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Given an array withnintegers, your task is to check if it could become non decreasing by modifyingat most element. We define an array is non decreasing ifarray i lt array i holds for everyi lt i lt n ...
2017-09-20 22:26 1 7655 推薦指數:
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《力扣算法訓練提升》圖解數組篇-打卡數組統計-【665】非遞減數列 數組的基本特性 數組是最簡單的數據結構。 數組是用來存儲一系列相同類型數據,數據連續存儲,一次性分配內存。 數組中間進行插入和刪除,每次必須搬移后面的所有數據以保持連續,時間復雜度 O(N)。 囧么肥事今日打卡題目 ...
題面 https://loj.ac/problem/3247 題解 考慮CDQ分治。對於\(solve(l,r,v)\)(其中l,r表示當前處理到的區間的左右端點,v是一個vector,存放當前 ...
Given a collection of intervals, find the minimum number of intervals you need to remove to make the rest of the intervals non ...
題目: 給定數組a, 里面的元素先嚴格遞增后嚴格遞減, 求最大值元素的下標. 分析: 看到這道題目的時候, 我腦海中首先浮現出現的是爬山坡. "先遞增"就是爬坡, "后遞減"就是下坡, 而要找的最大值就是"峰頂". 而"嚴格"二字表明數組中不包含重復數字. OK, 我想最簡單的思路 ...
In a given array nums of positive integers, find three non-overlapping subarrays with maximum sum. Each subarray will be of size k, and we want ...
Given a list of non-overlapping axis-aligned rectangles rects, write a function pick which randomly and uniformily picks an integer point ...
Given a positive integer n, find the number of non-negative integers less than or equal to n, whose binary representations do NOT contain ...