hdu-6319-单调队列
Problem A. Ascending Rating
Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)
Total Submission(s): 2884 Accepted Submission(s): 905
Little Q, the coach of Quailty Normal University, is bored to just watch them waiting in the queue. He starts to compare the rating of the contestants. He will pick a continous interval with length m, say [l,l+m−1], and then inspect each contestant from left to right. Initially, he will write down two numbers maxrating=−1and count=0. Everytime he meets a contestant k with strictly higher rating than maxrating, he will change maxrating to ak and count to count+1.
Little T is also a coach waiting for the contest. He knows Little Q is not good at counting, so he is wondering what are the correct final value of maxrating and count. Please write a program to figure out the answer.
In each test case, there are 7 integers n,m,k,p,q,r,MOD(1≤m,k≤n≤107,5≤p,q,r,MOD≤109) in the first line, denoting the number of contestants, the length of interval, and the parameters k,p,q,r,MOD.
In the next line, there are k integers a1,a2,...,ak(0≤ai≤109), denoting the rating of the first k contestants.
To reduce the large input, we will use the following generator. The numbers p,q,r and MOD are given initially. The values ai(k<i≤n) are then produced as follows :
It is guaranteed that ∑n≤7×107 and ∑k≤2×106.
For each test case, you need to print a single line containing two integers A and B, where :
Note that ``⊕'' denotes binary XOR operation.
10 6 10 5 5 5 5
3 2 2 1 5 7 6 8 2 9
#include<bits/stdc++.h>
using namespace std;
#define LL long long
#define inf 0x3f3f3f3f
#define pb push_back
#define pii pair<int,int>
deque<int>q;
int a[];
int main(){
LL n,i,j,k,m,P,Q,R,t,MOD;
scanf("%d",&t);
while(t--){
scanf("%lld%lld%lld%lld%lld%lld%lld",&n,&m,&k,&P,&Q,&R,&MOD);
q.clear();
for(i=;i<=k;++i) scanf("%d",a+i);
for(i=k+;i<=n;++i)a[i]=(P*a[i-]+Q*i+R)%MOD;
LL ans1=,ans2=;
for(i=n;i>=;--i){
while(!q.empty()&&a[i]>=a[q.back()])q.pop_back();
while(!q.empty()&&q.front()>i+m-) q.pop_front();
q.push_back(i);
if(i>n-m+) continue;
ans1+=(a[q.front()]^i);
ans2+=(q.size()^i);
}
cout<<ans1<<' '<<ans2<<endl;
}
return ;
}
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