不积跬步无以至千里

Find AmirA few years ago Sajjad left his school and register to another one due to security reasons. Now he wishes to find Amir, one of his schoolmates and good friends.There are n schools numer

Balala Power!Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 4809    Accepted Submission(s): 387Problem DescriptionTalented

KazaQ's SocksTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Problem DescriptionKazaQ wears sock

Add More ZeroTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Problem DescriptionThere is a young

Counting DivisorsTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1374    Accepted Submission(s): 495Problem DescriptionIn mat

Regular polygonTime Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Problem DescriptionOn a two-dimensi

Maximum SequenceTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Problem DescriptionSteph is extrem

Is Derek lying?Time Limit: 3000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0Problem DescriptionDerek and Alfia

TrickGCDTime Limit: 5000/2500 MS (Java/Others)    Memory Limit: 262144/262144 K (Java/Others)Total Submission(s): 875    Accepted Submission(s): 343Problem DescriptionYou are given an

ChessAccepts: 1805Submissions: 5738Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Problem Description車是中国象棋中的一种棋子，它能攻击同一行或同一列中没有其他棋子阻隔的棋

小小粉丝度度熊Accepts: 1075Submissions: 5191Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Problem Description度度熊喜欢着喵哈哈村的大明星——星星小姐。为什么度度熊会喜欢星

D. Suitable Replacementtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given two strings s and t co

题意："最小点覆盖集"是个NP完全问题 有一个近似算法是说—每次选取度数最大的点（如果有多个这样的点，则选择最后一个） 让你构造一个图，使得其近似算法求出来点数是你给定的覆盖点数的至少3倍。解法：可以把左边的点编号1~n，将左边的点进行n次分块，第i次分块中每块的大小为i，对于每一块的点，都在右边创建一个新节点与这些点相连。①右边的点的度数为n，n-1，n-2，...，n/

QuestionnaireTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 23    Accepted Submission(s): 17Special JudgeProblem DescriptionI

000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 27    Accepted Submission(s): 25Problem DescriptionLittle Q's clock is alarming! It's time to get

度度熊与邪恶大魔王  Accepts: 3666  Submissions: 22474 Time Limit: 2000/1000 MS (Java/Others)  Memory Limit: 32768/32768 K (Java/Others)Problem Description度度熊为了拯救可爱的公主，于是与邪恶大魔王战斗

Kanade’s sumTime Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 664 Accepted Submission(s): 256Problem Description Give you an array A[1..

RXD and dividingTime Limit: 6000/3000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1107    Accepted Submission(s): 473Problem DescriptionRXD has

Euler theoremTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 518    Accepted Submission(s): 415Problem DescriptionHazelFan is give

KolakoskiTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 766    Accepted Submission(s): 408Problem DescriptionThis is Kolakosiki s

Hard challengeTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1258    Accepted Submission(s): 533Problem DescriptionThere are n

Just do itTime Limit: 5000/2500 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1047    Accepted Submission(s): 606Problem DescriptionThere is a nonnega

Rikka with SubsetTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 837    Accepted Submission(s): 411Problem DescriptionAs we know

InversionTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 8    Accepted Submission(s): 6Problem DescriptionGive an array A, the i

KirinrikiTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 21    Accepted Submission(s): 2Problem DescriptionWe define the distanc

GameiaTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 51    Accepted Submission(s): 12Problem DescriptionAlice and Bob are playi

ClassesTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 7    Accepted Submission(s): 6Problem DescriptionThe school set up three

题目描述就是一个团队如果存在三个或者三个以上的人互为朋友的关系，或者都不是朋友的关系，那么就说明这个团队是一个坏团队，否则输出好团队。解题思路数据不大，暴力大法好，将每个人之间的关系都存于一个w数组之中，注意这里的数组为bool类型，暴力任意三个节点，如果他们之间的关系都为true或者false，则输出 “Bad Team!”，否则输出”Great Team”。与此同时知道