题目: We have a sorted set of digits D, a non-empty subset of {'1','2','3','4','5','6','7','8','9'}. (Note that '0' is not included.) Now, we write numbers using these digits, using each digit as many times as we want. For example, if D = {'1','3','5…
We have a sorted set of digits D, a non-empty subset of {'1','2','3','4','5','6','7','8','9'}. (Note that '0' is not included.) Now, we write numbers using these digits, using each digit as many times as we want. For example, if D = {'1','3','5'},…
We have a sorted set of digits D, a non-empty subset of {'1','2','3','4','5','6','7','8','9'}. (Note that '0' is not included.) Now, we write numbers using these digits, using each digit as many times as we want. For example, if D = {'1','3','5'},…
We have a sorted set of digits D, a non-empty subset of {'1','2','3','4','5','6','7','8','9'}. (Note that '0' is not included.) Now, we write numbers using these digits, using each digit as many times as we want. For example, if D = {'1','3','5'},…
应该是常数 N的位数时间级别 我的这个方法超时很严重...但是特此记录 费劲巴拉写的... 超时: int atMostNGivenDigitSet(char** D, int DSize, int N) { int *array = (int *)malloc(sizeof(int) * 10); for (int i = 0; i < 10; i ++) array[i] = 0; for (int j = 1; j < 10; j ++) { if (j - 1 < DSize)…
2019-10-14 22:21:29 问题描述: 问题求解: 暴力求解必然会超时,那么就需要考虑数学的方法来降低时间复杂度了. public int atMostNGivenDigitSet(String[] D, int N) { int n = D.length; int res = 0; char[] chs = new char[n]; for (int i = 0; i < n; i++) { chs[i] = D[i].charAt(0); } char[] nums = Stri…
http://codeforces.com/contest/747/problem/F cf #387 div2 problem f 非常好的一道题.看完题,然后就不知道怎么做,感觉是dp,但是不知道怎么枚举.还有就是一般求第k小的思路一般是什么?对这类题目理解的不是很好. 这道题,跟上一篇的题解里面写的hdu 1002 递增数的题目的解法差不多,但是底层的求解需要花一些时间去推敲! 不会做,就看官方题解,看不懂说的什么.就从下面的讨论找大神的题解. I can describe my solu…
http://www.intel.com/content/www/us/en/processors/processor-numbers.html About Intel® Processor Numbers The processor number is one of several factors, along with processor brand, specific system configurations, and system-level benchmarks, to be con…
1289. One Way Ticket Time limit: 1.0 secondMemory limit: 64 MB A crowed of volunteers dressed in the star striped overalls have filled the starport. There starcraft leaves to the thorium mines of Haron. Their job will be hard and dangerous. Will many…
1003: All Your Base Time Limit: 1 Sec Memory Limit: 128 MB Submit: 4 Solved: 2 Description Premise: Given a specification for a “base” (well, actually a mixed radix number system), take in pairs of numbers written in our “base”, perform a s…
1 题目:2.2.1 Add Two Numbers You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4…
请点击页面左上角 -> Fork me on Github 或直接访问本项目Github地址:LeetCode Solution by Swift 说明:题目中含有$符号则为付费题目. 如:[Swift]LeetCode156.二叉树的上下颠倒 $ Binary Tree Upside Down 请下拉滚动条查看最新 Weekly Contest!!! Swift LeetCode 目录 | Catalog 序 号 题名Title 难度 Difficulty 两数之…
Given a 32-bit signed integer, reverse digits of an integer. Example 1: Input: 123 Output: 321 Example 2: Input: -123 Output: -321 Example 3: Input: 120 Output: 21 Note:Assume we are dealing with an environment which could only store integers within…
D. Rat Kwesh and Cheese 题目连接: http://www.codeforces.com/contest/621/problem/D Description Wet Shark asked Rat Kwesh to generate three positive real numbers x, y and z, from 0.1 to 200.0, inclusive. Wet Krash wants to impress Wet Shark, so all generat…
bc(1) General Commands Manual bc(1) NAME bc - An arbitrary precision calculator language SYNTAX bc [ -hlwsqv ] [long-options] [ file ... ] DESCRIPTION bc is a language that supports arbitrary precision numbers with interactive execution of statements…
time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Wet Shark asked Rat Kwesh to generate three positive real numbers x, y and z, from 0.1 to 200.0, inclusive. Wet Krash wants to impress Wet Shark…
All LeetCode Questions List(Part of Answers, still updating) 题目汇总及部分答案(持续更新中) Leetcode problems classified by company 题目按公司分类(Last updated: October 2, 2017) . Top Interview Questions # Title Difficulty Acceptance 1 Two Sum Medium 17.70% 2 Add Two N…
# Title Solution Acceptance Difficulty Frequency 4 Median of Two Sorted Arrays 27.2% Hard 10 Regular Expression Matching 25.6% Hard 23 Merge k Sorted Lists 35.8% Hard 25 Reverse Nodes in k-Group 37.7% Hard …
Given a positive integer N, return the number of positive integers less than or equal to N that have at least 1 repeated digit. Example 1: Input: 20 Output: 1 Explanation: The only positive number (<= 20) with at least 1 repeated digit is 11. Example…
You are given two linked lists representing two non-negative numbers. The most significant digit comes first and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. You may assume the two numbers do not con…
Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. For example: Given n = 13, Return 6, because digit 1 occurred in the following numbers: 1, 10, 11, 12, 13. Hint: Beware of overflow.…
Given a text file file.txt that contains list of phone numbers (one per line), write a one liner bash script to print all valid phone numbers. You may assume that a valid phone number must appear in one of the following two formats: (xxx) xxx-xxxx or…
You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 -> 6 ->…
题目: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 -> 6 -&…
题目描述: You are given two linked lists representing two non-negative numbers. The digits are stored in reverse order and each of their nodes contain a single digit. Add the two numbers and return it as a linked list. Input: (2 -> 4 -> 3) + (5 -> 6…
D. Magic Numbers time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Consider the decimal presentation of an integer. Let's call a number d-magic if digit d appears in decimal presentation of…
Given an integer n, count the total number of digit 1 appearing in all non-negative integers less than or equal to n. For example:Given n = 13,Return 6, because digit 1 occurred in the following numbers: 1, 10, 11, 12, 13. Hint: Beware of overflow. 大…
