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题目如下： For a string sequence, a string word is k-repeating if word concatenated k times is a substring of sequence. The word's maximum k-repeating valu 阅读全文
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题目如下： You are given an integer array nums. You can choose exactly one index (0-indexed) and remove the element. Notice that the index of the elements 阅读全文
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题目如下： The numeric value of a lowercase character is defined as its position (1-indexed) in the alphabet, so the numeric value of a is 1, the numeric v 阅读全文
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题目如下： Given two string arrays word1 and word2, return true if the two arrays represent the same string, and false otherwise. A string is represented b 阅读全文
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题目如下： You are given an m x n integer grid accounts where accounts[i][j] is the amount of money the ith customer has in the j 阅读全文
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题目如下： Given an integer n, return the decimal value of the binary string formed by concatenating the binary representations of 1 to n in order, modulo 阅读全文
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题目如下： You are given an integer array nums and an integer k. In one operation, you can pick two numbers from the array whose sum equals k and remove th 阅读全文
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题目如下： You own a Goal Parser that can interpret a string command. The command consists of an alphabet of "G", "()" and/or "(al)" in some order. The Goa 阅读全文
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题目如下： You are given a string s consisting only of characters 'a' and 'b'. You can delete any number of characters in s to make s balanced. s is ba 阅读全文
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题目如下： You have a bomb to defuse, and your time is running out! Your informer will provide you with a circular array code of length of n and a key k. T 阅读全文
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题目如下： Given an array of integers nums, sort the array in increasing order based on the frequency of the values. If multiple values have the same frequ 阅读全文
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题目如下： A sequence of numbers is called arithmetic if it consists of at least two elements, and the difference between every two consecutive elements is 阅读全文
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题目如下： A newly designed keypad was tested, where a tester pressed a sequence of n keys, one at a time. You are given a string keysPressed of length n, 阅读全文
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题目如下： Given a string s, return the length of the longest substring between two equal characters, excluding the two characters. If there is no such sub 阅读全文
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题目如下： You are given an array of network towers towers and an integer radius, where towers[i] = [xi, yi, qi] denotes the ith network tower with locatio 阅读全文
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题目如下： Given an integer array arr, return the mean of the remaining integers after removing the smallest 5% and the largest 5% of the elements. Answers 阅读全文
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题目如下： A binary tree is named Even-Odd if it meets the following conditions: The root of the binary tree is at level index 0, its children are at level 阅读全文