摘要:
链接:https://ac.nowcoder.com/acm/contest/26896/1026来源:牛客网 题目描述 Farmer John tries to keep the cows sharp by letting them play with intellectual toys. One 阅读全文
摘要:
链接:https://ac.nowcoder.com/acm/problem/51140来源:牛客网 题目描述 The cows are journeying north to Thunder Bay in Canada to gain cultural enrichment and enjoy a 阅读全文
摘要:
链接:https://ac.nowcoder.com/acm/contest/26896/1021来源:牛客网 题目描述 lxhgww最近收到了一个01序列,序列里面包含了n个数,这些数要么是0,要么是1,现在对于这个序列有五种变换操作和询问操作: 0 a b 把[a, b]区间内的所有数全变成0 阅读全文