Still spiral order traversal of an m X n matrix, please see "LeetCode - Spiral Matrix" for more detail. Time complexity is O(m * n), space complexity is O(1). Accepted code: 1//4CE, 2RE, 1AC, such a terrible record..2classSolution {3public:4vector<vector<int> > generateMatrix...
Given an m X n matrix, traverse it in a clockwise spiral order. My solution is to simulate the traversal. Two variables are required, the "position" and the "direction". Starting from the grid (0, 0), going right, the traversal keeps moving forward in one direction, until it hits a ...
package leetcode func generateMatrix(n int) [][]int { if n == 0 { return [][]int{} } if n == 1 { return [][]int{[]int{1}} } res, visit, round, x, y, spDir := make([][]int, n), make([][]int, n), 0, 0, 0, [][]int{ []int{0, 1}, // 朝右 []int...
0102-Binary-Tree-Level-Order-Traversal 0104-Maximum-Depth-of-Binary-Tree 0105-Construct-Binary-Tree-from-Preorder-and-Inorder Traversal 0106-Construct-Binary-Tree-from-Inorder-and-Postorder Traversal 0107-Binary-Tree-Level-Order-Traversal-II 0108-Convert-Sorted-Array-to-Bina...
https://leetcode.com/problems/spiral-matrix/discuss/20571/1-liner-in-Python-%2B-Ruby Solutions 代码语言:javascript 代码运行次数:0 运行 AI代码解释 1publicList<Integer>spiralOrder(int[][]matrix){2List<Integer>res=newArrayList<>();34if(matrix==null||matrix.length==0||matrix[0].length==0){...
Leetcode Spiral Matrix Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order. For example, Given the following matrix: [ [ 1, 2, 3 ], [ 4, 5, 6 ], [ 7, 8, 9 ] ] You should return[1,2,3,6,9,8,7,4,5]....
vector<int> spiralOrder(vector<vector<int>>&matrix) { vector<int>ret;constintm =matrix.size();if(m<1)returnret;constintn = matrix[0].size();constintcircle = std::min(n, m)/2;for(intc=0; c<circle; ++c ) {//traversal a circle//up rowfor(intcol=c; col<n-c; ++col ) re...
代码如下: classSolution {public: vector<int> spiralOrder(vector<vector<int>>&matrix) { vector<int>res;intheight=matrix.size();if( height==0)returnres;intwidth=matrix[0].size(); vector<vector<int>> flag(height,vector<int>(width,1));//用来记录是否走过intm=0;intn=0; ...