classSolution {public:boolsearchMatrix(vector<vector<int>>& matrix,inttarget) {if(matrix.empty() || matrix[0].empty())returnfalse;intm =matrix.size();intn = matrix[0].size();intleft =0, right = m * n -1;while(left <=right) {intmid = (left + right) >>1;inti = mid / n...
*@return*/publicbooleansearchMatrix(int[][] matrix,inttarget) {if(matrix ==null)returnfalse;introw =matrix.length;if(row == 0)returnfalse;if(matrix[0] ==null)returnfalse;intcolumn = matrix[0].length;if(column == 0)returnfalse;if(target < matrix[0][0] && target > matrix[row - 1...
public boolean searchMatrix(int[][] matrix, int target) { int left = 0, right = matrix.length, mid = 0, t = -1; while (left < right) { //找到target在哪一行 if (right - left == 1) {// t = left; break; } mid = left + (right - left) / 2; if (target < matrix[mid...
func searchMatrix(matrix [][]int, target int) bool { // 矩阵行数 m := len(matrix) // 矩阵列数 n := len(matrix[0]) // 二分区间左边界初始化为 0 l := 0 // 二分区间右边界初始化为 m * n - 1 r := m * n - 1 // 当二分区间至少还存在 2 个数时,继续二分 for l < ...
int n = matrix[0].size(); if(target < matrix[0][0] || target > matrix[m-1][n-1]) //目标元素不在矩阵中 return false; int low = 0, high = m - 1;//在行间和行内查找时共用这两个元素,表示当前查找的子范围 int medium; ...
Can you solve this real interview question? Search a 2D Matrix II - Write an efficient algorithm that searches for a value target in an m x n integer matrix matrix. This matrix has the following properties: * Integers in each row are sorted in ascendin
length-1; while(left<right){ int mid=(left+right)/2; if(matrix[row][mid]==target) return true; if(matrix[row][mid]>target) right=mid-1; else left=mid+1; } return matrix[row][left]==target; } public boolean searchMatrix(int[][] matrix, int target) { int m=matrix.length; ...
class Solution { public: bool searchMatrix(vector<vector<int> > &matrix, int target) { int rows = int(matrix.size()); int row = 0; bool flag = false;//标志是否有某一行的第一个数字比给定的数字大 for (int i = 0; i < rows; ++i) { if (matrix[i][0] == target) return tru...
LeetCode 240. Search a 2D Matrix II 程序员木子 香港浸会大学 数据分析与人工智能硕士在读 来自专栏 · LeetCode Description Write an efficient algorithm that searches for a value in an m x n matrix. This matrix has the following properties: Integers in each row are sorted in ascending ...
/* * @lc app=leetcode id=240 lang=javascript * * [240] Search a 2D Matrix II * * https://leetcode.com/problems/search-a-2d-matrix-ii/description/ * * *//** * @param {number[][]} matrix * @param {number} target * @return {boolean} */var searchMatrix = function (matrix, ...