Problem: Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all ...
Given an array of integers where a i n n size of array , some elements appear twice and others appear once. Find all the elements of ,n inclusive that do not appear in this array. Could you do it wit ...
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Problem: Given an array of integers where 1 ≤ a[i] ≤ n (n = size of array), some elements appear twice and others appear once. Find all ...
Find all the elements that appear twice in this array ...
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s. Strings consists of lowercase English letters only ...
Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai < 231. Find the maximum result of ai XOR aj, where 0 ≤ i, j < n. ...
★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★★➤微信公眾號:山青詠芝(let_us_code)➤博主域名:https://www.zengqiang.org➤GitHub地址:https://github.com/strengthen/LeetCode➤原文地址 ...
壹 ❀ 引 十天前做的一道題了,一直沒整理,今天才花時間去讀了官方題解思路,這道題也凸顯出了算法思路的重要性,執行耗時差的真不是一點半點。題目來自448. 找到所有數組中消失的數字,題目描述如下: 給定一個范圍在 1 ≤ a[i] ≤ n ( n = 數組大小 ) 的 整型數組 ...
字符串中是0-9隨機出現的數字。 最先想到的方案一般是循環然后取余,但是如果仔細分析的話,就會發現當數字很大這種方案不可行。 數學定理如果一個數字各個位上的數字和能被3整除這個數字就能被3整除,那么考慮通過計算各個位上的數字和方案就會變的可行; 然后再進行優化,可以提前對每個位上的數字對3取 ...
array_sum — 對數組中所有值求和 說明 array_sum ( array $array ) : number array_sum() 將數組中的所有值相加,並返回結果。 參數 array ...