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Day 313 of the journey! Today, we're tackling a classic "Medium" problem: LeetCode 646, "Maximum Length of Pair Chain.

Turning a full dynamic programming problem into a single greedy rule feels like cheating, but Peter and Stewie show the real trick.

Solve LeetCode Problem 452: Minimum Number of Arrows to Burst Balloons using an optimal greedy algorithm in Java.

Dijkstra feels untouchable, but Stewie exposes the uncomfortable truth: on massive sparse directed graphs, the algorithm silently ...