题目链接 题意:n个数 m个查询 查询的是[l, r]区间内不相同的数的个数 没有修改,因此静态的主席树就好了 将重复的元素建树即可 query的时候加起来,用区间长度(r-l+1)去减就是答案 (query的是[l, r]之间重复元素的个数) typedef long long LL; #define lson l, m #define rson m+1, r ; ], R[N<<], sum[N<<]; int tot; int a[N], T[N]; int read() {…
D-query Time Limit: 227MS Memory Limit: 1572864KB 64bit IO Format: %lld & %llu Submit Status Description English Vietnamese Given a sequence of n numbers a1, a2, ..., an and a number of d-queries. A d-query is a pair (i, j) (1 ≤ i ≤ j ≤ n). For e…
题目 Source http://www.spoj.com/problems/DQUERY/en/ Description Given a sequence of n numbers a1, a2, ..., an and a number of d-queries. A d-query is a pair (i, j) (1 ≤ i ≤ j ≤ n). For each d-query (i, j), you have to return the number of distinct elem…
题目链接:http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=32356 Given a sequence of n numbers a1, a2, ..., an and a number of d-queries. A d-query is a pair (i, j) (1 ≤ i ≤ j ≤ n). For each d-query (i, j), you have to return the number of dist…
DQUERY - D-query Given a sequence of n numbers a1, a2, ..., an and a number of d-queries. A d-query is a pair (i, j) (1 ≤ i ≤ j ≤ n). For each d-query (i, j), you have to return the number of distinct elements in the subsequence ai, ai+1, ..., aj. In…