Easy

LeetCode 121: Best Time To Buy And Sell Stock

LeetCode 746: Min Cost Climbing Stairs

LeetCode 70: Climbing Stairs

LeetCode 1971: Find if Path Exists in Graph

LeetCode 20: Valid Parentheses

LeetCode 496: Next Greater Element I

LeetCode 1071: Greatest Common Divisor of Strings

LeetCode 643: Maximum Average Subarray I

LeetCode 1550: Three Consecutive Odds

LeetCode 1399: Count Largest Group

LeetCode 2325: Decode the Message

LeetCode 724: Find Pivot Index