Nightmare Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Othe…

Problem F. Finance 题目连接： http://codeforces.com/gym/100714 Description The Big Boss Company (BBC) principal is …

D. Iterated Linear Function 题目连接： http://www.codeforces.com/contest/678/problem/D Description Consider a linea…

C. Digital Root 题目连接： http://www.codeforces.com/contest/10/problem/C Description Not long ago Billy came acros…

D. Bicycle Race 题目连接： http://www.codeforces.com/contest/659/problem/D Description Maria participates in a bicy…

休生伤杜景死惊开 Time Limit: 3000/1000MS (Java/Others)     Memory Limit: 65535/65535KB (Java/Other…

A * B Problem Plus Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (…

两道有关欧拉回路的例题     POJ1300-Door Man   //判定是否存在从某点到0点的欧拉回路 //Time:0Ms Memory:116K #include<iostr…

病毒侵袭 Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)To…

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1503 题目大意：给出两个单词，要求凑出一个新单词，并且这个新单词包含前两个单词（存在子序列与前两个单词相同）并且长度最短 …

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1099 题目大意：一套卡片有n张，每次购买随机获得一张卡片，问集齐一套卡片的期望次数是多少？ 关键思想：知道此处期望是概率的…

E. The Values You Can Make 题目连接： http://www.codeforces.com/contest/688/problem/E Description Pari wants to buy…