链接:https://www.nowcoder.com/acm/contest/105/H来源:牛客网 n个桶按顺序排列,我们用1~n给桶标号.有两种操作: 1 l r c 区间[l,r]中的每个桶中都放入一个颜色为c的球 (1≤l,r ≤n,l≤r,0≤c≤60) 2 l r 查询区间[l,r]的桶中有多少种不同颜色的球 (1≤l,r ≤n,l≤r) 输入描述: 有多组数据,对于每组数据:第一行有两个整数n,m(1≤n,m≤100000)接下来m行,代表m个操作,格式如题目所示.…
posters 时间限制:1000 ms | 内存限制:65535 KB 难度:6 描述 The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The city council has finally de…
Mayor's posters Time Limit: 1000MS Memory Limit: 65536K Description The citizens of Bytetown, AB, could not stand that the candidates in the mayoral election campaign have been placing their electoral posters at all places at their whim. The cit…
[BZOJ1645][Usaco2007 Open]City Horizon 城市地平线 Description Farmer John has taken his cows on a trip to the city! As the sun sets, the cows gaze at the city horizon and observe the beautiful silhouettes formed by the rectangular buildings. The entire ho…