NewCoder1024

Given n pairs of parentheses, write a function to generate all combinations of well-fo...

Merge two sorted linked lists and return it as a new list. The new lists. 使用循环遍历的方式，将两...

Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determi...

Given a linked list, remove the n-th node from the end of list and return its head. Gi...

Given an array nums of n integers and an integer target, find three integers in nums s...

Given a string containing digits from 2-9 inclusive, return all possible letter combin...

昨天华为二面的时候碰到了这道题的简化版（两数之和），今天顺序做题的时候就碰到了。不过之前看面经的时候有注意过这个题，所以仔细看看面经是非常重要的。 Given an arr...

Write a function to find the longest common prefix string amongst an array of strings....

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For...

Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For...

Given n non-negative integers a1, a2, ..., an , where each represents a point at coord...

Determine whether an integer is a palindrome. An integer is a palindrome when it reads...

Implement atoi which converts a string to an integer. necessary until the first non-wh...

其实对这个z字型的排列，可以看做一个压栈和弹栈的过程（字符的行数），使用count进行计数，碰到栈顶和栈底切换压栈和弹栈操作即可。 要注意行数为1的特殊情况。 % of J...

Given a 32-bit signed integer, reverse digits of an integer. Assume we are dealing wit...

Given two words word1 and word2, find the minimum number of operations required to con...

There are two sorted arrays nums1 and nums2 of size m and n respectively. Find the med...

Given a string, find the length of the longest substring without repeating characters....

输入一个正整数n,输出一个最小正整数m，使得m的各位乘积等于n，若不存在，则返回-1。 当输入的数据>10时，需要分析求小于10的所有因子，而且要满足因子的个数越少越好，并...