1classSolution2{3publicintarrangeCoins(intn)4{5return(int)((-1 + Math.sqrt(1 + 8.0 * n)) / 2);6}7} 参考资料:https://leetcode.com/problems/arranging-coins/discuss/92298/Java-O(1)-Solution-Math-Problem LeetCode 题目列表 -LeetCode Questions List...
804. Unique Morse Code Words 819. Most Common Word 844. Backspace String Compare 852. Peak Index in a Mountain Array 867. Transpose Matrix 922. Sort Array By Parity II .gitignore README.mdBreadcrumbs LeetCode /441. Arranging Coins / arranging-coins.py Latest commit ...