recursion
315.Count-of-Smaller-Numbers-After-Self (H-) 327.Count-of-Range-Sum (H-) 493.Reverse-Pairs (M+) 1649.Create-Sorted-Array-through-Instructions (H)
087.Scramble-String (H-) 133.Clone-Graph (M+) 213.House-Robber-II (H-) 337.House-Robber-III (M+) 241.Different-Ways-to-Add-Parentheses (H-) 390.Elimination-Game (H) 395.Longest-Substring-with-At-Least-K-Repeating-Characters (H) 397.Integer-Replacement (M+) 440.K-th-Smallest-in-Lexicographical-Order (H) 679.24-Game (H) 761.Special-Binary-String (H) 779.K-th-Symbol-in-Grammar (M) 780.Reaching-Points (H-) 808.Soup-Servings (H) 880.Decoded-String-at-Index (H-) 902.Numbers-At-Most-N-Given-Digit-Set (M) 964.Least-Operators-to-Express-Number (H) 991.Broken-Calculator (M) 1088.Confusing-Number-II (H) 1199.Minimum-Time-to-Build-Blocks (H+) 1274.Number-of-Ships-in-a-Rectangle (M) 1415.The-k-th-Lexicographical-String-of-All-Happy-Strings-of-Length-n (H-) 1545. Find Kth Bit in Nth Binary String (TBD) 1553.Minimum-Number-of-Days-to-Eat-N-Oranges (H) 1611.Minimum-One-Bit-Operations-to-Make-Integers-Zero (H)
Min-Max Strategy
Reviewed
464.Can-I-Win (M+)
TODO
877.Stone-Game (M+) (aka. 486.Predict-the-Winner) 1140.Stone-Game-II (M) 1406.Stone-Game-III (M+) 1510.Stone-Game-IV (M) 1563.Stone-Game-V (H-)
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