2783: [JLOI2012]树1787: [Ahoi2008]Meet 紧急集合3251: 树上三角形1012: [JSOI2008]最大数maxnumber Read More
1042: [HAOI2008]硬币购物Time Limit:10 SecMemory Limit:162 MBSubmit:1005Solved:585[Submit][Status]Description硬币购物一共有4种硬币。面值分别为c1,c2,c3,c4。某人去商店买东西,去了tot次。每... Read More
1076: [SCOI2008]奖励关Time Limit:10 SecMemory Limit:162 MBSubmit:727Solved:431[Submit][Status]Description你正在玩你最喜欢的电子游戏,并且刚刚进入一个奖励关。在这个奖励关里,系统将依次随机抛出k次宝物,... Read More
3036: 绿豆蛙的归宿Time Limit:2 SecMemory Limit:128 MBSubmit:108Solved:73[Submit][Status]Description随着新版百度空间的下线,Blog宠物绿豆蛙完成了它的使命,去寻找它新的归宿。给出一个有向无环的连通图,起点为1终点... Read More
1084: [SCOI2005]最大子矩阵Time Limit:10 SecMemory Limit:162 MBSubmit:1129Solved:578[Submit][Status]Description这里有一个n*m的矩阵,请你选出其中k个子矩阵,使得这个k个子矩阵分值之和最大。注意:选出... Read More
1901: Zju2112 Dynamic RankingsTime Limit:10 SecMemory Limit:128 MBSubmit:4231Solved:1764[Submit][Status]Description给定一个含有n个数的序列a[1],a[2],a[3]……a[n],程序... Read More
1562: [NOI2009]变换序列Time Limit:5 SecMemory Limit:64 MBSubmit:1148Solved:599[Submit][Status]DescriptionInputOutputSample Input51 1 2 2 1Sample Output1 2... Read More