company prep
Salesforce
Problems frequently reported at Salesforce, in course order. Solve the must-dos first.
1 easy5 medium2 hardGreedy with a heap ×2Tree DFS (bottom-up) ×1Kadane / running best ×1Tree DFS (top-down) ×1BST property ×1Top-k with a size-k heap ×1
22 · Tree Recursion
- #124Binary Tree Maximum Path SumHardmust-do
23 · Binary Search Trees
- #98Validate Binary Search TreeMediummust-do
24 · Heaps & Priority Queues
- #1046Last Stone WeightEasy
- #973K Closest Points to OriginMediummust-do
- #355Design TwitterMedium
- #767Reorganize StringMedium
29 · Topological Sort
- #210Course Schedule IIMediummust-do
36 · DP Patterns
- #115Distinct SubsequencesHard