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답안 #160735

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
160735 2019-10-29T15:11:14 Z Minnakhmetov 새 집 (APIO18_new_home) C++14
5 / 100
 1951 ms 1048580 KB 
#include <bits/stdc++.h>
    
#define ll long long
#define all(aaa) aaa.begin(), aaa.end()
  
using namespace std;

struct E {
    int p, t, x, y;
};

const int N = 2e5 + 5, INF = 1e9;
vector<int> vx;
multiset<int> occ[N], t[N];
int n, q, k, cc;
int ans[N];

struct ST {
    vector<int> up[N * 4];
    multiset<int> t[N];

    void push(int v, int L, int R) {
        if (!up[v].empty()) {            
            if (L != R) {
                up[v * 2].insert(up[v * 2].end(), all(up[v]));
                up[v * 2 + 1].insert(up[v * 2 + 1].end(), all(up[v]));
            }
            else {
                for (int x : up[v]) {
                    if (x < 0) {
                        t[L].erase(t[L].find(-x));
                    }
                    else {
                        t[L].insert(x);
                    }
                }    
            }
            up[v].clear();
        }
    }

    void upd(int l, int r, int x, int v, int L, int R) {
        if (l > r)
            return;
        if (l == L && r == R) {
            up[v].push_back(x);
        }
        else {
            push(v, L, R);
            int m = (L + R) >> 1;
            upd(l, min(m, r), x, v * 2, L, m);
            upd(max(m + 1, l), r, x, v * 2 + 1, m + 1, R);
        }
    }
} segt[2];

int que(int x, int v, int L, int R, ST &a, ST &b) {
    a.push(v, L, R);
    b.push(v, L, R);

    if (L == R) {
        if (a.t[L].size() + b.t[L].size() < k)
            return -1;

        int ans = 0;
        if (!a.t[L].empty())
            ans = max(ans, vx[L] - *a.t[L].begin());
        if (!b.t[L].empty())
            ans = max(ans, *b.t[L].rbegin() - vx[L]);

        return ans;
    }
    int m = (L + R) >> 1;
    if (x <= m)
        return que(x, v * 2, L, m, a, b);
    return que(x, v * 2 + 1, m + 1, R, a, b);
}

void updBetween(int x, int y, int k) {
    if (x == y)
        return;

    // cout << "BET " << x << " " << y << " " << k << "\n";

    int m = (x + y) / 2,
        m1 = upper_bound(all(vx), m) - vx.begin(),
        x1 = lower_bound(all(vx), x) - vx.begin(),
        y1 = lower_bound(all(vx), y) - vx.begin();

    segt[0].upd(x1, m1 - 1, k * x, 1, 0, cc - 1);
    segt[1].upd(m1, y1 - 1, k * y, 1, 0, cc - 1);
}

void updBegin(int x, int k) {
    // cout << "BEG " << x << " " << k << "\n";
    // return;

    int x1 = lower_bound(all(vx), x) - vx.begin();
    segt[1].upd(0, x1 - 1, x * k, 1, 0, cc - 1);
}

void updEnd(int x, int k) {
    // cout << "END " << x << " " << k << "\n";

    int x1 = lower_bound(all(vx), x) - vx.begin();
    segt[0].upd(x1, cc - 1, x * k, 1, 0, cc - 1);
}

signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);

    cin >> n >> k >> q;

    vector<E> evs;

    for (int i = 0; i < n; i++) {
        int x, t, a, b;
        cin >> x >> t >> a >> b;
        t--;
        evs.push_back({a, 0, x, t});
        evs.push_back({b + 1, 1, x, t});
        vx.push_back(x);
    }

    for (int i = 0; i < q; i++) {
        int x, y;
        cin >> x >> y;
        evs.push_back({y, 2, x, i});
        vx.push_back(x);
    }

    sort(all(vx));
    vx.erase(unique(all(vx)), vx.end());

    cc = vx.size();

    sort(all(evs), [](const E &lt, const E &rt) {
        return lt.p == rt.p ? lt.t < rt.t : lt.p < rt.p;
    });

    for (E e : evs) {
        // cout << e.p << " " << e.t << " " << e.x << " " << e.y << "\n";
        if (e.t == 0) {
            if (!occ[e.y].empty()) {
                auto it = occ[e.y].upper_bound(e.x);

                if (it == occ[e.y].begin()) {
                    updBegin(*occ[e.y].begin(), -1);
                }
                else if (it == occ[e.y].end()) {
                    updEnd(*occ[e.y].rbegin(), -1);
                }
                else {
                    updBetween(*prev(it), *it, -1);
                }
            }

            auto it = occ[e.y].insert(e.x);

            if (it == occ[e.y].begin())
                updBegin(*it, 1);
            else
                updBetween(*prev(it), *it, 1);

            if (next(it) == occ[e.y].end())
                updEnd(*it, 1);
            else
                updBetween(*it, *next(it), 1);
        }
        else if (e.t == 1) {
            auto it = occ[e.y].lower_bound(e.x);

            if (it == occ[e.y].begin())
                updBegin(*it, -1);
            else
                updBetween(*prev(it), *it, -1);

            if (next(it) == occ[e.y].end())
                updEnd(*it, -1);
            else
                updBetween(*it, *next(it), -1);

            it++;
            occ[e.y].erase(prev(it));

            if (!occ[e.y].empty()) {
                if (it == occ[e.y].begin()) {
                    updBegin(*occ[e.y].begin(), 1);
                }
                else if (it == occ[e.y].end()) {
                    updEnd(*occ[e.y].rbegin(), 1);
                }
                else {
                    updBetween(*prev(it), *it, 1);
                }
            }
        }
        else {
            e.x = lower_bound(all(vx), e.x) - vx.begin();
            ans[e.y] = que(e.x, 1, 0, cc - 1, segt[0], segt[1]);
        }
    }

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

    return 0;
}

Compilation message

new_home.cpp: In function 'int que(int, int, int, int, ST&, ST&)':
new_home.cpp:62:43: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         if (a.t[L].size() + b.t[L].size() < k)
             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 75512 KB Output is correct
2 Correct 72 ms 75640 KB Output is correct
3 Correct 71 ms 75468 KB Output is correct
4 Correct 71 ms 75512 KB Output is correct
5 Correct 83 ms 75512 KB Output is correct
6 Correct 90 ms 77048 KB Output is correct
7 Correct 99 ms 80504 KB Output is correct
8 Correct 107 ms 80764 KB Output is correct
9 Correct 112 ms 82808 KB Output is correct
10 Correct 79 ms 76792 KB Output is correct
11 Correct 89 ms 79352 KB Output is correct
12 Correct 81 ms 77048 KB Output is correct
13 Correct 84 ms 79608 KB Output is correct
14 Correct 91 ms 78968 KB Output is correct
15 Correct 115 ms 82044 KB Output is correct
16 Correct 112 ms 83308 KB Output is correct
17 Correct 103 ms 80640 KB Output is correct
18 Correct 110 ms 82040 KB Output is correct
19 Correct 110 ms 82808 KB Output is correct
20 Correct 110 ms 80504 KB Output is correct
21 Correct 79 ms 75680 KB Output is correct
22 Correct 112 ms 83932 KB Output is correct
23 Correct 112 ms 82236 KB Output is correct
24 Correct 112 ms 81656 KB Output is correct
25 Correct 113 ms 80376 KB Output is correct
26 Correct 101 ms 79908 KB Output is correct
27 Correct 78 ms 75768 KB Output is correct
28 Correct 88 ms 78968 KB Output is correct
29 Correct 92 ms 78968 KB Output is correct
30 Correct 90 ms 78328 KB Output is correct

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 75512 KB Output is correct
2 Correct 72 ms 75640 KB Output is correct
3 Correct 71 ms 75468 KB Output is correct
4 Correct 71 ms 75512 KB Output is correct
5 Correct 83 ms 75512 KB Output is correct
6 Correct 90 ms 77048 KB Output is correct
7 Correct 99 ms 80504 KB Output is correct
8 Correct 107 ms 80764 KB Output is correct
9 Correct 112 ms 82808 KB Output is correct
10 Correct 79 ms 76792 KB Output is correct
11 Correct 89 ms 79352 KB Output is correct
12 Correct 81 ms 77048 KB Output is correct
13 Correct 84 ms 79608 KB Output is correct
14 Correct 91 ms 78968 KB Output is correct
15 Correct 115 ms 82044 KB Output is correct
16 Correct 112 ms 83308 KB Output is correct
17 Correct 103 ms 80640 KB Output is correct
18 Correct 110 ms 82040 KB Output is correct
19 Correct 110 ms 82808 KB Output is correct
20 Correct 110 ms 80504 KB Output is correct
21 Correct 79 ms 75680 KB Output is correct
22 Correct 112 ms 83932 KB Output is correct
23 Correct 112 ms 82236 KB Output is correct
24 Correct 112 ms 81656 KB Output is correct
25 Correct 113 ms 80376 KB Output is correct
26 Correct 101 ms 79908 KB Output is correct
27 Correct 78 ms 75768 KB Output is correct
28 Correct 88 ms 78968 KB Output is correct
29 Correct 92 ms 78968 KB Output is correct
30 Correct 90 ms 78328 KB Output is correct
31 Runtime error 1951 ms 1048580 KB Execution killed with signal 9 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 567 ms 200900 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 601 ms 200764 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 75512 KB Output is correct
2 Correct 72 ms 75640 KB Output is correct
3 Correct 71 ms 75468 KB Output is correct
4 Correct 71 ms 75512 KB Output is correct
5 Correct 83 ms 75512 KB Output is correct
6 Correct 90 ms 77048 KB Output is correct
7 Correct 99 ms 80504 KB Output is correct
8 Correct 107 ms 80764 KB Output is correct
9 Correct 112 ms 82808 KB Output is correct
10 Correct 79 ms 76792 KB Output is correct
11 Correct 89 ms 79352 KB Output is correct
12 Correct 81 ms 77048 KB Output is correct
13 Correct 84 ms 79608 KB Output is correct
14 Correct 91 ms 78968 KB Output is correct
15 Correct 115 ms 82044 KB Output is correct
16 Correct 112 ms 83308 KB Output is correct
17 Correct 103 ms 80640 KB Output is correct
18 Correct 110 ms 82040 KB Output is correct
19 Correct 110 ms 82808 KB Output is correct
20 Correct 110 ms 80504 KB Output is correct
21 Correct 79 ms 75680 KB Output is correct
22 Correct 112 ms 83932 KB Output is correct
23 Correct 112 ms 82236 KB Output is correct
24 Correct 112 ms 81656 KB Output is correct
25 Correct 113 ms 80376 KB Output is correct
26 Correct 101 ms 79908 KB Output is correct
27 Correct 78 ms 75768 KB Output is correct
28 Correct 88 ms 78968 KB Output is correct
29 Correct 92 ms 78968 KB Output is correct
30 Correct 90 ms 78328 KB Output is correct
31 Runtime error 1951 ms 1048580 KB Execution killed with signal 9 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 71 ms 75512 KB Output is correct
2 Correct 72 ms 75640 KB Output is correct
3 Correct 71 ms 75468 KB Output is correct
4 Correct 71 ms 75512 KB Output is correct
5 Correct 83 ms 75512 KB Output is correct
6 Correct 90 ms 77048 KB Output is correct
7 Correct 99 ms 80504 KB Output is correct
8 Correct 107 ms 80764 KB Output is correct
9 Correct 112 ms 82808 KB Output is correct
10 Correct 79 ms 76792 KB Output is correct
11 Correct 89 ms 79352 KB Output is correct
12 Correct 81 ms 77048 KB Output is correct
13 Correct 84 ms 79608 KB Output is correct
14 Correct 91 ms 78968 KB Output is correct
15 Correct 115 ms 82044 KB Output is correct
16 Correct 112 ms 83308 KB Output is correct
17 Correct 103 ms 80640 KB Output is correct
18 Correct 110 ms 82040 KB Output is correct
19 Correct 110 ms 82808 KB Output is correct
20 Correct 110 ms 80504 KB Output is correct
21 Correct 79 ms 75680 KB Output is correct
22 Correct 112 ms 83932 KB Output is correct
23 Correct 112 ms 82236 KB Output is correct
24 Correct 112 ms 81656 KB Output is correct
25 Correct 113 ms 80376 KB Output is correct
26 Correct 101 ms 79908 KB Output is correct
27 Correct 78 ms 75768 KB Output is correct
28 Correct 88 ms 78968 KB Output is correct
29 Correct 92 ms 78968 KB Output is correct
30 Correct 90 ms 78328 KB Output is correct
31 Runtime error 1951 ms 1048580 KB Execution killed with signal 9 (could be triggered by violating memory limits)
32 Halted 0 ms 0 KB -