• 2024-06-24LeetCode 502 IPO All In One
    LeetCode502IPOAllInOneIPOdifficulty:Hard/难度:困难solutionshttps://leetcode.com/problems/ipo/description/?envType=daily-question&envId=2024-06-15demos//export{};functionprintSubArrays(arr,start=0,end=0){//Stopifwe
  • 2024-06-23How to get all subarrays from an array by using JavaScript All In One
    HowtogetallsubarraysfromanarraybyusingJavaScriptAllInOneJavaScript动态生成其所有的子数组算法difficulty:Medium/难度:中等solutionsdemos//双指针???//functionnumberOfSubarrays(nums:number[],k:number):number{//letcount=0
  • 2024-06-16209. Minimum Size Subarray Sum
    Givenanarrayofpositiveintegersnumsandapositiveintegertarget,returntheminimallengthofasubarraywhosesumisgreaterthanorequaltotarget.Ifthereisnosuchsubarray,return0instead.Example1:Input:target=7,nums=[2,3,1,2,
  • 2024-06-10LeetCode 974 Subarray Sums Divisible by K All In One
    LeetCode974SubarraySumsDivisiblebyKAllInOneLeetCode974能被K整除的子数组之和errosfunctionsubarraysDivByK(nums:number[],k:number):number{//-5/0/5letcount:number=0;//单个元素for(leti=0;i<nums.length;i++){
  • 2024-06-02Leetcode 3171. Find Subarray With Bitwise AND Closest to K
    Leetcode3171.FindSubarrayWithBitwiseANDClosesttoK1.解题思路2.代码实现题目链接:3171.FindSubarrayWithBitwiseANDClosesttoK1.解题思路这道题坦率地说让我感觉很挫败,又一次没有自力搞定,是看了大佬们的答案才搞定的……知道比没有搞定更难受的
  • 2024-05-17LeetCode 918. Maximum Sum Circular Subarray
    原题链接在这里:https://leetcode.com/problems/maximum-sum-circular-subarray/description/题目:Givena circularintegerarray nums oflength n,return themaximumpossiblesumofanon-empty subarray of nums.A circulararray meanstheendofthearray
  • 2024-05-0953_Maximum Subarray-最大子数组
    问题描述Givenanintegerarray nums,findthe subarray withthelargestsum,andreturn itssum.给定一个数组nums,找到一个子数组。使它的和最大,返回子数组例子Input:nums=[-2,1,-3,4,-1,2,1,-5,4]Output:6Explanation:子数组[4,-1,2,1]有最大的和6.基
  • 2024-05-09LeetCode 1186. Maximum Subarray Sum with One Deletion
    原题链接在这里:https://leetcode.com/problems/maximum-subarray-sum-with-one-deletion/description/题目:Givenanarrayofintegers,returnthemaximumsumfora non-empty subarray(contiguouselements)withatmostoneelementdeletion. Inotherwords,youwa
  • 2024-04-30[53] Maximum Subarray
    算法助手用户:这题应该怎么做?Givenanintegerarraynums,findthesubarraywiththelargestsum,andreturnitssum.ChatGPT:这个问题是一个非常经典的算法问题,被称为最大子数组和问题,可以通过动态规划(DynamicProgramming)的方法高效解决。我们可以使用一个名为“Kadan
  • 2024-04-10Increase Subarray Sums
    原题链接题解观察数据范围,看到\(n<=5000\)便确定了\(O(n^2)\)左右的算法,这样一来我可以遍历所有的区间虽然每个\(f(k)\)对应的答案区间都不同,但一定能遍历到,所以我可以再遍历一遍k,算出以该区间为答案区间时的\(f(k)\)但是这样一来时间复杂度就超了,于是能不能优化?假如
  • 2024-04-03LeetCode 2461. Maximum Sum of Distinct Subarrays With Length K
    原题链接在这里:https://leetcode.com/problems/maximum-sum-of-distinct-subarrays-with-length-k/description/题目:Youaregivenanintegerarray nums andaninteger k.Findthemaximumsubarraysumofallthesubarraysof nums thatmeetthefollowingconditi
  • 2024-03-26CF1270B - Interesting Subarray | 思维
    links给出一个长度为\(n\)的序列\(a_1,a_2,\cdots,a_n\),求一子段\(a_l,a_{l+1},a_{l+2},\cdots,a_{r-1},a_r\),满足\(\max\{a_l,\cdots,a_r\}-\min\{a_l,\cdots,a_r\}\geqr-l+1\)。若有多个,输出任意一个子段的左右端点即可。若不存在,输出NO。\(n\leq
  • 2023-11-02子序列求和最大问题
    子序列求和最大问题是给定一个序列数组,求出连续序列的子数组的和最大。这样的问题可以用动态规划来求解,关于动态规划,在前面已经做了比较详细的讲解了。https://www.cnblogs.com/wancy/p/16741342.html1.子序列求和假设现在有一个数组为[1,-2,0,3,-2,4,6,-5,2],根据排列
  • 2023-09-16CF1827B1
    RangeSorting(EasyVersion)题面翻译对一个数组\(\{p_i\}\)的一段区间\([l,r]\)排序的代价为\(r-l\),对整个数组\(p_i\)排序的代价为选定若干区间并排序,使得整个数组有序的代价之和。求\(\{a_i\}\)的所有子段排序的代价之和。题目描述Theonlydifferencebetween
  • 2023-08-18[LeetCode][53]maximum-subarray
    ContentGivenanintegerarraynums,findthesubarraywiththelargestsum,andreturnitssum. Example1:Input:nums=[-2,1,-3,4,-1,2,1,-5,4]Output:6Explanation:Thesubarray[4,-1,2,1]hasthelargestsum6.Example2:Input:nums=[1]Output:
  • 2023-08-17[53]Maximum Subarray
    ContentGivenanintegerarraynums,findthesubarraywiththelargestsum,andreturnitssum.Example1:Input:nums=[-2,1,-3,4,-1,2,1,-5,4]Output:6Explanation:Thesubarray[4,-1,2,1]hasthelargestsum6.Example2:Input:nums=[1]Output:1
  • 2023-08-14Codechef - Longest AND Subarray(位运算)
    题目大意  给定一个正整数N,其序列为[1,2,3,...,N],找到一个长度最大的连续子列,使得其所有元素取与运算的结果为正(最终输出只需要输出最大长度即可)。 思路  刚开始可能并不好注意到,可以举一些小的样例来找规律。比如2:1&2=0,不满足条件,所以只能取长度为1的数组[1]或
  • 2023-08-14[LeetCode] 2369. Check if There is a Valid Partition For The Array
    Youaregivena 0-indexed integerarray nums.Youhavetopartitionthearrayintooneormore contiguous subarrays.Wecallapartitionofthearray valid ifeachoftheobtainedsubarrayssatisfies one ofthefollowingconditions:Thesubarraycon
  • 2023-08-13Leetcode No.53 Maximum Subarray
    参考资料:考点:子串&动态规划&[题干]Input:nums=[-2,1,-3,4,-1,2,1,-5,4]Output:6Explanation:Thesubarray[4,-1,2,1]hasthelargestsum6.1.心路历程这道题非常经典,蕴含的思想也是精巧无比。2.正解简单来说官解就是找到了题目中
  • 2023-07-25918. Maximum Sum Circular Subarray (Medium)
    Description918.MaximumSumCircularSubarray(Medium)Givenacircularintegerarraynumsoflengthn,returnthemaximumpossiblesumofanon-emptysubarrayofnums.Acirculararraymeanstheendofthearrayconnectstothebeginningofthearray.F
  • 2023-07-19[LeetCode] 2461. Maximum Sum of Distinct Subarrays With Length K
    Youaregivenanintegerarray nums andaninteger k.Findthemaximumsubarraysumofallthesubarraysof nums thatmeetthefollowingconditions:Thelengthofthesubarrayis k,andAlltheelementsofthesubarrayare distinct.Return themaxim
  • 2023-06-28牛客练习赛112 B qsgg and Subarray
    这里介绍两种解法,贪心和二分核心:只要某一个区间和为0,则所有包含该区间的和都为0贪心根据题意是求出所有⊕和为0的子区间的个数,我们按a[i]来分类,每次求出以a[i]为末尾,区间和为0的区间个数,对于a[i]来说,要想u~i的区间和为0,则需要包含所有a[i]中位为1都有0与之对应,如果u~i的区间和
  • 2023-06-20[LeetCode] 2090. K Radius Subarray Averages
    Youaregivena 0-indexed array nums of n integers,andaninteger k.The k-radiusaverage forasubarrayof nums centered atsomeindex i withthe radius k istheaverageof all elementsin nums betweentheindices i-k and i+k (i
  • 2023-05-30leetcode 53. Maximum Subarray
    Givenanintegerarraynums,findthecontiguoussubarray (containingatleastonenumber)whichhasthelargestsumandreturnitssum.Example:Input:[-2,1,-3,4,-1,2,1,-5,4],Output:6Explanation: [4,-1,2,1]hasthelargestsum=6.Followup:Ifyouhavef
  • 2023-05-12文心一言 VS chatgpt (16)-- 算法导论4.1 1~2题
    一、当A的所有元素均为负数时,FIND-MAXIMUM-SUBARRAY返回什么?文心一言:当A的所有元素均为负数时,FIND-MAXIMUM-SUBARRAY返回-1。这是因为在二进制中,当所有元素均为负数时,A的每个元素都对应一个负数,而-1的二进制表示是11111111,与A的每个元素的值的每一位的负号是相对应的,所以,如果F