随笔分类 - 水题-水题也就考考思维
摘要:题目链接:http://codeforces.com/contest/1095/problem/E 解题心得: 刚开始拿到这个题的时候还真的没什么思路,后来仔细想想还是比较简单的。首先题目要求翻转一个括号就要达到符合括号的匹配规则,那么在匹配完符合条件的括号之后有多出的两个括号向左或者向右。 其次从
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摘要:题目链接:http://codeforces.com/contest/1009/problem/D 解题心得: 题意就是给你n个点编号1-n,要你建立m条无向边在两个互质的点之间,最后所有点形成一个连通图。 首先要明白n个点要形成连通图至少需要n-1条边,然后就是找边了,看了一下n和m的范围都是1e
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摘要:C. Convenient For Everybodytime limit per test2 seconds memory limit per test256 megabytesProblem DescriptionIn distant future on Eart...
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摘要:C. Cave Paintingtime limit per test 1 second memory limit per test 256 megabytesProblem DescriptionImp is watching a documentary about...
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摘要:A. Cloning Toystime limit per test 1 second memory limit per test 256 megabytesProblem DescriptionImp likes his plush toy a lot. Rece...
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摘要:B. Perfect Numbertime limit per test2 seconds memory limit per test256 megabytesProblem DescriptionWe consider a positive integer perf...
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摘要:A- Irrational problem pTime Limit: 2000MS Memory Limit: 262144K 64bit IO Format: %I64d& %I64DescriptionLittle Petya was given this pro...
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摘要:传送门:http://codeforces.com/contest/912/problem/BB. New Year’s Evetime limit per test1 second memory limit per test256 megabytesProblem ...
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摘要:题目链接:http://poj.org/problem?id=2965The Pilots Brothers’ refrigeratorTime Limit: 1000MS Memory Limit: 65536KDescriptionThe game “T...
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摘要:B. One Bombtime limit per test1 second memory limit per test256 megabytesProblem DescriptionYou are given a description of a depot. It...
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摘要:D - StackWrite a program which reads an expression in the Reverse Polish notation and prints the computational result. An expression ...
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摘要:AnanagramsMost crossword puzzle fans are used to anagrams — groups of words with the same letters in different orders — for example OP...
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摘要:Andy’s First DictionaryAndy, 8, has a dream - he wants to produce his very own dictionary. This is not an easy task for him, as the nu...
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摘要:Cube paintingWe have a machine for painting cubes. It is supplied with three different colors: blue, red and green. Each face of the c...
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摘要:Ancient CipherAncient Roman empire had a strong government system with various departments, including a secret service department. Imp...
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摘要:Spreadsheet TrackingData in spreadsheets are stored in cells, which are organized in rows (r) and columns (c). Some operations on spre...
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摘要:The Dole QueueTime limit 3000 msDescriptionIn a serious attempt to downsize (reduce) the dole queue, The New National Green Labour Rhi...
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摘要:Hangman JudgeTime limit 3000 msDescriptionIn Hangman Judge, you are to write a program that judges a series of Hangman games. For each...
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摘要:排列2Problem DescriptionRay又对数字的列产生了兴趣: 现有四张卡片,用这四张卡片能排列出很多不同的4位数,要求按从小到大的顺序输出这些4位数。Input每组数据占一行,代表四张卡片上的数字(0using namespace std;const i...
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摘要:Monitor题目描述Reca company makes monitors, the most popular of their models is AB999 with the screen size a × b centimeters. Because of s...
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