Tc的专栏

There arendominoes in a line, and we place each domino vertically upright. In the beginning, we simultaneously push some of the dominoes either to the left or to the right.After each second, each domino that is falling to the left pushes the adjacent d..

Given a positive integer n, generate an n x n matrix filled with elements from 1 to n2 in spiral order.Example 1:Input: n = 3Output: [[1,2,3],[8,9,4],[7,6,5]]Example 2:Input: n = 1Output: [[1]]Constraints:1 <= n <= 20题目链接：https:/

There is a car withcapacityempty seats. The vehicle only drives east (i.e., it cannot turn around and drive west).You are given the integercapacityand an arraytripswheretrips[i] = [numPassengersi, fromi, toi]indicates that theithtrip hasnumPas...

One way to serialize a binary tree is to usepreorder traversal. When we encounter a non-null node, we record the node's value. If it is a null node, we record using a sentinel value such as'#'.For example, the above binary tree can be serialized to t..

Return the result of evaluating a given booleanexpression, represented as a string.An expression can either be:"t", evaluating toTrue; "f", evaluating toFalse; "!(expr)", evaluating to the logical NOT of the inner expressionexpr; "&(expr1,ex...

NEUQOJ 1495 田鼠看热闹（Ⅰ）(枚举 + 模拟)

Codeforces 272C Dima and Staircase (线段树区间更新 或 线性扫)

HDU 5455 Fang Fang (水题 模拟)

HDU 5319 Painter (模拟 脑洞题)

C. Removing Columnstime limit per test2 secondsmemory limit per test256 megabytesYou are given an n × m rectangular table consisting of lower case English letters. In one operation

[Offer收割]编程练习赛2 hihocoder 1275 扫地机器人 (计算几何+模拟 比较烦)

hihocoder 1039 字符消除 (枚举+模拟)

hihocoder 1264 神奇字符串 (枚举+模拟)

FZU 2225 小茗的魔法阵 (小模拟)

Codeforces 494A Treasure (思维 模拟)

LeetCode 273 Integer to English Words

LeetCode 71 Simplify Path (栈)

Given a positive integern, find the least number of perfect square numbers (for example,1, 4, 9, 16, ...) which sum ton.Example 1:Input: n = 12Output: 3 Explanation: 12 = 4 + 4 + 4.Exampl...

蓝桥杯训练 十六进制转八进制 (小模拟)

HDU 5191 Building Blocks (模拟)

多校10第二题

Killing MonstersTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1041    Accepted Submission(s): 498 Problem DescriptionKingdom Rush is...

AntsTime Limit: 1000MSMemory Limit: 30000KTotal Submissions: 9659Accepted: 4268DescriptionAn army of ants walk on a horizontal pole of length l cm, each with

Taking Bus                                                            Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)

C. Sums of Digitstime limit per test2 secondsmemory limit per test256 megabytesVasya had a strictly increasing sequence of positive integersa1, ...,an. Vasya used it to build a n

codeforces的思维模拟，很有意思

Ferries WheelTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 56    Accepted Submission(s): 29Problem Description The Ferries Wheel i

Song Jiang's rank listTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 392    Accepted Submission(s): 193Problem Description《Shui H

A Curious MattTime Limit: 2000/2000 MS (Java/Others)    Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 516    Accepted Submission(s): 267Problem DescriptionThere is a cu

K.Bro SortingTime Limit: 2000/2000 MS (Java/Others)    Memory Limit: 512000/512000 K (Java/Others)Total Submission(s): 520    Accepted Submission(s): 285Problem DescriptionMatt’s friend

ZOJ 3818 Pretty Poem (暴力模拟 string(substr))

CodeForces 388A Fox and Box Accumulation (模拟)

POJ 3295 Tautology (栈模拟)

HDU 4041 Eliminate Witches! (栈的模拟)

FZU 2152 文件系统 (小模拟)

POJ 3279 Fliptile (二进制枚举＋模拟)

象棋大模拟