Kanade's sum Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 871 Accepted Submission(s): 357 Problem Description Give you an array A[1..n]of length n. Let f(l,r,k) be the k-th largest element…
题意:略 思路:要我们求每个区间第K大数之和,其实可以转换为求多少个区间的第K大数是X,然后我们在求和就好了. 那么我们可以从小到大枚举所有可能成为第K大的数.为什么从小到大呢? 因为从小到大我们就略去了大小的比较了,后面我们维护的链表就要把这个值除去. /* gyt Live up to every day */ #include<cstdio> #include<cmath> #include<iostream> #include<algorithm>…
Kanade's sum Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2723 Accepted Submission(s): 1132 Problem Description Give you an array A[1..n]of length n. Let f(l,r,k) be the k-th largest eleme…
Kanade's sum Problem Description Give you an array A[1..n]of length n. Let f(l,r,k) be the k-th largest element of A[l..r]. Specially , f(l,r,k)=0 if r−l+1<k. Give you k , you need to calculate ∑nl=1∑nr=lf(l,r,k) There are T test cases. 1≤T≤10 k≤min(…
地址:http://acm.split.hdu.edu.cn/showproblem.php?pid=6058 题目: Kanade's sum Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 505 Accepted Submission(s): 176 Problem Description Give you an array …
Kanade's sum Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2512 Accepted Submission(s): 1045 Problem Description Give you an array A[1..n]of length n. Let f(l,r,k) be the k-th largest eleme…