pat 7-1 Maximum Subsequence Sum 题目描述 解题思路 这是一道很简单的dp题,dp数组dp[i]代表以j结尾的连续序列的最大和,则有dp[i]=dpi-1,dp[i]=nums[i]+dpi-1,再判断一下全负的特殊情况即可。 代码: #include<iostream> #include<stdio.h> using namespace std; int...
Tree PostOrder(intpre[],intlow,inthigh,intin[],intleft,intright) { Tree T=malloc(sizeof(structTNode)); T->data=pre[low];inti,pos;for(i=left; i<=right; i++) {if(pre[low]==in[i]) { pos=i;break; } }intllen=pos-left,rlen=right-pos;if(llen) T->left=PostOrder(pre,low+...
0891-Sum-of-Subsequence-Widths 0892-Surface-Area-of-3D-Shapes 0893-Groups-of-Special-Equivalent-Strings 0894-All-Possible-Full-Binary-Trees 0895-Maximum-Frequency-Stack 0896-Monotonic-Array 0897-Increasing-Order-Search-Tree 0898-Bitwise-ORs-of-Subarrays 0899-Orderly-Queue 090...
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It is guaranteed that the sum of nn over all test cases does not exceed 50005000 (∑n≤5000∑n≤5000). Output For each test case, print the answer —“YES” (without quotes) if aa has somesubsequenceof length at least 33 that is a palindrome and “NO” otherwise. ...
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Find all unique triplets in the array which gives the sum of zero. Note: The solution set must not contain duplicate triplets. Example: Given array nums = [-1, 0, 1, 2, -1, -4], A solution set is: [ [-1, 0, 1], [-1, -1, 2] ] 3sum。 a + b + c = 0. ...
There is a sequence of integers. Your task is to find the longest subsequence that satisfies the following condition: the difference between the maximum element and the minimum element of the subsequence is no smaller than m and no larger than k. ...
0891-Sum-of-Subsequence-Widths 0892-Surface-Area-of-3D-Shapes 0893-Groups-of-Special-Equivalent-Strings 0894-All-Possible-Full-Binary-Trees 0895-Maximum-Frequency-Stack 0896-Monotonic-Array 0897-Increasing-Order-Search-Tree 0898-Bitwise-ORs-of-Subarrays 0899-Orderly-Queue 090...