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답안 #849186

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
849186 2023-09-14T08:46:47 Z hngwlog 새 집 (APIO18_new_home) C++14
12 / 100
 1542 ms 96704 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
#define _size(x) (int)x.size()
#define BIT(i, x) ((x >> i) & 1)
#define MASK(n) ((1 << n) - 1)
#define REP(i, n) for (int i = 0, _n = (n); i < _n; i++)
#define FOR(i, a, b) for (int i = a, _b = (b); i <= _b; i++)
#define FORD(i, a, b) for (int i = a, _b = (b); i >= _b; i--)
#define FORB1(i, mask) for (int i = mask; i > 0; i ^= i & - i)
#define FORB0(i, n, mask) for (int i = ((1 << n) - 1) ^ mask; i > 0; i ^= i & - i)
#define FORALL(i, a) for (auto i: a)
#define fastio ios_base::sync_with_stdio(0); cin.tie(0);

struct storeNode {

    int x, t, a, b;
};

struct queryNode {

    int l, y, id;
};

int n, k, q;
vector<storeNode> store;
vector<queryNode> qu;

namespace subtask12 {

    const int inf = 1e9;

    void main() {

        vector<pair<int, int>> g;
        FOR(i, 1, n) g.push_back({store[i].a, i}), g.push_back({store[i].b, - i});
        REP(i, q) g.push_back({qu[i].y, 0});
        sort(g.begin(), g.end(), [&] (const pair<int, int> a, pair<int, int> b) { return a.fi != b.fi ? a.fi < b.fi : a.se > b.se; });
        sort(qu.begin(), qu.end(), [&] (const queryNode a, queryNode b) { return a.y < b.y; });
        vector<int> ans(q);
        vector<multiset<int>> mts(k + 1);
        int i = 0, z = 0;
        while (i < _size(g)) {
            int j = i;
            while (j < _size(g) && g[j].fi == g[i].fi && g[j].se > 0) {
                int id = g[j].se;
                mts[store[id].t].insert(store[id].x);
                j++;
            }
            while (j < _size(g) && g[j].fi == g[i].fi && g[j].se == 0) j++;
            while (z < q && qu[z].y == g[i].fi) {
                int res = - 1;
                FOR(id, 1, k) {
                    if (mts[id].empty()) {
                        res = - 1;
                        break;
                    }
                    auto it = mts[id].lower_bound(qu[z].l);
                    int _res = inf;
                    if (it != mts[id].end()) _res = min(_res, *it - qu[z].l);
                    if (it != mts[id].begin()) {
                        --it;
                        _res = min(_res, qu[z].l - *it);
                    }
                    res = max(res, _res);
                }
                ans[qu[z].id] = res;
                z++;
            }
            while (j < _size(g) && g[j].fi == g[i].fi) {
                int id = - g[j].se;
                mts[store[id].t].erase(mts[store[id].t].find(store[id].x));
                j++;
            }
            i = j;
        }
        REP(i, q) cout << ans[i] << '\n';
    }
}

bool checkSub34() {

    FOR(i, 1, n) if (store[i].a != 1) return false;
    return true;
}

namespace subtask34 {

    const int inf = 1e9;

    struct segNode {

        int value, lazy = - inf;

        segNode operator + (segNode o) const {

            return {max(value, o.value), - inf};
        }
    };

    struct segTree {

        vector<segNode> ST;

        void init(int n) {

            ST.resize(4 * n + 4);
        }

        void down(int id, int l, int r) {

            int t = ST[id].lazy;
            if (t == - inf) return ;
            ST[id].value = max(ST[id].value, t);
            if (l != r) {
                ST[id * 2].lazy = max(ST[id * 2].lazy, t);
                ST[id * 2 + 1].lazy = max(ST[id * 2 + 1].lazy, t);
            }
            ST[id].lazy = - inf;
        }

        void update(int id, int l, int r, int u, int v, int val) {

            down(id, l, r);
            if (r < u || v < l) return ;
            if (u <= l && r <= v) {
                ST[id].value = max(ST[id].value, val);
                if (l != r) {
                    ST[id * 2].lazy = max(ST[id * 2].lazy, val);
                    ST[id * 2 + 1].lazy = max(ST[id * 2 + 1].lazy, val);
                }
                return ;
            }
            int mid = (l + r) / 2;
            update(id * 2, l, mid, u, v, val);
            update(id * 2 + 1, mid + 1, r, u, v, val);
            ST[id] = ST[id * 2] + ST[id * 2 + 1];
        }

        int get(int id, int l, int r, int u, int v) {

            down(id, l, r);
            if (r < u || v < l) return - inf;
            if (u <= l && r <= v) return ST[id].value;
            int mid = (l + r) / 2;
            return max(get(id * 2, l, mid, u, v), get(id * 2 + 1, mid + 1, r, u, v));
        }
    } st[2];

    void main() {

        vector<int> vtx;
        FOR(i, 1, n) vtx.push_back(store[i].x);
        REP(i, q) vtx.push_back(qu[i].l);
        sort(vtx.begin(), vtx.end());
        vtx.resize(unique(vtx.begin(), vtx.end()) - vtx.begin());

        vector<multiset<int>> mts(k + 1);
        FOR(i, 1, n) mts[store[i].t].insert(lower_bound(vtx.begin(), vtx.end(), store[i].x) - vtx.begin());
        st[0].init(n), st[1].init(n);
        FOR(i, 1, k) {
            if (mts[i].empty()) continue;
            st[0].update(1, 0, _size(vtx) - 1, 0, *mts[i].begin(), vtx[*mts[i].begin()]);
            for (auto it = mts[i].begin(); it != mts[i].end(); it++) {
                auto nit = it;
                nit++;
                if (nit == mts[i].end()) break;
                int id = *it, nid = *nit;
                int pos = lower_bound(vtx.begin(), vtx.end(), (vtx[id] + vtx[nid] + 1) / 2) - vtx.begin();
                st[0].update(1, 0, _size(vtx) - 1, pos, nid, vtx[nid]);
                if (pos > id) st[1].update(1, 0, _size(vtx) - 1, id, pos - 1, - vtx[id]);
            }
            auto it = mts[i].end();
            it--;
            st[1].update(1, 0, _size(vtx) - 1, *it, _size(vtx) - 1, - vtx[*it]);
        }
        vector<pair<int, int>> g;
        FOR(i, 1, n) g.push_back({store[i].b, - i});
        REP(i, q) g.push_back({qu[i].y, i});
        sort(g.begin(), g.end(), [&] (const pair<int, int> a, pair<int, int> b) { return a.fi != b.fi ? a.fi < b.fi : a.se > b.se; });
        int ok = 0;
        vector<int> cnt(k + 1), ans(q);
        FOR(i, 1, n) cnt[store[i].t]++;
        FOR(i, 1, k) ok += (!cnt[i]);
        FORALL(e, g) {
            if (e.se > 0) {
                if (ok) ans[e.se] = - 1;
                else {
                    int pos = lower_bound(vtx.begin(), vtx.end(), qu[e.se].l) - vtx.begin();
                    ans[e.se] = max(st[0].get(1, 0, _size(vtx) - 1, pos, pos) - vtx[pos], vtx[pos] + st[1].get(1, 0, _size(vtx) - 1, pos, pos));
                }
            }
            else break;
        }
        REP(i, q) cout << ans[i] << '\n';
    }
}

int main() {
    fastio;

    cin >> n >> k >> q;
    store.resize(n + 1);
    FOR(i, 1, n) {
        int x, t, a, b;
        cin >> x >> t >> a >> b;
        store[i] = {x, t, a, b};
    }
    qu.resize(q);
    REP(i, q) {
        cin >> qu[i].l >> qu[i].y;
        qu[i].id = i;
    }
    if (max(n, q) <= 60000 && k <= 400) subtask12::main();
    else if (checkSub34()) subtask34::main();
    return 0;
}

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1542 ms 6852 KB Output is correct
32 Correct 68 ms 5080 KB Output is correct
33 Correct 127 ms 5064 KB Output is correct
34 Correct 1240 ms 5120 KB Output is correct
35 Correct 659 ms 6820 KB Output is correct
36 Correct 148 ms 6688 KB Output is correct
37 Correct 118 ms 4288 KB Output is correct
38 Correct 70 ms 4308 KB Output is correct
39 Correct 65 ms 4052 KB Output is correct
40 Correct 65 ms 4052 KB Output is correct
41 Correct 196 ms 4284 KB Output is correct
42 Correct 155 ms 4044 KB Output is correct
43 Correct 165 ms 7096 KB Output is correct
44 Correct 164 ms 4288 KB Output is correct
45 Correct 94 ms 4436 KB Output is correct
46 Correct 55 ms 4084 KB Output is correct
47 Correct 49 ms 4044 KB Output is correct
48 Correct 47 ms 4224 KB Output is correct
49 Correct 62 ms 4044 KB Output is correct
50 Correct 137 ms 4052 KB Output is correct
51 Correct 53 ms 4044 KB Output is correct

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 297 ms 96704 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 309 ms 89988 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1542 ms 6852 KB Output is correct
32 Correct 68 ms 5080 KB Output is correct
33 Correct 127 ms 5064 KB Output is correct
34 Correct 1240 ms 5120 KB Output is correct
35 Correct 659 ms 6820 KB Output is correct
36 Correct 148 ms 6688 KB Output is correct
37 Correct 118 ms 4288 KB Output is correct
38 Correct 70 ms 4308 KB Output is correct
39 Correct 65 ms 4052 KB Output is correct
40 Correct 65 ms 4052 KB Output is correct
41 Correct 196 ms 4284 KB Output is correct
42 Correct 155 ms 4044 KB Output is correct
43 Correct 165 ms 7096 KB Output is correct
44 Correct 164 ms 4288 KB Output is correct
45 Correct 94 ms 4436 KB Output is correct
46 Correct 55 ms 4084 KB Output is correct
47 Correct 49 ms 4044 KB Output is correct
48 Correct 47 ms 4224 KB Output is correct
49 Correct 62 ms 4044 KB Output is correct
50 Correct 137 ms 4052 KB Output is correct
51 Correct 53 ms 4044 KB Output is correct
52 Incorrect 25 ms 1880 KB Output isn't correct
53 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 2 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 2 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 1 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1542 ms 6852 KB Output is correct
32 Correct 68 ms 5080 KB Output is correct
33 Correct 127 ms 5064 KB Output is correct
34 Correct 1240 ms 5120 KB Output is correct
35 Correct 659 ms 6820 KB Output is correct
36 Correct 148 ms 6688 KB Output is correct
37 Correct 118 ms 4288 KB Output is correct
38 Correct 70 ms 4308 KB Output is correct
39 Correct 65 ms 4052 KB Output is correct
40 Correct 65 ms 4052 KB Output is correct
41 Correct 196 ms 4284 KB Output is correct
42 Correct 155 ms 4044 KB Output is correct
43 Correct 165 ms 7096 KB Output is correct
44 Correct 164 ms 4288 KB Output is correct
45 Correct 94 ms 4436 KB Output is correct
46 Correct 55 ms 4084 KB Output is correct
47 Correct 49 ms 4044 KB Output is correct
48 Correct 47 ms 4224 KB Output is correct
49 Correct 62 ms 4044 KB Output is correct
50 Correct 137 ms 4052 KB Output is correct
51 Correct 53 ms 4044 KB Output is correct
52 Runtime error 297 ms 96704 KB Execution killed with signal 11
53 Halted 0 ms 0 KB -