2018 Multi-University Training Contest 3

单调队列

反着遍历数组，放进单调队列，每次维护最大值，在维护最大值的时候，队列里是一个递减的序列，也就是正向递增的序列啦～

注意一开始绝对不要memset一次队列，否则会T的很惨。。别问我为什么知道。。。

#include <bits/stdc++.h>
#define INF 0x3f3f3f3f
#define full(a, b) memset(a, b, sizeof a)
#define FAST_IO ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
using namespace std;
typedef long long ll;
inline int lowbit(int x){ return x & (-x); }
inline int read(){
    int X = 0, w = 0; char ch = 0;
    while(!isdigit(ch)) { w |= ch == '-'; ch = getchar(); }
    while(isdigit(ch)) X = (X << 3) + (X << 1) + (ch ^ 48), ch = getchar();
    return w ? -X : X;
}
inline int gcd(int a, int b){ return b ? gcd(b, a % b) : a; }
inline int lcm(int a, int b){ return a / gcd(a, b) * b; }
template<typename T>
inline T max(T x, T y, T z){ return max(max(x, y), z); }
template<typename T>
inline T min(T x, T y, T z){ return min(min(x, y), z); }
template<typename A, typename B, typename C>
inline A fpow(A x, B p, C lyd){
    A ans = 1;
    for(; p; p >>= 1, x = 1LL * x * x % lyd)if(p & 1)ans = 1LL * x * ans % lyd;
    return ans;
}
const int N = 10000005;
int n, m, k, q, p, r, MOD, _, dq[N];
int a[N];

int main(){

    for(_ = read(); _; _ --){
        n = read(), m = read(), k = read(), p = read(), q = read(), r = read(), MOD = read();
        p %= MOD, q %= MOD, r %= MOD;
        for(int i = 1; i <= k; i ++) a[i] = read();
        for(int i = k + 1; i <= n; i ++){
            a[i] = (1LL * p * a[i - 1] + 1LL * q * i + r) % MOD;
        }
        ll x = 0, y = 0;
        int l = 1,  r = 0;
        for(int i = n; i > 0; i --){
            while(l <= r && a[dq[r]] <= a[i]) r --;
            while(l <= r && dq[l] > i + m - 1) l ++;
            dq[++r] = i;
            if(i > n - m + 1) continue;
            x += (a[dq[l]] ^ i);
            y += ((r - l + 1) ^ i);
        }
        printf("%lld %lld
", x, y);

    }
    return 0;
}