小坏蛋_千千

Modular multiplication of polynomialsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 4377 Accepted: 1980DescriptionConsider polynomials whose coefficien

Wooden SticksTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 20391 Accepted: 8611DescriptionThere is a pile of n wooden sticks. The length and weight of

Tian Ji -- The Horse RacingTime Limit: 5000MS Memory Limit: 65536KTotal Submissions: 12585 Accepted: 3898DescriptionHere is a famous story in Chinese history. T

Moving TablesTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 29153 Accepted: 9711DescriptionThe famous ACM (Advanced Computer Maker) Company has rented

Power StringsTime Limit: 3000MS Memory Limit: 65536KTotal Submissions: 41252 Accepted: 17152DescriptionGiven two strings a and b we define a*b to be their concate

给出平面内一个点集，让你求平面内一点距离这些点距离和的最小值~

给出平面内指定多个点，求与它们所围成的区域相距为d的最少线段长度，也就是围成凸包的边长+半径为d的圆的周长~

A prefix of a string is a substring starting at the beginning of the given string. The prefixes of "carbon" are: "c", "ca", "car", "carb", "carbo", and "carbon". Note that the empty string is not considered a prefix in this problem, but every non-empty str

给定长度为N的字符串S，构造一个长度为N的字符串T，并且每次只能对S的首尾字符进行操作，目标是使得构造出的T的字典序尽可能小。还算简单的贪心问题吧！只要确定好贪心策略，就没有什么问题啦~

Number SequenceTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 37876 Accepted: 10944DescriptionA single positive integer i is given. Write a program to

A Funny GameTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5099 Accepted: 3180DescriptionAlice and Bob decide to play a funny game. At the beginn

Grandpa's EstateTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 12816 Accepted: 3604DescriptionBeing the only living descendant of his grandfather

Dog & GopherTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 4142 Accepted: 1747DescriptionA large field has a dog and a gopher. The dog wants to eat the

Number StepsTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 13758 Accepted: 7430DescriptionStarting from point (0,0) on a plane, we have written all non

StepsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 7872 Accepted: 3612DescriptionOne steps through integer points of the straight line. The length of

Box of BricksTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 19949 Accepted: 8029DescriptionLittle Bob likes playing with his box of bricks. He puts the

Adding Reversed NumbersTime Limit: 1000MS Memory Limit: 10000KTotal Submissions: 16738 Accepted: 9134DescriptionThe Antique Comedians of Malidinesia prefer comedi

Speed LimitTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 18666 Accepted: 13047DescriptionBill and Ted are taking a road trip. But the odometer in thei

CalendarTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 12546 Accepted: 4547DescriptionA calendar is a system for measuring time, from hours and minutes

Quick ChangeTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 6111 Accepted: 4358DescriptionJ.P. Flathead’s Grocery Store hires cheap labor to man the c

Root of the ProblemTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 12060 Accepted: 6469DescriptionGiven positive integers B and N, find an integer A suc

Electrical OutletsTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 9597 Accepted: 7186DescriptionRoy has just moved into a new apartment. Well, actually

Error CorrectionTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 6014 Accepted: 3886DescriptionA boolean matrix has the parity property when each row and

The Seven Percent SolutionTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 7684 Accepted: 5159DescriptionUniform Resource Identifiers (or URIs) are strin

A multiplication gameTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5624 Accepted: 2813DescriptionStan and Ollie play the game of multiplication by mul

Primary ArithmeticTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 11135 Accepted: 4093DescriptionChildren are taught to add multi-digit numbers from rig

Common permutationTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 5510 Accepted: 1681DescriptionGiven two strings of lowercase letters, a and b, print t

Scrambled PolygonTime Limit: 1000MS Memory Limit: 30000KTotal Submissions: 8457 Accepted: 4019DescriptionA closed polygon is a figure bounded by a finite nu