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RSS订阅原创 【C++开发中内存问题及常用解决方法】
在C++中，内存泄漏是指程序在动态分配内存后，未能在不再需要时正确释放内存，导致该部分内存不能被操作系统重新分配给其他进程使用。内存泄漏可能会导致程序运行时间越长，占用的内存越多，最终可能导致程序崩溃或系统性能下降。• use after return：caller访问一个指针，该指针指向callee的栈内内存。• read invalid memory：读取非法内存，本质上也属于内存越界。• use after free：内存释放后使用。• wild free：释放内存的参数为非法值。
2024-04-12 17:02:50
273
原创 Leetcode刷题125-21. 合并两个有序链表(C++详细解法！！！)
题目来源：链接: [https://leetcode-cn.com/problems/merge-two-sorted-lists/].21. 合并两个有序链表1.问题描述2.我的解决方案3.大神们的解决方案4.我的收获1.问题描述Merge two sorted linked lists and return it as a new list. The new list should be...
2019-07-17 20:23:27
361
原创 Leetcode刷题123-137.只出现一次的数字 II(C++详细解法！！！)
题目来源：链接: [https://leetcode-cn.com/problems/single-number-ii/].137.只出现一次的数字 II1.问题描述2.我的解决方案3.大神们的解决方案4.我的收获1.问题描述Given a non-empty array of integers, every element appears three times except for on...
2019-07-13 21:09:14
511
原创 Leetcode刷题121-181. 超过经理收入的员工(MySQL和Oracle解法！！！)
Come from : [https://leetcode-cn.com/problems/employees-earning-more-than-their-managers/]181. Employees Earning More Than Their Managers1.Question2.Answer3.我的收获1.QuestionSQL架构The Employee table ...
2019-07-11 20:38:32
344
原创 Leetcode刷题119-620. 有趣的电影(MySQL解法！！！)
Come from : [https://leetcode-cn.com/problems/not-boring-movies/]620. Not Boring Movies1.Question2.Answer3.我的收获1.QuestionSQL架构X city opened a new cinema, many people would like to go to this cine...
2019-07-09 20:00:53
210
原创 Leetcode刷题118-595. 大的国家(MySQL、Oracle通用解法！！！)
Come from : [https://leetcode-cn.com/problems/big-countries/]595. Big Countries1.Question2.Answer3.我的收获1.QuestionSQL架构There is a table World+-----------------+------------+------------+---------...
2019-07-08 20:46:23
352
原创 Leetcode刷题116-28. 实现strStr（）(C++最简单实现详细解法！！！)
Come from : [https://leetcode-cn.com/problems/implement-strstr/]28. Implement strStr(1.Question2.Answer3.大神解答4.我的收获1.QuestionImplement strStr().Return the index of the first occurrence of needle ...
2019-07-06 20:12:32
380
原创 Leetcode刷题115-326. 3的幂(C++最简单实现详细解法！！！)
Come from : [https://leetcode-cn.com/problems/power-of-three/]326. Power of Three1.Question2.Answer3.大神解答4.我的收获1.QuestionGiven an integer, write a function to determine if it is a power of three....
2019-07-05 21:09:16
404
原创 Leetcode刷题114-66. 加一(C++最简单实现详细解法！！！)
Come from : [https://leetcode-cn.com/problems/plus-one/submissions/]66. Plus One1.Question2.Answer3.大神解答4.我的收获1.QuestionGiven a non-empty array of digits representing a non-negative integer, plus...
2019-07-04 21:28:56
413
原创 Leetcode刷题112-69. x的平方根(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/sqrtx/]69. Sqrt[x]1.Question2.Answer3.大神解答4.我的收获1.QuestionImplement int sqrt(int x).Compute and return the square root of x, where x is guaranteed t...
2019-07-02 21:41:55
573
1
原创 Leetcode刷题111-350. 两个数组的交集Ⅱ(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/intersection-of-two-arrays-ii/submissions/]350. Intersection of Two Arrays II1.Question2.Answer3.大神解答4.我的收获1.QuestionGiven two arrays, write a functio...
2019-07-01 21:20:53
256
原创 Leetcode刷题103-232. 用栈实现队列(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/implement-stack-using-queues/submissions/]232. Implement Queue using Stacks1.Question2.Answer3.我的收获1.QuestionImplement the following operations of a q...
2019-06-18 20:31:42
207
原创 Leetcode刷题102-155. 最小栈(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/min-stack/]155. Min Stack1.Question2.Answer3.我的收获1.QuestionDesign a stack that supports push, pop, top, and retrieving the minimum element in constant...
2019-06-17 20:57:44
269
原创 Leetcode刷题101-225. 用队列实现栈(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/implement-stack-using-queues/submissions/]225. Implement Stack using Queues1.Question2.Answer3.我的收获1.QuestionImplement the following operations of a s...
2019-06-16 21:17:38
232
原创 Leetcode刷题100-45. 跳跃游戏 II (C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/jump-game-ii/]45. Jump Game II1.Question2.Answer3.大神的算法4.我的收获1.QuestionGiven an array of non-negative integers, you are initially positioned at the fi...
2019-06-12 21:51:01
673
原创 Leetcode刷题99-55. 跳跃游戏(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/jump-game/]55. Jump Game1.Question2.Answer3.大神的算法4.我的收获1.QuestionGiven an array of non-negative integers, you are initially positioned at the first in...
2019-06-11 21:58:05
451
原创 Leetcode刷题98-402. 移掉K位数字(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/remove-k-digits/]402. Remove K Digits1.Question2.Answer3.大神的算法4.我的收获1.QuestionGiven a non-negative integer num represented as a string, remove k digit...
2019-06-10 22:16:36
588
原创 Leetcode刷题97-376. 摆动序列(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/assign-cookies/]120. Triangle1.Question2.Answer3.我的收获1.QuestionAssume you are an awesome parent and want to give your children some cookies. But, you ...
2019-06-08 21:37:16
480
原创 Leetcode刷题96-455. 分发饼干(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/assign-cookies/]120. Triangle1.Question2.Answer3.我的收获1.QuestionAssume you are an awesome parent and want to give your children some cookies. But, you ...
2019-06-07 22:20:45
579
原创 Leetcode刷题94-120. 三角形最小路径和(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/longest-common-prefix/]14. Longest Common Prefix1.Question2.Answer3.我的收获1.QuestionWrite a function to find the longest common prefix string amongst an...
2019-06-05 21:33:23
231
原创 Leetcode刷题93-14. 最长公共前缀(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/longest-common-prefix/]14. Longest Common Prefix1.Question2.Answer3.我的收获1.QuestionWrite a function to find the longest common prefix string amongst an...
2019-06-04 15:34:14
434
原创 Leetcode刷题91-53. 最大子序和(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/maximum-subarray/]53. Maximum Subarray1.Question2.Answer3.我的收获1.QuestionGiven an integer array nums, find the contiguous subarray (containing at least...
2019-06-03 09:40:17
324
原创 Leetcode刷题89-70. 爬楼梯(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/climbing-stairs/]70. Climbing Stairs1.Question2.Answer3.我的收获1.QuestionYou are climbing a stair case. It takes n steps to reach to the top.Each time y...
2019-05-28 21:32:17
514
原创 Leetcode刷题86-409. 最长回文串(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/longest-palindrome/]409. Longest Palindrome1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven a string which consists of lowercase or uppercase letters...
2019-05-25 21:55:29
249
原创 Leetcode刷题85-191. 位1的个数(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/number-of-1-bits/]191. Number of 1 Bits1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionWrite a function that takes an unsigned integer and return the numb...
2019-05-24 21:58:48
225
原创 Leetcode刷题84-908. 最小差值 I(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/smallest-range-i/submissions/]908. Smallest Range I1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven an array A of integers, for each integer A[i] we ...
2019-05-23 19:59:31
344
原创 Leetcode刷题83-643. 子数组最大平均数 I(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/maximum-average-subarray-i/]643. Maximum Average Subarray I1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven an array consisting of n integers, find t...
2019-05-20 21:21:03
457
原创 Leetcode刷题82-551. 学生出勤记录 I(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/student-attendance-record-i/]551. Student Attendance Record I1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionYou are given a string representing an attend...
2019-05-19 21:25:47
592
转载 MATLAB错误使用 figure 设置 Figure 的 'Number' 属性时: 值必须是双精度标量或空矩阵
1.问题描述：这几天 在跑 目标跟踪的 matlab 代码时候，遇到这种情况：MATLAB错误使用figure设置 Figure 的 ‘Number’ 属性时:值必须是双精度标量或空矩阵2.解决方案：将 ‘Number’ 替换成 ‘UserData’ 即可。...
2019-05-18 15:02:25
3789
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原创 Leetcode刷题81-383. 赎金信(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/ransom-note/]383. Ransom Note1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven an arbitrary ransom note string and another string containing letters f...
2019-05-18 14:52:49
570
原创 Leetcode刷题80-628. 三个数的最大乘积(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/maximum-product-of-three-numbers/]628. Maximum Product of Three Numbers1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven an integer array, find three ...
2019-05-16 20:23:52
402
原创 Leetcode刷题79-697. 数组的度(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/degree-of-an-array/]697. Degree of an Array1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven a non-empty array of non-negative integers nums, the degr...
2019-05-15 19:56:03
372
原创 Leetcode刷题78-520. 检测大写字母(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/detect-capital/]520. Detect Capital1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven a word, you need to judge whether the usage of capitals in it is ...
2019-05-14 22:12:13
420
原创 Leetcode刷题77-888. 公平的糖果交换(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/fair-candy-swap/]888. Fair Candy Swap1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionAlice and Bob have candy bars of different sizes: A[i] is the size of...
2019-05-13 21:42:20
507
原创 Leetcode刷题76-1033. 移动石子直到连续(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/moving-stones-until-consecutive/]1033. Moving Stones Until Consecutive1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionThree stones are on a number line at...
2019-05-11 20:02:38
476
原创 Leetcode刷题75-896. 单调数列(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/monotonic-array/]896. Monotonic Array1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionAn array is monotonic if it is either monotone increasing or monotone...
2019-05-10 21:21:46
460
原创 Leetcode刷题74-283. 移动零(C++详细解法！！！)
Come from : [https://leetcode-cn.com/problems/move-zeroes/]283. Move Zeroes1.Question2.Answer3.大神们的解决方案4.我的收获1.QuestionGiven an array nums, write a function to move all 0’s to the end of it while ...
2019-05-09 20:35:27
314
aes-cbc-master.rar
2020-07-29
卷积神经网络(CNN)的17篇有影响力的论文题目和创新点介绍
2018-11-29
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