Java for LeetCode 119 Pascal's Triangle II Given an indexk, return thekthrow of the Pascal's triangle. For example, givenk= 3, Return[1,3,3,1]. 解题思路: 注意,本题的k相当于上题的k+1,其他照搬即可,JAVA实现如下: 1 2 3 4 5 6 7 8 9 10
基于Java实现杨辉三角 LeetCode Pascal's Triangle Pascal's Triangle Given numRows, generate the first numRows of Pascal's triangle. For example, given numRows = 5, Return [ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ] 这道题比较简单, 杨辉三角, 可以用这一列的元素等于...
Pascal's Triangle leetcode java(杨辉三角) 题目: GivennumRows, generate the firstnumRowsof Pascal's triangle. For example, givennumRows= 5, Return [ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ] 题解: 既然讲到了Pascal‘s Triangle,即杨辉三角。那么就先去Wikipedia上面复习...
line.add(res.get(i-1).get(j-1) + res.get(i-1).get(j)); } // 加入最后一个1 line.add(1); res.add(line); } return res; } } Pascal's Triangle II Given an index k, return the kth row of the Pascal's triangle. For example, givenk = 3, Return[1,3,3,1]. Note: Cou...
publicclassPascalTriangle{publicstaticvoidmain(String[]args){// 创建一个10行10列的二维数组int[][]triangle=newint[10][10];// 遍历每一行for(inti=0;i<10;i++){// 遍历每一行中的每一个元素for(intj=0;j<=i;j++){// 第一列和对角线上的元素为1if(j==0||j==i){triangle[i][j]=1;...
public HashMap<Integer, Integer> pascalTriangle(int lineNumber) { HashMap<Integer, Integer> currentLine = new HashMap<>(); currentLine.put(0, 1); int currentLineSize = lineNumber + 1; for (int numberIdx = 1; numberIdx < currentLineSize; numberIdx += 1) { ...
问帕斯卡三角- Java递归EN由于字符的数量在大多数语言中是相当有限的，所以很快就会没有名字了。这意味着...
LeetCode Top Interview Questions 118. Pascal’s Triangle (Java版; Easy) 题目描述 Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. 1. In Pascal's triangle, each number is the sum of the two numbers directly above it. ...
119 119. Pascal's Triangle II.java Easy [Array, Basic Implementation] O(k^2), pascal triangle size O(k^2) Java 412 1197 1197. Minimum Knight Moves.java Medium [BFS] O(8^n) O(8^n) Java 413 493 493. Reverse Pairs.java Medium [BST, Binary Indexed Tree, Divide and Conquer, Merge...
Pascal's Triangle Given a non-negative integer numRows, generate the first numRows of Pascal's triangle. In Pascal's triangle, each number is the sum of the two numbers directly above it. Example: Input: 5 Output: [ [1], [1,1], [1,2,1], [1,3,3,1], [1,4,6,4,1] ] ...