记录 2025.5.5 题目: 思路: 代码: class Solution {public List<Integer> getRow(int rowIndex) {List<Integer> row = new ArrayList<Integer>();row.add(1);for (int i = 1; i <= rowIndex; ++i) {row.add((int) ((long) row.get(i - 1) * (rowIndex - i + 1) / i));}return row;}} 复杂度: O(N) O(N)