2.3 LeetCode“”—— LeetCode - 2.3 —— (Greedy Algorithm) “”“”“” “”“” 2.3 2.3.1 // 2.3.2 “” (Greedy Choice Property) (Optimal Substructure Property) (Prim, Kruskal) “”“” 2.3.3 “” 0/1 ≠ 2.3.4 LeetCode 1 II (Meeting Rooms II) - LeetCode 253 () “” Mermaid () 2 (Non-overlapping Intervals) - LeetCode 435 “ II” () () () Mermaid () 3 (Jump Game) - LeetCode