oj.uz

Submission #77333

# Submission time Handle Problem Language Result Execution time Memory
77333 2018-09-25T19:51:28 Z 298iq New Home (APIO18_new_home) C++14
5 / 100
 5000 ms 1049600 KB 
#include <bits/stdc++.h>

using namespace std;

const int MEM = 8e8;
char mem[MEM];
int ptr = 0;
void* operator new(size_t n) {
    ptr += n;
    return mem + (ptr - n);
}

void operator delete(void *) {}

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;
    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;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14580 KB Output is correct
2 Correct 14 ms 14696 KB Output is correct
3 Correct 13 ms 14696 KB Output is correct
4 Correct 14 ms 14904 KB Output is correct
5 Correct 20 ms 16104 KB Output is correct
6 Correct 27 ms 21648 KB Output is correct
7 Correct 23 ms 21648 KB Output is correct
8 Correct 22 ms 21648 KB Output is correct
9 Correct 24 ms 21648 KB Output is correct
10 Correct 29 ms 22220 KB Output is correct
11 Correct 21 ms 22220 KB Output is correct
12 Correct 28 ms 22988 KB Output is correct
13 Correct 18 ms 22988 KB Output is correct
14 Correct 22 ms 22988 KB Output is correct
15 Correct 25 ms 22988 KB Output is correct
16 Correct 29 ms 22988 KB Output is correct
17 Correct 25 ms 22988 KB Output is correct
18 Correct 26 ms 22988 KB Output is correct
19 Correct 26 ms 22988 KB Output is correct
20 Correct 23 ms 22988 KB Output is correct
21 Correct 19 ms 22988 KB Output is correct
22 Correct 24 ms 22988 KB Output is correct
23 Correct 23 ms 22988 KB Output is correct
24 Correct 23 ms 22988 KB Output is correct
25 Correct 23 ms 22988 KB Output is correct
26 Correct 26 ms 22988 KB Output is correct
27 Correct 21 ms 22988 KB Output is correct
28 Correct 37 ms 22988 KB Output is correct
29 Correct 26 ms 22988 KB Output is correct
30 Correct 24 ms 22988 KB Output is correct

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14580 KB Output is correct
2 Correct 14 ms 14696 KB Output is correct
3 Correct 13 ms 14696 KB Output is correct
4 Correct 14 ms 14904 KB Output is correct
5 Correct 20 ms 16104 KB Output is correct
6 Correct 27 ms 21648 KB Output is correct
7 Correct 23 ms 21648 KB Output is correct
8 Correct 22 ms 21648 KB Output is correct
9 Correct 24 ms 21648 KB Output is correct
10 Correct 29 ms 22220 KB Output is correct
11 Correct 21 ms 22220 KB Output is correct
12 Correct 28 ms 22988 KB Output is correct
13 Correct 18 ms 22988 KB Output is correct
14 Correct 22 ms 22988 KB Output is correct
15 Correct 25 ms 22988 KB Output is correct
16 Correct 29 ms 22988 KB Output is correct
17 Correct 25 ms 22988 KB Output is correct
18 Correct 26 ms 22988 KB Output is correct
19 Correct 26 ms 22988 KB Output is correct
20 Correct 23 ms 22988 KB Output is correct
21 Correct 19 ms 22988 KB Output is correct
22 Correct 24 ms 22988 KB Output is correct
23 Correct 23 ms 22988 KB Output is correct
24 Correct 23 ms 22988 KB Output is correct
25 Correct 23 ms 22988 KB Output is correct
26 Correct 26 ms 22988 KB Output is correct
27 Correct 21 ms 22988 KB Output is correct
28 Correct 37 ms 22988 KB Output is correct
29 Correct 26 ms 22988 KB Output is correct
30 Correct 24 ms 22988 KB Output is correct
31 Correct 4889 ms 758404 KB Output is correct
32 Correct 2870 ms 758404 KB Output is correct
33 Runtime error 4122 ms 1049600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5056 ms 1049600 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5042 ms 1049600 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14580 KB Output is correct
2 Correct 14 ms 14696 KB Output is correct
3 Correct 13 ms 14696 KB Output is correct
4 Correct 14 ms 14904 KB Output is correct
5 Correct 20 ms 16104 KB Output is correct
6 Correct 27 ms 21648 KB Output is correct
7 Correct 23 ms 21648 KB Output is correct
8 Correct 22 ms 21648 KB Output is correct
9 Correct 24 ms 21648 KB Output is correct
10 Correct 29 ms 22220 KB Output is correct
11 Correct 21 ms 22220 KB Output is correct
12 Correct 28 ms 22988 KB Output is correct
13 Correct 18 ms 22988 KB Output is correct
14 Correct 22 ms 22988 KB Output is correct
15 Correct 25 ms 22988 KB Output is correct
16 Correct 29 ms 22988 KB Output is correct
17 Correct 25 ms 22988 KB Output is correct
18 Correct 26 ms 22988 KB Output is correct
19 Correct 26 ms 22988 KB Output is correct
20 Correct 23 ms 22988 KB Output is correct
21 Correct 19 ms 22988 KB Output is correct
22 Correct 24 ms 22988 KB Output is correct
23 Correct 23 ms 22988 KB Output is correct
24 Correct 23 ms 22988 KB Output is correct
25 Correct 23 ms 22988 KB Output is correct
26 Correct 26 ms 22988 KB Output is correct
27 Correct 21 ms 22988 KB Output is correct
28 Correct 37 ms 22988 KB Output is correct
29 Correct 26 ms 22988 KB Output is correct
30 Correct 24 ms 22988 KB Output is correct
31 Correct 4889 ms 758404 KB Output is correct
32 Correct 2870 ms 758404 KB Output is correct
33 Runtime error 4122 ms 1049600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 14580 KB Output is correct
2 Correct 14 ms 14696 KB Output is correct
3 Correct 13 ms 14696 KB Output is correct
4 Correct 14 ms 14904 KB Output is correct
5 Correct 20 ms 16104 KB Output is correct
6 Correct 27 ms 21648 KB Output is correct
7 Correct 23 ms 21648 KB Output is correct
8 Correct 22 ms 21648 KB Output is correct
9 Correct 24 ms 21648 KB Output is correct
10 Correct 29 ms 22220 KB Output is correct
11 Correct 21 ms 22220 KB Output is correct
12 Correct 28 ms 22988 KB Output is correct
13 Correct 18 ms 22988 KB Output is correct
14 Correct 22 ms 22988 KB Output is correct
15 Correct 25 ms 22988 KB Output is correct
16 Correct 29 ms 22988 KB Output is correct
17 Correct 25 ms 22988 KB Output is correct
18 Correct 26 ms 22988 KB Output is correct
19 Correct 26 ms 22988 KB Output is correct
20 Correct 23 ms 22988 KB Output is correct
21 Correct 19 ms 22988 KB Output is correct
22 Correct 24 ms 22988 KB Output is correct
23 Correct 23 ms 22988 KB Output is correct
24 Correct 23 ms 22988 KB Output is correct
25 Correct 23 ms 22988 KB Output is correct
26 Correct 26 ms 22988 KB Output is correct
27 Correct 21 ms 22988 KB Output is correct
28 Correct 37 ms 22988 KB Output is correct
29 Correct 26 ms 22988 KB Output is correct
30 Correct 24 ms 22988 KB Output is correct
31 Correct 4889 ms 758404 KB Output is correct
32 Correct 2870 ms 758404 KB Output is correct
33 Runtime error 4122 ms 1049600 KB Execution killed with signal 11 (could be triggered by violating memory limits)
34 Halted 0 ms 0 KB -