oj.uz

Submission #160953

# Submission time Handle Problem Language Result Execution time Memory
160953 2019-10-30T19:28:21 Z Minnakhmetov New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 364696 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;
};
 
struct U {
    int l, r;
    pair<int, int> p;
};
 
const int N = 3e5 + 5, INF = 1e9, MAX = 1e8;
int n, q, k, cc, cq;
int ans[N], loc[N], num[N];
unordered_map<int, vector<int>> mp[N];
 
vector<int> vx;
multiset<int> occ[N];
vector<pair<int, int>> t[N * 4], t2[N * 4];
vector<U> updates;
 
void upd(int l, int r, pair<int, int> p, int v, int L, int R) {
    if (l > r)
        return;
    if (L == l && R == r) {
        t[v].push_back(p);
    }
    else {
        int m = (L + R) >> 1;
        upd(l, min(m, r), p, v * 2, L, m);
        upd(max(m + 1, l), r, p, v * 2 + 1, m + 1, R);
    }
}
 
void startSeg(int x, int y) {
    mp[x][y].push_back(cq);
}
 
void endSeg(int x, int y) {
    updates.push_back({mp[x][y].back(), cq - 1, {x, y}});
    mp[x][y].pop_back();
}
 
void updBeg(int x, bool add) {
    if (add)
        startSeg(0, x);
    else
        endSeg(0, x);
}
 
void updBetween(int x, int y, bool add) {
    if (x == y)
        return;
    int m = (x + y) / 2;
    if ((x + y) % 2)
            m++;
 
    int m1 = lower_bound(all(vx), m) - vx.begin();
    if (add)
        startSeg(m1, y);
    else
        endSeg(m1, y);  
}
 
void calcAns(int v, int L, int R) {
    if (L == R) {
        t2[v] = {{loc[L], num[L]}};
    }
    else {
        int m = (L + R) >> 1;
        calcAns(v * 2, L, m);
        calcAns(v * 2 + 1, m + 1, R);
        merge(all(t2[v * 2]), all(t2[v * 2 + 1]), back_inserter(t2[v]));
    }
 
    int i = 0, mx = -INF;
    for (auto &p : t2[v]) {
        while (i < t[v].size() && t[v][i].first <= p.first) {
            mx = max(mx, t[v][i].second);
            i++;
        }
        ans[p.second] = max(ans[p.second], mx - vx[p.first]);
    }
}
 
void solve(vector<E> evs) {
    vx.clear();
    updates.clear();
 
 
    for (int i = 0; i < N; i++) {
        occ[i].clear();
        mp[i].clear();
    }
 
    for (int i = 0; i < N * 4; i++) {
        t[i].clear();
        t2[i].clear();
    }
 
    for (E e : evs) {
        if (e.t == 2)
            vx.push_back(e.x);
    }
 
    sort(all(vx));
    vx.erase(unique(all(vx)), vx.end());
 
    cq = 0;
 
    for (E e : evs) {
        if (e.t == 0) {
            auto it = occ[e.y].upper_bound(e.x);
            if (!occ[e.y].empty()) {
                if (it != occ[e.y].begin() && it != occ[e.y].end()) {
                    updBetween(*prev(it), *it, false);
                }
                if (it == occ[e.y].begin()) {
                    updBeg(*it, false);
                }
            }
 
            it = occ[e.y].insert(e.x);
 
            if (it == occ[e.y].begin()) 
                updBeg(*it, true);
            else
                updBetween(*prev(it), *it, true);
 
            if (next(it) != occ[e.y].end())
                updBetween(*it, *next(it), true);
 
        }
        else if (e.t == 1) {
            auto it = occ[e.y].find(e.x);
 
            if (it == occ[e.y].begin()) 
                updBeg(*it, false);
            else
                updBetween(*prev(it), *it, false);
 
            if (next(it) != occ[e.y].end())
                updBetween(*it, *next(it), false);
 
            if (it != occ[e.y].begin() && next(it) != occ[e.y].end())
                updBetween(*prev(it), *next(it), true);
            if (it == occ[e.y].begin() && occ[e.y].size() > 1)
                updBeg(*next(it), true);
 
            occ[e.y].erase(it);
        }
        else {
            loc[cq] = lower_bound(all(vx), e.x) - vx.begin();
            num[cq] = e.y;
            cq++;
        }
    }
 
    sort(all(updates), [](const U &a, const U &b) {
        return a.p.first < b.p.first;
    });
 
    for (U u : updates) {
        upd(u.l, u.r, u.p, 1, 0, q - 1);
    }
 
    calcAns(1, 0, q - 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 < k; i++) {
        evs.push_back({1, 0, INF, i});
        evs.push_back({MAX, 1, INF, i});
    }
 
    for (int i = 0; i < q; i++) {
        int x, y;
        cin >> x >> y;
        evs.push_back({y, 2, x, i});
    }
 
    sort(all(evs), [](const E &a, const E &b) {
        return a.p == b.p ? a.t < b.t : a.p < b.p;
    });
 
    solve(evs);
    for (E &e : evs)
        e.x = INF - e.x;
    solve(evs);
 
    for (int i = 0; i < q; i++) {
        if (ans[i] < INF / 2) {
            cout << ans[i] << "\n";
        }
        else {
            cout << "-1\n";
        }
    }
 
    return 0;
}

Compilation message

new_home.cpp: In function 'void calcAns(int, int, int)':
new_home.cpp:83:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         while (i < t[v].size() && t[v][i].first <= p.first) {
                ~~^~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 87288 KB Output is correct
2 Correct 111 ms 87416 KB Output is correct
3 Correct 110 ms 87360 KB Output is correct
4 Correct 109 ms 87288 KB Output is correct
5 Correct 110 ms 87560 KB Output is correct
6 Correct 113 ms 87800 KB Output is correct
7 Correct 112 ms 87544 KB Output is correct
8 Correct 121 ms 87544 KB Output is correct
9 Correct 111 ms 87544 KB Output is correct
10 Correct 113 ms 87596 KB Output is correct
11 Correct 117 ms 87440 KB Output is correct
12 Correct 114 ms 87548 KB Output is correct
13 Correct 111 ms 87460 KB Output is correct
14 Correct 122 ms 87448 KB Output is correct
15 Correct 124 ms 87592 KB Output is correct
16 Correct 125 ms 87544 KB Output is correct
17 Correct 124 ms 87572 KB Output is correct
18 Correct 126 ms 87684 KB Output is correct
19 Correct 121 ms 87544 KB Output is correct
20 Correct 111 ms 87544 KB Output is correct
21 Correct 110 ms 87416 KB Output is correct
22 Correct 115 ms 87676 KB Output is correct
23 Correct 111 ms 87544 KB Output is correct
24 Correct 110 ms 87544 KB Output is correct
25 Correct 116 ms 87680 KB Output is correct
26 Correct 113 ms 87544 KB Output is correct
27 Correct 112 ms 87672 KB Output is correct
28 Correct 112 ms 87416 KB Output is correct
29 Correct 120 ms 87544 KB Output is correct
30 Correct 109 ms 87416 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 87288 KB Output is correct
2 Correct 111 ms 87416 KB Output is correct
3 Correct 110 ms 87360 KB Output is correct
4 Correct 109 ms 87288 KB Output is correct
5 Correct 110 ms 87560 KB Output is correct
6 Correct 113 ms 87800 KB Output is correct
7 Correct 112 ms 87544 KB Output is correct
8 Correct 121 ms 87544 KB Output is correct
9 Correct 111 ms 87544 KB Output is correct
10 Correct 113 ms 87596 KB Output is correct
11 Correct 117 ms 87440 KB Output is correct
12 Correct 114 ms 87548 KB Output is correct
13 Correct 111 ms 87460 KB Output is correct
14 Correct 122 ms 87448 KB Output is correct
15 Correct 124 ms 87592 KB Output is correct
16 Correct 125 ms 87544 KB Output is correct
17 Correct 124 ms 87572 KB Output is correct
18 Correct 126 ms 87684 KB Output is correct
19 Correct 121 ms 87544 KB Output is correct
20 Correct 111 ms 87544 KB Output is correct
21 Correct 110 ms 87416 KB Output is correct
22 Correct 115 ms 87676 KB Output is correct
23 Correct 111 ms 87544 KB Output is correct
24 Correct 110 ms 87544 KB Output is correct
25 Correct 116 ms 87680 KB Output is correct
26 Correct 113 ms 87544 KB Output is correct
27 Correct 112 ms 87672 KB Output is correct
28 Correct 112 ms 87416 KB Output is correct
29 Correct 120 ms 87544 KB Output is correct
30 Correct 109 ms 87416 KB Output is correct
31 Correct 1496 ms 148968 KB Output is correct
32 Correct 360 ms 108096 KB Output is correct
33 Correct 1340 ms 147340 KB Output is correct
34 Correct 1391 ms 147448 KB Output is correct
35 Correct 1491 ms 149240 KB Output is correct
36 Correct 1441 ms 148412 KB Output is correct
37 Correct 981 ms 143584 KB Output is correct
38 Correct 987 ms 141552 KB Output is correct
39 Correct 847 ms 135700 KB Output is correct
40 Correct 785 ms 136696 KB Output is correct
41 Correct 908 ms 134224 KB Output is correct
42 Correct 903 ms 134632 KB Output is correct
43 Correct 289 ms 109860 KB Output is correct
44 Correct 892 ms 133876 KB Output is correct
45 Correct 845 ms 131296 KB Output is correct
46 Correct 720 ms 126848 KB Output is correct
47 Correct 552 ms 124364 KB Output is correct
48 Correct 559 ms 123640 KB Output is correct
49 Correct 636 ms 127560 KB Output is correct
50 Correct 707 ms 132656 KB Output is correct
51 Correct 617 ms 126400 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4826 ms 287880 KB Output is correct
2 Execution timed out 5083 ms 303460 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5101 ms 364696 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 87288 KB Output is correct
2 Correct 111 ms 87416 KB Output is correct
3 Correct 110 ms 87360 KB Output is correct
4 Correct 109 ms 87288 KB Output is correct
5 Correct 110 ms 87560 KB Output is correct
6 Correct 113 ms 87800 KB Output is correct
7 Correct 112 ms 87544 KB Output is correct
8 Correct 121 ms 87544 KB Output is correct
9 Correct 111 ms 87544 KB Output is correct
10 Correct 113 ms 87596 KB Output is correct
11 Correct 117 ms 87440 KB Output is correct
12 Correct 114 ms 87548 KB Output is correct
13 Correct 111 ms 87460 KB Output is correct
14 Correct 122 ms 87448 KB Output is correct
15 Correct 124 ms 87592 KB Output is correct
16 Correct 125 ms 87544 KB Output is correct
17 Correct 124 ms 87572 KB Output is correct
18 Correct 126 ms 87684 KB Output is correct
19 Correct 121 ms 87544 KB Output is correct
20 Correct 111 ms 87544 KB Output is correct
21 Correct 110 ms 87416 KB Output is correct
22 Correct 115 ms 87676 KB Output is correct
23 Correct 111 ms 87544 KB Output is correct
24 Correct 110 ms 87544 KB Output is correct
25 Correct 116 ms 87680 KB Output is correct
26 Correct 113 ms 87544 KB Output is correct
27 Correct 112 ms 87672 KB Output is correct
28 Correct 112 ms 87416 KB Output is correct
29 Correct 120 ms 87544 KB Output is correct
30 Correct 109 ms 87416 KB Output is correct
31 Correct 1496 ms 148968 KB Output is correct
32 Correct 360 ms 108096 KB Output is correct
33 Correct 1340 ms 147340 KB Output is correct
34 Correct 1391 ms 147448 KB Output is correct
35 Correct 1491 ms 149240 KB Output is correct
36 Correct 1441 ms 148412 KB Output is correct
37 Correct 981 ms 143584 KB Output is correct
38 Correct 987 ms 141552 KB Output is correct
39 Correct 847 ms 135700 KB Output is correct
40 Correct 785 ms 136696 KB Output is correct
41 Correct 908 ms 134224 KB Output is correct
42 Correct 903 ms 134632 KB Output is correct
43 Correct 289 ms 109860 KB Output is correct
44 Correct 892 ms 133876 KB Output is correct
45 Correct 845 ms 131296 KB Output is correct
46 Correct 720 ms 126848 KB Output is correct
47 Correct 552 ms 124364 KB Output is correct
48 Correct 559 ms 123640 KB Output is correct
49 Correct 636 ms 127560 KB Output is correct
50 Correct 707 ms 132656 KB Output is correct
51 Correct 617 ms 126400 KB Output is correct
52 Correct 897 ms 152836 KB Output is correct
53 Correct 695 ms 138772 KB Output is correct
54 Correct 1145 ms 145988 KB Output is correct
55 Correct 882 ms 142824 KB Output is correct
56 Correct 819 ms 145580 KB Output is correct
57 Correct 902 ms 136668 KB Output is correct
58 Correct 867 ms 140680 KB Output is correct
59 Correct 839 ms 144264 KB Output is correct
60 Correct 914 ms 136336 KB Output is correct
61 Correct 322 ms 118872 KB Output is correct
62 Correct 854 ms 154456 KB Output is correct
63 Correct 976 ms 147072 KB Output is correct
64 Correct 989 ms 145108 KB Output is correct
65 Correct 1047 ms 141856 KB Output is correct
66 Correct 1049 ms 136492 KB Output is correct
67 Correct 413 ms 117436 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 87288 KB Output is correct
2 Correct 111 ms 87416 KB Output is correct
3 Correct 110 ms 87360 KB Output is correct
4 Correct 109 ms 87288 KB Output is correct
5 Correct 110 ms 87560 KB Output is correct
6 Correct 113 ms 87800 KB Output is correct
7 Correct 112 ms 87544 KB Output is correct
8 Correct 121 ms 87544 KB Output is correct
9 Correct 111 ms 87544 KB Output is correct
10 Correct 113 ms 87596 KB Output is correct
11 Correct 117 ms 87440 KB Output is correct
12 Correct 114 ms 87548 KB Output is correct
13 Correct 111 ms 87460 KB Output is correct
14 Correct 122 ms 87448 KB Output is correct
15 Correct 124 ms 87592 KB Output is correct
16 Correct 125 ms 87544 KB Output is correct
17 Correct 124 ms 87572 KB Output is correct
18 Correct 126 ms 87684 KB Output is correct
19 Correct 121 ms 87544 KB Output is correct
20 Correct 111 ms 87544 KB Output is correct
21 Correct 110 ms 87416 KB Output is correct
22 Correct 115 ms 87676 KB Output is correct
23 Correct 111 ms 87544 KB Output is correct
24 Correct 110 ms 87544 KB Output is correct
25 Correct 116 ms 87680 KB Output is correct
26 Correct 113 ms 87544 KB Output is correct
27 Correct 112 ms 87672 KB Output is correct
28 Correct 112 ms 87416 KB Output is correct
29 Correct 120 ms 87544 KB Output is correct
30 Correct 109 ms 87416 KB Output is correct
31 Correct 1496 ms 148968 KB Output is correct
32 Correct 360 ms 108096 KB Output is correct
33 Correct 1340 ms 147340 KB Output is correct
34 Correct 1391 ms 147448 KB Output is correct
35 Correct 1491 ms 149240 KB Output is correct
36 Correct 1441 ms 148412 KB Output is correct
37 Correct 981 ms 143584 KB Output is correct
38 Correct 987 ms 141552 KB Output is correct
39 Correct 847 ms 135700 KB Output is correct
40 Correct 785 ms 136696 KB Output is correct
41 Correct 908 ms 134224 KB Output is correct
42 Correct 903 ms 134632 KB Output is correct
43 Correct 289 ms 109860 KB Output is correct
44 Correct 892 ms 133876 KB Output is correct
45 Correct 845 ms 131296 KB Output is correct
46 Correct 720 ms 126848 KB Output is correct
47 Correct 552 ms 124364 KB Output is correct
48 Correct 559 ms 123640 KB Output is correct
49 Correct 636 ms 127560 KB Output is correct
50 Correct 707 ms 132656 KB Output is correct
51 Correct 617 ms 126400 KB Output is correct
52 Correct 4826 ms 287880 KB Output is correct
53 Execution timed out 5083 ms 303460 KB Time limit exceeded
54 Halted 0 ms 0 KB -