原文链接: https://leetcode-cn.com/problems/two-sum
英文原文Given an array of integers nums and an integer target, return
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原文链接: https://leetcode-cn.com/problems/reverse-integer
英文原文Given a signed 32-bit integer x, return x with its digits r
原文链接: https://leetcode-cn.com/problems/palindrome-number
英文原文Given an integer x, return true if x is palindrome intege
原文链接: https://leetcode-cn.com/problems/roman-to-integer
英文原文Roman numerals are represented by seven different symbols:
原文链接: https://leetcode-cn.com/problems/longest-common-prefix
英文原文Write a function to find the longest common prefix st
原文链接: https://leetcode-cn.com/problems/valid-parentheses
英文原文Given a string s containing just the characters '(
原文链接: https://leetcode-cn.com/problems/merge-two-sorted-lists
英文原文You are given the heads of two sorted linked lists l
原文链接: https://leetcode-cn.com/problems/remove-duplicates-from-sorted-array
英文原文Given an integer array nums sorted in n
原文链接: https://leetcode-cn.com/problems/implement-strstr
英文原文Implement strStr().
Return the index of the first occurre
原文链接: https://leetcode-cn.com/problems/search-insert-position
英文原文Given a sorted array of distinct integers and a targ
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