bool searchMatrix(vector<vector<int> > &matrix, int target) { if(matrix.size() == 0) return false; int m = matrix.size(); 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 ...
Each row is sorted in non-decreasing order. The first integer of each row is greater than the last integer of the previous row. Given an integertarget, returntrueiftargetis inmatrixorfalseotherwise. You must write a solution inO(log(m * n))time complexity. ...
建议和leetcode 378. Kth Smallest Element in a Sorted Matrix 和 leetcode 668. Kth Smallest Number in Multiplication Table 有序矩阵搜索 代码如下: /* * 右上角搜索 * */ class Solution { public boolean searchMatrix(int[][] matrix, int target) { if(matrix==null || matrix.length<=0) retur...
Leetcode-Search a 2D Matrix Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties: Integers in each row are sorted from left to right. The first integer of each row is greater than the last integer of the previous row. For example,...
【leetcode】Search a 2D Matrix Search a 2D Matrix Write an efficient algorithm that searches for a value in anmxnmatrix. This matrix has the following properties: Integers in each row are sorted from left to right. The first integer of each row is greater than the last integer of the ...
74. Search a 2D Matrix # 题目# 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 from left to right. The first integer of each row is greater than the last integer of the previous row...
leetcode-34. Find First and Last Position of Element in Sorte-binary-searchyjhycl 立即播放 打开App,流畅又高清100+个相关视频 更多 84 0 18:47 App leetcode-222-Counter Complete Binary Tree Nodes - binary search 2 0 10:00 App leetcode-852. Peak Index in a Mountain Array -binary-search...
0378-Kth-Smallest-Element-in-a-Sorted-Matrix 0380-Insert-Delete-GetRandom-O(1) 0381-Insert-Delete-GetRandom-O(1)-Duplicates-allowed 0382-Linked-List-Random-Node 0384-Shuffle-an-Array 0386-Lexicographical-Numbers 0387-First-Unique-Character-in-a-String 0388-Longest-Abso...
bool searchMatrix(vector<vector<int>>& matrix, int target) { if (matrix.size() == 0|| matrix[0].size() ==0) { return false; } int i = 0, j = matrix[i].size() - 1; while (i<matrix.size() && j>=0) { int element = matrix[i][j]; ...
Search in Infinite sorted array: https://leetcode.com/problems/search-in-a-sorted-array-of-unknown-size/ Given a sorted array of unknown length and a number to search for, return the index of the number in the array. Accessing an element out of bounds throws exception. If the number occ...