随笔分类 - 水题
摘要：In a list of songs, the i-th song has a duration of time[i] seconds. Return the number of pairs of songs for which their total duration in seconds is
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摘要：Every non-negative integer N has a binary representation. For example, 5 can be represented as "101" in binary, 11 as "1011" in binary, and so on. Not
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摘要：链接：https://www.nowcoder.com/acm/contest/115/D来源：牛客网 题目描述 事情，是这样的。 有这么一天双休日的中午。 我刚把我衣服扔进了洗衣机，然后拿了个小板凳坐在旁边发呆。 然后突然想到这么无聊干脆玩会阴阳师好了，于是从斗篷帽子里掏出我的手机登录了阴阳师。
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摘要：链接：https://www.nowcoder.com/acm/contest/115/C来源：牛客网 题目描述 决赛圈还剩下两个人，“伏地魔”XDD和跑毒进圈的FZL，XDD拿着狙击枪AWM瞄准并准备射击奔跑中的FZL。 XDD知道自己只有这一次机会，如果失误了，他就会被大哥FZL空中360度甩狙
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摘要：链接：https://www.nowcoder.com/acm/contest/115/B来源：牛客网 题目描述 给出一个出生日期，比如：1999-09-09， 问：从出生那一天开始起，到今天2018-04-21为止（包括出生日期和今天），有多少天，年月日都不包含数字4？ 输入描述: 第一行输入一个
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摘要：链接：https://www.nowcoder.com/acm/contest/115/A来源：牛客网 题目描述 "挤需体验五番钟，里造会挨上这款游戏!" 怎么可能嘛！当我是傻子吗！#?%!“”@…… 于是我就去玩了，然后我果然成功证明，我是正确的，这破游戏，真的很无聊. 有多无聊呢，和这道题一样.
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摘要：Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the nearest l
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摘要：Problem Description 最近流行吃鸡,那就直接输出一行"Winner winner ,chicken dinner!"(没有双引号)模板代码：#include <stdio.h>int main(){printf("hello world\n");return 0;} Input 没
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摘要：Petya is a big fan of mathematics, especially its part related to fractions. Recently he learned that a fraction is called proper iff its numerator is
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摘要：http://acm.hdu.edu.cn/showproblem.php?pid=1854 随手练习
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摘要：http://acm.hdu.edu.cn/showproblem.php?pid=2523 随手练习
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摘要：A B Problem Statement You are given an integer sequence of length N, a1,a2,…,aN. For each 1≤i≤N, you have three choices: add 1 to ai, subtract 1 from
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摘要：Where do odds begin, and where do they end? Where does hope emerge, and will they ever break? Given an integer sequence a1, a2, ..., an of length n. D
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摘要：Description forever97和pikapikachu在玩一种画图游戏，两人相互往一个n*m大的矩形里画半径为r的圆，任意两圆不能相交，圆与矩形也不能相交，不能再画的人输。现在forever97先画，假设两人都足够聪明，均采取最佳策略，问最后谁会赢？ Input 第一行一个正整数T(T<
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摘要：Description 女神YSJ给Martin发了一个视频。“猜猜里面哪个是我。” 女神说。作为一个脸盲，再加上多年不见，Martin已经完全不知道女神长成了什么样子，他表示完全认不出来。好在Martin手上还有一张YSJ小时候的照片，他可以拿照片和视频里的人进行特征比对，从而找出女神。为了简化问
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摘要：Description 小马哥是个追求完美的人，现在给定一个正整数数列，和正整数p，设这个数列中的最大值是M，最小值是m，如果M <= m * p，则称这个数列是完美的，现在给定参数p和一些正整数，请你从中选择尽可能多的数构成一个完美数列。 小马哥是个追求完美的人，现在给定一个正整数数列，和正整数p
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摘要：Vasily has a number a, which he wants to turn into a number b. For this purpose, he can do two types of operations: multiply the current number by 2 (
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摘要：While Mahmoud and Ehab were practicing for IOI, they found a problem which name was Longest common subsequence. They solved it, and then Ehab challeng
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摘要：Sherlock has a new girlfriend (so unlike him!). Valentine's day is coming and he wants to gift her some jewelry. He bought n pieces of jewelry. The i-
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摘要：Our beloved detective, Sherlock is currently trying to catch a serial killer who kills a person each day. Using his powers of deduction, he came to kn
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