Submission #954622

#	Time	Username	Problem	Language	Result	Execution time	Memory
954622		becaido	Sličnost (COI23_slicnost)	C++17	34 / 100	304 ms	250704 KiB

Main

#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

bool X;

const int SIZE = 1e5 + 5;
const int TSIZ = 3e7 + 5;

int n, k, q;
int a[SIZE];
map<int, ll> mp;
pair<int, int> seg[SIZE], ans[SIZE];

struct Node {
    int mx, cnt;
    short lazy;
    Node operator + (const Node &o) const {
        Node re;
        re.mx = max(mx, o.mx);
        re.cnt = (mx == re.mx ? cnt : 0) + (o.mx == re.mx ? o.cnt : 0);
        re.lazy = 0;
        return re;
    }
} node[TSIZ];

int sz, ls[TSIZ], rs[TSIZ], root[SIZE];
int newnode(int pos) {
    sz++;
    node[sz] = node[pos];
    ls[sz] = ls[pos], rs[sz] = rs[pos];
    return sz;
}
void build(int &pos, int l, int r) {
    pos = newnode(pos);
    node[pos].cnt = r - l + 1;
    if (l < r) {
        int mid = (l + r) / 2;
        build(ls[pos], l, mid);
        build(rs[pos], mid + 1, r);
    }
}
void push(int pos, int l, int r) {
    if (node[pos].lazy == 0) return;
    node[pos].mx += node[pos].lazy;
    if (l < r) {
        ls[pos] = newnode(ls[pos]);
        rs[pos] = newnode(rs[pos]);
        node[ls[pos]].lazy += node[pos].lazy;
        node[rs[pos]].lazy += node[pos].lazy;
    }
    node[pos].lazy = 0;
}
void pull(int pos, int l, int r) {
    int mid = (l + r) / 2;
    push(ls[pos], l, mid);
    push(rs[pos], mid + 1, r);
    node[pos] = node[ls[pos]] + node[rs[pos]];
}
void upd(int &pos, int l, int r, int L, int R, int x) {
    pos = newnode(pos);
    if (l == L && r == R) {
        node[pos].lazy += x;
        return;
    }
    int mid = (L + R) / 2;
    push(pos, L, R);
    if (r <= mid) upd(ls[pos], l, r, L, mid, x);
    else if (l > mid) upd(rs[pos], l, r, mid + 1, R, x);
    else {
        upd(ls[pos], l, mid, L, mid, x);
        upd(rs[pos], mid + 1, r, mid + 1, R, x);
    }
    pull(pos, L, R);
}
pair<int, int> que(int pos) {
    push(pos, k, n);
    return {node[pos].mx, node[pos].cnt};
}
void que() {
    while (mp.rbegin()->S == 0) mp.erase(prev(mp.end()));
    cout << mp.rbegin()->F << ' ' << mp.rbegin()->S << '\n';
}

void solve() {
    cin >> n >> k >> q;
    FOR (i, 1, n) cin >> a[i];
    FOR (i, 1, n) {
        int x;
        cin >> x;
        seg[x] = {max(i, k), min(n, i + k - 1)};
    }
    build(root[0], k, n);
    FOR (i, 1, n) {
        auto [l, r] = seg[a[i]];
        root[i] = root[i - 1];
        upd(root[i], l, r, k, n, 1);
        if (i > k) {
            auto [l, r] = seg[a[i - k]];
            upd(root[i], l, r, k, n, -1);
        }
        ans[i] = que(root[i]);
        if (i >= k) mp[ans[i].F] += ans[i].S;
    }
    que();
    while (q--) {
        int p;
        cin >> p;
        if (p >= k) {
            mp[ans[p].F] -= ans[p].S;
            auto [l, r] = seg[a[p]];
            upd(root[p], l, r, k, n, -1);
            tie(l, r) = seg[a[p + 1]];
            upd(root[p], l, r, k, n, 1);
            ans[p] = que(root[p]);
            mp[ans[p].F] += ans[p].S;
        }
        if (p + k <= n) {
            mp[ans[p + k].F] -= ans[p + k].S;
            auto [l, r] = seg[a[p + 1]];
            upd(root[p + k], l, r, k, n, -1);
            tie(l, r) = seg[a[p]];
            upd(root[p + k], l, r, k, n, 1);
            ans[p + k] = que(root[p + k]);
            mp[ans[p + k].F] += ans[p + k].S;
        }
        swap(a[p], a[p + 1]);
        que();
    }
}

bool Y;
int main() {
    // cout << (&Y - &X) / 1048576.0 << '\n';
    // return 0;
    Waimai;
    solve();
}

• Subtask 1: 7 / 7
• Subtask 2: 10 / 10
• Subtask 3: 0 / 33
• Subtask 4: 7 / 7
• Subtask 5: 10 / 10
• Subtask 6: 0 / 33