Balanced Lineup Time Limit: 5000MS Memory Limit: 65536KTotal Submissions: 38054 Accepted: 17819Case Time Limit: 2000MS Description For the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000)
I Hate It Time Limit: 9000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 37211 Accepted Submission(s): 14699 Problem Description 很多学校流行一种比较的习惯。老师们很喜欢询问
传送⻔ 题意 分析 我们用主席树维护每一个数最后一次出现的位置,然后每次查询就在第 r r r棵树上求最小的,位置小于 l l l的数 代码 #include <bits/stdc++.h>#define debug(x) cout<<#x<<":"<<x<<endl;#define dl(x) printf("%lld\n",x);#define di(x) printf("
你能回答这些问题吗 《算法竞赛进阶指南》 给定长度为 N N N 的数列 A A A,以及 M M M 条指令,每条指令可能是以下两种之一: 1 x y,查询区间 [ x , y ] [x,y] [x,y] 中的最大连续子段和,即 m a x x ≤ l ≤ r ≤ y ∑ i = l r [ i ] max_{x≤l≤r≤y}{∑_{i=l}^r[i]} maxx≤l≤r≤y∑
Problem Description You are given an array a1,a2,…,an(∀i∈[1,n],1≤ai≤n). Initially, each element of the array is unique. Moreover, there are m instructions. Each instruction is in one of the followin