摘要：
Merry ChristmasTime Limit : 8 sec, Memory Limit : 65536 KBProblem J:Merry ChristmasInternational Christmas Present Company (ICPC) is a company to employ Santa and deliver presents on Christmas. Many parents request ICPC to deliver presents to their children at specified time of December 24. Although 阅读全文
摘要：
Muddy FieldsTime Limit:1000MSMemory Limit:65536KTotal Submissions:7557Accepted:2791DescriptionRain has pummeled the cows' field, a rectangular grid of R rows and C columns (1 2 #include 3 #include 4 #include 5 #include 6 7 using namespace std; 8 9 #define maxn 5510 #define maxnode 250511 12 c... 阅读全文