. Remove Invalid Parentheses LeetCode Solution 300. Longest Increasing Subsequence LeetCode Solution 299. Bulls and Cows LeetCode Solution 297. Serialize and Deserialize Binary Tree LeetCode Solution 295. Find Median from Data Stream LeetCode Solution 292. Nim Game LeetCode Solution 290. Word Pattern LeetCode Solution 289. Game of Life LeetCode Solution 287. Find the Duplicate Number LeetCode Solution 284. Peeking Iterator LeetCode Solution 283. Move Zeroes LeetCode Solution 282. Expression Add Operators LeetCode Solution 279. Perfect Squares LeetCode Solution 278. First Bad Version LeetCode Solution 275. H-Index II LeetCode Solution 274. H-Index LeetCode Solution