Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s ...
Description A sequence of N positive integers lt N lt , each of them less than or equal , and a positive integer S S lt are given. Write a program to find the minimal length of the subsequence of cons ...
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Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s ...
題意:給定一個數組,數組中元素的值只能是1或者-1,求其和為0的最長連續子序列的長度; 數組為1,-1,1,-1,1,-1,1,-1,其結果為:8 數組為1,1,-1,1,1,-1,-1,其結果為:6 解析: 通過分析可知,要使其和為0,只有當1和-1的個數相等時 ...
A sequence of numbers is called a wiggle sequence if the differences between successive numbers s ...
本文主要總結最大連續子序列和的問題及其歷史,這個題目在很多公司的面試中出現,編程之美也有講述。本文主要介紹一維的情形,環形和二維的擴展在下一篇講述。 最大連續子序列和最早是在編程珠璣講述,這個問題最初由布朗大學的統計學家UIF Grenander在處理圖片時提出的,當時是處理二維數組的子 ...
最大連續子序列 Time Limit : 2000/1000ms (Java/Other) Memory Limit : 65536/32768K (Java/Other) Total Submission(s) : 11 Accepted Submission(s ...
鏈接 [https://vjudge.net/contest/281140#problem/P] 題意 給定K個整數的序列{ N1, N2, ..., NK },其任意連續子序列可表示為{ Ni, Ni+1, ..., Nj },其中 1 <= i <= j <= K。最大連續 ...
Given an array of integers `A`, consider all non-empty subsequences of `A`. For any sequence S, let the width of S be the difference between ...
問題描述: 給定兩個序列 X=<x1, x2, ..., xm>, Y<y1, y2, ..., yn>,求X和Y長度最長的公共子序列。(子序列中的字符不要求連續) 這道題可以用動態規划解決。定義c[i, j]表示Xi和Yj的LCS的長度,可得 ...