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B. Dasha and friendstime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputRunning with barriers on the circle tr

Killer NamesTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 639    Accepted Submission(s): 312Problem Description> Galen Marek,

Counting DivisorsTime Limit: 10000/5000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1105    Accepted Submission(s): 393Problem DescriptionIn mat

LexicographyDescriptionAn anagram of a string is any string that can be formed using the same letters as the original. (We consider the original string an anagram of itself as well.) For examp

B. Mister B and Angle in Polygontime limit per test2 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputOn one quiet day all of su

L2-023. 图着色问题时间限制300 ms内存限制65536 kB代码长度限制8000 B判题程序Standard作者陈越图着色问题是一个著名的NP完全问题。给定无向图 G = (V, E)，问可否用K种颜色为V中的每一个顶点分配一种颜色，使得不会

Specialized Four-Digit NumbersTime Limit: 2 Seconds      Memory Limit: 65536 KBFind and list all four-digit numbers in decimal notation that have the property that the sum of its four digits e

Continuous LoginTime Limit: 2 Seconds      Memory Limit: 131072 KB      Special JudgePierre is recently obsessed with an online game. To encourage users to log in, this game will give users a

4269: 买iphoneTime Limit: 3 Sec  Memory Limit: 128 MBSubmit: 1710  Solved: 316Description自从上次仓鼠中了1000万彩票后，彻底变成了土豪了，一群人愿意认他做干爹，仓鼠决定送他的干儿子每人一部iphone。仓鼠今天带了一群人去买iphone，每个人身上都背着一个大背包，只有3种背包，分

C. Jon Snow and his Favourite Numbertime limit per test4 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputJon Snow now has to fi

ParencodingsTime Limit : 2000/1000ms (Java/Other)   Memory Limit : 65536/32768K (Java/Other)Total Submission(s) : 5   Accepted Submission(s) : 5Font: Times New Roman | Verdana | Georgia

DFSProblem DescriptionA DFS(digital factorial sum) number is found by summing the factorial of every digit of a positive integer.For example ,consider the positive integer 145 = 1!+4!+5!, so

Ice-sugar GourdTime Limit: 5000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1492    Accepted Submission(s): 471Problem DescriptionIce-sugar g

D. Winter is heretime limit per test3 secondsmemory limit per test256 megabytesinputstandard inputoutputstandard outputWinter is here at the North and the White