{"blocks": [{"key": "d8ee19d4", "text": "Question", "type": "header-two", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "d625099b", "text": "What is the maximum drawdown of a cumulative PnL (profit and loss) series, and when did it occur? Implement a function mdd(pnl) that returns the maximum drawdown (negative value) and its start and end indices. LeetCode 121. Best Time to Buy and Sell Stock LeetCode 322. Coin Change", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}, {"key": "b50d6df0", "text": "https://leetcode.com/problems/best-time-to-buy-and-sell-stock/description/ https://leetcode.com/problems/coin-change/description/", "type": "unstyled", "depth": 0, "inlineStyleRanges": [], "entityRanges": [], "data": {}}], "entityMap": {}}