原文:[LeetCode] 996. Number of Squareful Arrays 平方數組的個數

Given an arrayAof non negative integers, the array issquarefulif for every pair of adjacent elements, their sum is a perfect square. Return the number of permutations of A that are squareful. Two per ...

2021-01-11 11:16 0 343 推薦指數:

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[LeetCode] Number of 1 Bits 位1的個數

Write a function that takes an unsigned integer and returns the number of ’1' bits it has (also known as the Hamming weight). For example ...

Tue Mar 10 19:11:00 CST 2015 4 7274
leetcode-977. 有序數組平方

leetcode-977. 有序數組平方 (來自 120周賽) 題意 給定一個按非遞減順序排序的整數數組 A,返回每個數字的平方組成的新數組,要求也按非遞減順序排序。 示例 1: 示例 2: 提示: 1 <= A.length < ...

Sun Jan 20 20:43:00 CST 2019 0 808
[LeetCode] Reach a Number 達到一個數

You are standing at position 0 on an infinite number line. There is a goal at position target. On each move, you can either go left or right. ...

Wed Feb 21 07:44:00 CST 2018 4 4468
 
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