oj.uz

Submission #160952

# Submission time Handle Problem Language Result Execution time Memory
160952 2019-10-30T19:07:56 Z Minnakhmetov New Home (APIO18_new_home) C++14
47 / 100
 5000 ms 311740 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];
 
vector<int> vx;
multiset<int> occ[N];
map<pair<int, int>, vector<int>> mp;
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) {
    auto p = make_pair(x, y);
    updates.push_back({mp[p].back(), cq - 1, p});
    mp[p].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);
        t2[v].reserve(R - L + 1);
        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();
    mp.clear();
    updates.clear();
 
 
    for (int i = 0; i < N; i++) {
        occ[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:85:18: 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 91 ms 70796 KB Output is correct
2 Correct 91 ms 71000 KB Output is correct
3 Correct 98 ms 70752 KB Output is correct
4 Correct 96 ms 70872 KB Output is correct
5 Correct 99 ms 70904 KB Output is correct
6 Correct 100 ms 71132 KB Output is correct
7 Correct 95 ms 71160 KB Output is correct
8 Correct 100 ms 71132 KB Output is correct
9 Correct 94 ms 71288 KB Output is correct
10 Correct 91 ms 71164 KB Output is correct
11 Correct 102 ms 71032 KB Output is correct
12 Correct 95 ms 71032 KB Output is correct
13 Correct 96 ms 70996 KB Output is correct
14 Correct 94 ms 71032 KB Output is correct
15 Correct 101 ms 71160 KB Output is correct
16 Correct 92 ms 71160 KB Output is correct
17 Correct 101 ms 71104 KB Output is correct
18 Correct 104 ms 71160 KB Output is correct
19 Correct 94 ms 71160 KB Output is correct
20 Correct 100 ms 71032 KB Output is correct
21 Correct 99 ms 71032 KB Output is correct
22 Correct 89 ms 71160 KB Output is correct
23 Correct 90 ms 71160 KB Output is correct
24 Correct 103 ms 71056 KB Output is correct
25 Correct 104 ms 71032 KB Output is correct
26 Correct 95 ms 71032 KB Output is correct
27 Correct 96 ms 71032 KB Output is correct
28 Correct 100 ms 71132 KB Output is correct
29 Correct 100 ms 71032 KB Output is correct
30 Correct 100 ms 71060 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 70796 KB Output is correct
2 Correct 91 ms 71000 KB Output is correct
3 Correct 98 ms 70752 KB Output is correct
4 Correct 96 ms 70872 KB Output is correct
5 Correct 99 ms 70904 KB Output is correct
6 Correct 100 ms 71132 KB Output is correct
7 Correct 95 ms 71160 KB Output is correct
8 Correct 100 ms 71132 KB Output is correct
9 Correct 94 ms 71288 KB Output is correct
10 Correct 91 ms 71164 KB Output is correct
11 Correct 102 ms 71032 KB Output is correct
12 Correct 95 ms 71032 KB Output is correct
13 Correct 96 ms 70996 KB Output is correct
14 Correct 94 ms 71032 KB Output is correct
15 Correct 101 ms 71160 KB Output is correct
16 Correct 92 ms 71160 KB Output is correct
17 Correct 101 ms 71104 KB Output is correct
18 Correct 104 ms 71160 KB Output is correct
19 Correct 94 ms 71160 KB Output is correct
20 Correct 100 ms 71032 KB Output is correct
21 Correct 99 ms 71032 KB Output is correct
22 Correct 89 ms 71160 KB Output is correct
23 Correct 90 ms 71160 KB Output is correct
24 Correct 103 ms 71056 KB Output is correct
25 Correct 104 ms 71032 KB Output is correct
26 Correct 95 ms 71032 KB Output is correct
27 Correct 96 ms 71032 KB Output is correct
28 Correct 100 ms 71132 KB Output is correct
29 Correct 100 ms 71032 KB Output is correct
30 Correct 100 ms 71060 KB Output is correct
31 Correct 1792 ms 134720 KB Output is correct
32 Correct 327 ms 91012 KB Output is correct
33 Correct 1661 ms 131684 KB Output is correct
34 Correct 1706 ms 132096 KB Output is correct
35 Correct 2077 ms 134912 KB Output is correct
36 Correct 2017 ms 133648 KB Output is correct
37 Correct 1147 ms 127868 KB Output is correct
38 Correct 1369 ms 125816 KB Output is correct
39 Correct 907 ms 119732 KB Output is correct
40 Correct 953 ms 120528 KB Output is correct
41 Correct 1085 ms 118444 KB Output is correct
42 Correct 1117 ms 118796 KB Output is correct
43 Correct 236 ms 92420 KB Output is correct
44 Correct 1165 ms 117956 KB Output is correct
45 Correct 1042 ms 115472 KB Output is correct
46 Correct 940 ms 110828 KB Output is correct
47 Correct 563 ms 108440 KB Output is correct
48 Correct 558 ms 107536 KB Output is correct
49 Correct 668 ms 111640 KB Output is correct
50 Correct 766 ms 116584 KB Output is correct
51 Correct 710 ms 110628 KB Output is correct

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5071 ms 253324 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 5104 ms 311740 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 70796 KB Output is correct
2 Correct 91 ms 71000 KB Output is correct
3 Correct 98 ms 70752 KB Output is correct
4 Correct 96 ms 70872 KB Output is correct
5 Correct 99 ms 70904 KB Output is correct
6 Correct 100 ms 71132 KB Output is correct
7 Correct 95 ms 71160 KB Output is correct
8 Correct 100 ms 71132 KB Output is correct
9 Correct 94 ms 71288 KB Output is correct
10 Correct 91 ms 71164 KB Output is correct
11 Correct 102 ms 71032 KB Output is correct
12 Correct 95 ms 71032 KB Output is correct
13 Correct 96 ms 70996 KB Output is correct
14 Correct 94 ms 71032 KB Output is correct
15 Correct 101 ms 71160 KB Output is correct
16 Correct 92 ms 71160 KB Output is correct
17 Correct 101 ms 71104 KB Output is correct
18 Correct 104 ms 71160 KB Output is correct
19 Correct 94 ms 71160 KB Output is correct
20 Correct 100 ms 71032 KB Output is correct
21 Correct 99 ms 71032 KB Output is correct
22 Correct 89 ms 71160 KB Output is correct
23 Correct 90 ms 71160 KB Output is correct
24 Correct 103 ms 71056 KB Output is correct
25 Correct 104 ms 71032 KB Output is correct
26 Correct 95 ms 71032 KB Output is correct
27 Correct 96 ms 71032 KB Output is correct
28 Correct 100 ms 71132 KB Output is correct
29 Correct 100 ms 71032 KB Output is correct
30 Correct 100 ms 71060 KB Output is correct
31 Correct 1792 ms 134720 KB Output is correct
32 Correct 327 ms 91012 KB Output is correct
33 Correct 1661 ms 131684 KB Output is correct
34 Correct 1706 ms 132096 KB Output is correct
35 Correct 2077 ms 134912 KB Output is correct
36 Correct 2017 ms 133648 KB Output is correct
37 Correct 1147 ms 127868 KB Output is correct
38 Correct 1369 ms 125816 KB Output is correct
39 Correct 907 ms 119732 KB Output is correct
40 Correct 953 ms 120528 KB Output is correct
41 Correct 1085 ms 118444 KB Output is correct
42 Correct 1117 ms 118796 KB Output is correct
43 Correct 236 ms 92420 KB Output is correct
44 Correct 1165 ms 117956 KB Output is correct
45 Correct 1042 ms 115472 KB Output is correct
46 Correct 940 ms 110828 KB Output is correct
47 Correct 563 ms 108440 KB Output is correct
48 Correct 558 ms 107536 KB Output is correct
49 Correct 668 ms 111640 KB Output is correct
50 Correct 766 ms 116584 KB Output is correct
51 Correct 710 ms 110628 KB Output is correct
52 Correct 1069 ms 137424 KB Output is correct
53 Correct 823 ms 123132 KB Output is correct
54 Correct 1260 ms 130292 KB Output is correct
55 Correct 1055 ms 126468 KB Output is correct
56 Correct 942 ms 129104 KB Output is correct
57 Correct 1062 ms 120644 KB Output is correct
58 Correct 1078 ms 124940 KB Output is correct
59 Correct 1018 ms 128660 KB Output is correct
60 Correct 1078 ms 120272 KB Output is correct
61 Correct 273 ms 101764 KB Output is correct
62 Correct 948 ms 138972 KB Output is correct
63 Correct 1235 ms 131236 KB Output is correct
64 Correct 1199 ms 129240 KB Output is correct
65 Correct 1273 ms 126188 KB Output is correct
66 Correct 1154 ms 120404 KB Output is correct
67 Correct 415 ms 100264 KB Output is correct

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 91 ms 70796 KB Output is correct
2 Correct 91 ms 71000 KB Output is correct
3 Correct 98 ms 70752 KB Output is correct
4 Correct 96 ms 70872 KB Output is correct
5 Correct 99 ms 70904 KB Output is correct
6 Correct 100 ms 71132 KB Output is correct
7 Correct 95 ms 71160 KB Output is correct
8 Correct 100 ms 71132 KB Output is correct
9 Correct 94 ms 71288 KB Output is correct
10 Correct 91 ms 71164 KB Output is correct
11 Correct 102 ms 71032 KB Output is correct
12 Correct 95 ms 71032 KB Output is correct
13 Correct 96 ms 70996 KB Output is correct
14 Correct 94 ms 71032 KB Output is correct
15 Correct 101 ms 71160 KB Output is correct
16 Correct 92 ms 71160 KB Output is correct
17 Correct 101 ms 71104 KB Output is correct
18 Correct 104 ms 71160 KB Output is correct
19 Correct 94 ms 71160 KB Output is correct
20 Correct 100 ms 71032 KB Output is correct
21 Correct 99 ms 71032 KB Output is correct
22 Correct 89 ms 71160 KB Output is correct
23 Correct 90 ms 71160 KB Output is correct
24 Correct 103 ms 71056 KB Output is correct
25 Correct 104 ms 71032 KB Output is correct
26 Correct 95 ms 71032 KB Output is correct
27 Correct 96 ms 71032 KB Output is correct
28 Correct 100 ms 71132 KB Output is correct
29 Correct 100 ms 71032 KB Output is correct
30 Correct 100 ms 71060 KB Output is correct
31 Correct 1792 ms 134720 KB Output is correct
32 Correct 327 ms 91012 KB Output is correct
33 Correct 1661 ms 131684 KB Output is correct
34 Correct 1706 ms 132096 KB Output is correct
35 Correct 2077 ms 134912 KB Output is correct
36 Correct 2017 ms 133648 KB Output is correct
37 Correct 1147 ms 127868 KB Output is correct
38 Correct 1369 ms 125816 KB Output is correct
39 Correct 907 ms 119732 KB Output is correct
40 Correct 953 ms 120528 KB Output is correct
41 Correct 1085 ms 118444 KB Output is correct
42 Correct 1117 ms 118796 KB Output is correct
43 Correct 236 ms 92420 KB Output is correct
44 Correct 1165 ms 117956 KB Output is correct
45 Correct 1042 ms 115472 KB Output is correct
46 Correct 940 ms 110828 KB Output is correct
47 Correct 563 ms 108440 KB Output is correct
48 Correct 558 ms 107536 KB Output is correct
49 Correct 668 ms 111640 KB Output is correct
50 Correct 766 ms 116584 KB Output is correct
51 Correct 710 ms 110628 KB Output is correct
52 Execution timed out 5071 ms 253324 KB Time limit exceeded
53 Halted 0 ms 0 KB -