摘要： Prime Ring ProblemTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 14715Accepted Submission(s): 6720Problem DescriptionA ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of nu 阅读全文

摘要： Kill the monsterTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 502Accepted Submission(s): 345Problem DescriptionThere is a mountain near yifenfei’s hometown. On the mountain lived a big monster. As a hero in hometown, yifenfei wants to kill it. No 阅读全文

摘要： N皇后问题Time Limit: 2000/1000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3730Accepted Submission(s): 1737Problem Description在N*N的方格棋盘放置了N个皇后，使得它们不相互攻击（即任意2个皇后不允许处在同一排，同一列，也不允许处在与棋盘边框成45角的斜线上。你的任务是，对于给定的N，求出有多少种合法的放置方法。Input共有若干行，每行一个正整数N≤10，表示棋盘和皇后的数量；如果N=0，表示结束。Outpu 阅读全文

摘要： Specialized Four-Digit NumbersTime Limit: 2 Seconds Memory Limit: 65536 KBFind and list all four-digit numbers in decimal notation that have the pr... 阅读全文

摘要： Lowest BitTime Limit: 2 Seconds Memory Limit: 65536 KBGiven an positive integer A (1 int main(){ int n,bit_num[7],i; //得到可以组成100以内的二进制数的组合 ... 阅读全文

摘要： HighwaysTime Limit: 2 Seconds Memory Limit: 65536 KB Special JudgeIn a distant country Lineland there are N cities and they are all located along ... 阅读全文

摘要： DeckTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 745Accepted Submission(s): 395Problem Descript... 阅读全文

摘要： DoublesTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 16425Accepted: 9404DescriptionAs part of an arithmetic competency program, your studen... 阅读全文

摘要： Adding Reversed NumbersTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 12526Accepted: 6914DescriptionThe Antique Comedians of Malidinesia pre... 阅读全文

摘要： FactorialTime Limit: 1500MSMemory Limit: 65536KTotal Submissions: 12345Accepted: 7693DescriptionThe most important part of a GSM network is so called ... 阅读全文