답안 #77329

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
77329 2018-09-25T19:40:34 Z 298iq 새 집 (APIO18_new_home) C++14
5 / 100
5000 ms 627284 KB
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("fast-math")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")

#include <bits/stdc++.h>

using namespace std;

const int INF = 1e9 + 7;
const int MAXV = 1e8 + 7;

namespace DD {

struct Node {
    multiset <int> ms;
    Node *l, *r;
    Node() {
        ms = {};
        l = r = NULL;
    }
};

void push(Node *t) {
    if (!t->l) t->l = new Node();
    if (!t->r) t->r = new Node();
}

void add(Node *t, int tl, int tr, int p, int x) {
    t->ms.insert(x);
    if (tl == tr) return;
    int tm = tl + (tr - tl) / 2;
    push(t);
    if (p <= tm) add(t->l, tl, tm, p, x);
    else add(t->r, tm + 1, tr, p, x);
}

void del(Node *t, int tl, int tr, int p, int x) {
    t->ms.erase(t->ms.find(x));
    if (tl == tr) return;
    int tm = tl + (tr - tl) / 2;
    push(t);
    if (p <= tm) del(t->l, tl, tm, p, x);
    else del(t->r, tm + 1, tr, p, x);
}

bool get(Node *t, int tl, int tr, int l, int r, int x) {
    if (tr < l || r < tl) return 0;
    if (l <= tl && tr <= r) return (t->ms.size() && *t->ms.rbegin() >= x);
    int tm = tl + (tr - tl) / 2;
    push(t);
    return get(t->l, tl, tm, l, r, x) || get(t->r, tm + 1, tr, l, r, x);
}

};

const int MAXN = 3e5 + 7;

int n, k, q;
int p[MAXN], c[MAXN], l[MAXN], r[MAXN];
int p2[MAXN], t2[MAXN];
void read() {
    cin >> n >> k >> q;
    for (int i = 0; i < n; ++i) {
        cin >> p[i] >> c[i] >> l[i] >> r[i];
        --c[i];
    }
    for (int i = 0; i < q; ++i) {
        cin >> p2[i] >> t2[i];
    }
}

struct Event {
    bool type;
    int t, i;
    Event(bool type_, int t_, int i_) {
        type = type_; t = t_; i = i_;
    }
    Event(){}
};

bool comp(Event a, Event b) {
    return a.t < b.t;
}

int ans[MAXN];
int qper[MAXN];

bool comp1(int i, int j) {
    return t2[i] < t2[j];
}

using namespace DD;

Node *dd = new Node;
multiset <int> ps[MAXN];

void add(int c, int p, int num) {
    auto r = ps[c].lower_bound(p);
    auto l = r; --l;
    del(dd, -INF, INF, *l, *r);
    add(dd, -INF, INF, *l, p);
    add(dd, -INF, INF, p, *r); 
    ps[c].insert(p);
}

void del(int c, int p, int num) {
    auto it = ps[c].lower_bound(p);
    auto l = it; --l;
    auto r = it; ++r;
    del(dd, -INF, INF, *l, p);
    del(dd, -INF, INF, p, *r);
    add(dd, -INF, INF, *l, *r);
    ps[c].erase(it);
}

void upd(Event e) {
    if (e.type) {
        add(c[e.i], p[e.i], e.i);
    }
    else {
        del(c[e.i], p[e.i], e.i);
    }
}

bool check(int l, int r) {
    l = max(l, 1);
    r = min(r, MAXV);
    --l; ++r;
    return !get(dd, -INF, INF, -INF, l, r);
}

int get(int p) {
    if (!check(1, MAXV)) return -1;
    int l = -1;
    int r = MAXV;
    while (l < r - 1) {
        int m = (l + r) / 2;
        if (!check(p - m, p + m)) l = m;
        else r = m;
    }
    return r;
}

void solve() {
    vector <Event> v;
    for (int i = 0; i < n; ++i) {
        v.push_back(Event(1, l[i], i));
        v.push_back(Event(0, r[i] + 1, i));
    }
    sort(v.begin(), v.end(), comp);

    for (int i = 0; i < q; ++i) qper[i] = i;
    sort(qper, qper + q, comp1);

    for (int i = 0; i < k; ++i) {
        ps[i].insert(-INF);
        ps[i].insert(INF);
        add(dd, -INF, INF, -INF, INF);
    }

    int u = 0;
    for (int i = 0; i < q; ++i) {
        while (u < (int)v.size() && v[u].t <= t2[qper[i]]) {
            upd(v[u]);
            ++u;
        }   
        ans[qper[i]] = get(p2[qper[i]]);
    }
}

void print() {
    for (int i = 0; i < q; ++i) {
        cout << ans[i] << '\n';
    }
}

signed main() {
    //freopen("input.txt", "r", stdin);

    ios_base::sync_with_stdio(0);
    cin.tie(0);

    read();
    solve();
    print();

    return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14580 KB Output is correct
3 Correct 15 ms 14580 KB Output is correct
4 Correct 15 ms 14928 KB Output is correct
5 Correct 20 ms 14928 KB Output is correct
6 Correct 31 ms 21472 KB Output is correct
7 Correct 28 ms 21472 KB Output is correct
8 Correct 23 ms 21472 KB Output is correct
9 Correct 25 ms 21472 KB Output is correct
10 Correct 32 ms 22320 KB Output is correct
11 Correct 21 ms 22320 KB Output is correct
12 Correct 32 ms 23280 KB Output is correct
13 Correct 19 ms 23280 KB Output is correct
14 Correct 23 ms 23280 KB Output is correct
15 Correct 27 ms 23280 KB Output is correct
16 Correct 29 ms 23280 KB Output is correct
17 Correct 27 ms 23280 KB Output is correct
18 Correct 26 ms 23280 KB Output is correct
19 Correct 26 ms 23280 KB Output is correct
20 Correct 28 ms 23280 KB Output is correct
21 Correct 21 ms 23280 KB Output is correct
22 Correct 26 ms 23280 KB Output is correct
23 Correct 25 ms 23280 KB Output is correct
24 Correct 25 ms 23280 KB Output is correct
25 Correct 25 ms 23280 KB Output is correct
26 Correct 28 ms 23280 KB Output is correct
27 Correct 20 ms 23280 KB Output is correct
28 Correct 27 ms 23280 KB Output is correct
29 Correct 26 ms 23280 KB Output is correct
30 Correct 27 ms 23280 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14580 KB Output is correct
3 Correct 15 ms 14580 KB Output is correct
4 Correct 15 ms 14928 KB Output is correct
5 Correct 20 ms 14928 KB Output is correct
6 Correct 31 ms 21472 KB Output is correct
7 Correct 28 ms 21472 KB Output is correct
8 Correct 23 ms 21472 KB Output is correct
9 Correct 25 ms 21472 KB Output is correct
10 Correct 32 ms 22320 KB Output is correct
11 Correct 21 ms 22320 KB Output is correct
12 Correct 32 ms 23280 KB Output is correct
13 Correct 19 ms 23280 KB Output is correct
14 Correct 23 ms 23280 KB Output is correct
15 Correct 27 ms 23280 KB Output is correct
16 Correct 29 ms 23280 KB Output is correct
17 Correct 27 ms 23280 KB Output is correct
18 Correct 26 ms 23280 KB Output is correct
19 Correct 26 ms 23280 KB Output is correct
20 Correct 28 ms 23280 KB Output is correct
21 Correct 21 ms 23280 KB Output is correct
22 Correct 26 ms 23280 KB Output is correct
23 Correct 25 ms 23280 KB Output is correct
24 Correct 25 ms 23280 KB Output is correct
25 Correct 25 ms 23280 KB Output is correct
26 Correct 28 ms 23280 KB Output is correct
27 Correct 20 ms 23280 KB Output is correct
28 Correct 27 ms 23280 KB Output is correct
29 Correct 26 ms 23280 KB Output is correct
30 Correct 27 ms 23280 KB Output is correct
31 Execution timed out 5057 ms 627284 KB Time limit exceeded
32 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5064 ms 627284 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Execution timed out 5047 ms 627284 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14580 KB Output is correct
3 Correct 15 ms 14580 KB Output is correct
4 Correct 15 ms 14928 KB Output is correct
5 Correct 20 ms 14928 KB Output is correct
6 Correct 31 ms 21472 KB Output is correct
7 Correct 28 ms 21472 KB Output is correct
8 Correct 23 ms 21472 KB Output is correct
9 Correct 25 ms 21472 KB Output is correct
10 Correct 32 ms 22320 KB Output is correct
11 Correct 21 ms 22320 KB Output is correct
12 Correct 32 ms 23280 KB Output is correct
13 Correct 19 ms 23280 KB Output is correct
14 Correct 23 ms 23280 KB Output is correct
15 Correct 27 ms 23280 KB Output is correct
16 Correct 29 ms 23280 KB Output is correct
17 Correct 27 ms 23280 KB Output is correct
18 Correct 26 ms 23280 KB Output is correct
19 Correct 26 ms 23280 KB Output is correct
20 Correct 28 ms 23280 KB Output is correct
21 Correct 21 ms 23280 KB Output is correct
22 Correct 26 ms 23280 KB Output is correct
23 Correct 25 ms 23280 KB Output is correct
24 Correct 25 ms 23280 KB Output is correct
25 Correct 25 ms 23280 KB Output is correct
26 Correct 28 ms 23280 KB Output is correct
27 Correct 20 ms 23280 KB Output is correct
28 Correct 27 ms 23280 KB Output is correct
29 Correct 26 ms 23280 KB Output is correct
30 Correct 27 ms 23280 KB Output is correct
31 Execution timed out 5057 ms 627284 KB Time limit exceeded
32 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 14456 KB Output is correct
2 Correct 15 ms 14580 KB Output is correct
3 Correct 15 ms 14580 KB Output is correct
4 Correct 15 ms 14928 KB Output is correct
5 Correct 20 ms 14928 KB Output is correct
6 Correct 31 ms 21472 KB Output is correct
7 Correct 28 ms 21472 KB Output is correct
8 Correct 23 ms 21472 KB Output is correct
9 Correct 25 ms 21472 KB Output is correct
10 Correct 32 ms 22320 KB Output is correct
11 Correct 21 ms 22320 KB Output is correct
12 Correct 32 ms 23280 KB Output is correct
13 Correct 19 ms 23280 KB Output is correct
14 Correct 23 ms 23280 KB Output is correct
15 Correct 27 ms 23280 KB Output is correct
16 Correct 29 ms 23280 KB Output is correct
17 Correct 27 ms 23280 KB Output is correct
18 Correct 26 ms 23280 KB Output is correct
19 Correct 26 ms 23280 KB Output is correct
20 Correct 28 ms 23280 KB Output is correct
21 Correct 21 ms 23280 KB Output is correct
22 Correct 26 ms 23280 KB Output is correct
23 Correct 25 ms 23280 KB Output is correct
24 Correct 25 ms 23280 KB Output is correct
25 Correct 25 ms 23280 KB Output is correct
26 Correct 28 ms 23280 KB Output is correct
27 Correct 20 ms 23280 KB Output is correct
28 Correct 27 ms 23280 KB Output is correct
29 Correct 26 ms 23280 KB Output is correct
30 Correct 27 ms 23280 KB Output is correct
31 Execution timed out 5057 ms 627284 KB Time limit exceeded
32 Halted 0 ms 0 KB -