摘要： Description 昊昊喜欢运动 他N天内会参加M种运动(每种运动用一个[1,m]的整数表示) 现在有Q个操作，操作描述如下 昊昊把第l天到第r天的运动全部换成了x(x∈[1,m]) 问昊昊第l天到第r天参加了多少种不同的运动 Description 昊昊喜欢运动 他N天内会参加M种运动(每种运 阅读全文

摘要： Blocks Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 5035 Accepted: 2065 Description Some of you may have played a game called 'Blocks'. 阅读全文

摘要： A decorative fence Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7221 Accepted: 2723 Description Richard just finished building his new h 阅读全文

摘要： Hie with the Pie Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 6436 Accepted: 3470 Description The Pizazz Pizzeria prides itself in deliv 阅读全文