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LeetCode 35. Search Insert Position

Given a sorted array and a target value, return the index if the target is found. If not, return the index where it would be if it were inserted in or...

leetcode

2017-02-20

0 669

LeetCode 9. Palindrome Number

Determine whether an integer is a palindrome. Do this without extra space. 程序代码： bool isPalindrome(int x) { if(x<0) return false; ...

2017-02-20

0 489

LeetCode 8. String to Integer (atoi)

Implement atoi to convert a string to an integer. Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below...

leetcode

2017-02-20

0 445

LeetCode 7. Reverse Integer

Reverse digits of an integer. Example1: x = 123, return 321 Example2: x = -123, return -321 Note: The input is assumed to be a 32-bit signed intege...

leetcode

2017-02-20

0 480

LeetCode 3. Longest Substring Without Repeating Characters

Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc...

leetcode

2017-02-20

0 540

LeetCode 2. Add Two Numbers

You are given two non-empty linked lists representing two non-negative integers. The digits are stored in reverse order and each of their nodes contai...

leetcode

2017-02-20

0 546

LeetCode 1. Two Sum

Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have e...

leetcode

2017-02-20

0 434

PAT-B 1056. 组合数的和

#PAT-B 1056. 组合数的和给定N个非0的个位数字，用其中任意2个数字都可以组合成1个2位的数字。要求所有可能组合出来的2位数字的和。例如给定2、5、8，则可以组合出：25、28、52、58、82、85，它们的和为330。输入格式：输入在一行中先给出N（1<N<10），...

2017-01-14

0 513

PAT-B 1057. 数零壹

PAT-B 1057. 数零壹给定一串长度不超过 <nobr> 105 </nobr>的字符串，本题要求你将其中所有英文字母的序号（字母a-z对应序号1-26，不分大小写）相加，得到整数N，然后再分析一下N的二进制表示中有多少0、多少1。例如给定字符串“PA...

2017-01-14

0 543

PAT-B 1058. 选择题

PAT-B 1058. 选择题批改多选题是比较麻烦的事情，本题就请你写个程序帮助老师批改多选题，并且指出哪道题错的人最多。输入格式：输入在第一行给出两个正整数N（<=1000）和M（<=100），分别是学生人数和多选题的个数。随后M行，每行顺次给出一道题的满分值（不超过5的正...

2017-01-14

0 487