{"id":"buy-sell-stock-single-transaction-only","text":"`maxProfit` finds the best single buy-sell pair; it is not the unlimited-transactions variant (LeetCode #122).","truth_value":"IN","source":"entries/2026/06/06/best-time-to-buy-and-sell-stock-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"buy-sell-stock-single-transaction-only","truth_value":"IN","reason":"premise"}]}}