摘要：Given an array consisting of $n$ integers, find the contiguous subarray of given length $k$ that has the maximum average value. And you need to output
阅读全文
随笔分类 - Leetcode
摘要：In MATLAB, there is a very useful function called 'reshape', which can reshape a matrix into a new one with different size but keep its original data.
阅读全文
摘要：Given an array of 2n integers, your task is to group these integers into n pairs of integer, say $(a_1, b_1), (a_2, b_2), ..., (a_n, b_n)$ which makes
阅读全文
摘要：Given a binary array, find the maximum number of consecutive 1s in this array. Example 1 : Note : The input array will only contain and . The length o
阅读全文
摘要：Given an array of integers where ($n =$ size of array), some elements appear twice and others appear once. Find all the elements of inclusive that do
阅读全文
摘要：Given a non empty array of integers, return the third maximum number in this array. If it does not exist, return the maximum number. The time complexi
阅读全文
摘要：Given an array of integers and an integer $k$, find out whether there are two distinct indices $i$ and $j$ in the array such that nums[i] = nums[j] an
阅读全文
摘要：Given an array of integers, find if the array contains any duplicates. Your function should return true if any value appears at least twice in the arr
阅读全文
摘要：189. Rotate Array Rotate an array of $n$ elements to the right by $k$ steps. For example, with $n = 7$ and $k = 3$, the array is rotated to . Related
阅读全文
摘要：169. Majority Element Given an array of size $n$, find the majority element. The majority element is the element that appears more than times. You may
阅读全文
摘要：122. Best Time to Buy and Sell Stock II 为获得最高收益而多次买卖,但只能像这样买卖: $O(n)$ time, $O(1)$ space. 自家代码:
阅读全文
摘要：167. Two Sum II Input array is sorted Given an array of integers that is already sorted in ascending order , find two numbers such that they add up to
阅读全文
摘要：121. Best Time to Buy and Sell Stock Example 1: Example 2: 同53题. The maximum (minimum) subarray problem. 用到$DP$. 这题是重点 : 就是序列从A[0]开始计算, 不符合条件就清0, 从断处继
阅读全文
摘要：119. Pascal's Triangle II Given an index $k$, return the $k^{th}$ row of the Pascal's triangle. For example, given $k = 3$, Return . 直接生成由0组成的数组,设定 ,迭
阅读全文
摘要：88. Merge Sorted Array Given two sorted integer arrays nums1 and nums2, merge nums2 into nums1 as one sorted array. Note: You may assume that nums1 ha
阅读全文
摘要：118. Pascal's Triangle Given numRows, generate the first numRows of Pascal's triangle. For example, given , Return 在每一行后面+1, 再更新该行. 另外学会向 容器中放 元素. 人家代
阅读全文
摘要：66. Plus One Given a non negative integer represented as a non empty array of digits, plus one to the integer. 该题目要求：将一整数按位存储在vector中，对其实现+1操作，返回结果. 对
阅读全文
摘要：53. Maximum Subarray 同121题. Find the contiguous subarray within an array (containing at least one number) which has the largest sum. For example, give
阅读全文
摘要：Given an array , write a function to move all 's to the end of it while maintaining the relative order of the non zero elements. For example, given ,
阅读全文
摘要：268. Missing Number Given an array containing $n$ distinct numbers taken from , find the one that is missing from the array. For example, Given return
阅读全文
浙公网安备 33010602011771号