Submission #48849

# Submission time Handle Problem Language Result Execution time Memory
48849 2018-05-19T10:27:48 Z model_code New Home (APIO18_new_home) C++17
12 / 100
5000 ms 46480 KB
#include <bits/stdc++.h>
using namespace std;
const int INF = (int)1.01e9;

void print(vector<int> v) {
    for (int x : v) printf("%d\n", x);
}

struct Shop {
    int x, type, a, b;
};

struct Query {
    int x, time;
};

vector<int> slow(vector<Shop> a, int k, vector<Query> b) {
    int n = a.size(), m = b.size();
    vector<int> ans(m);
    struct Event {
        int time, type, id;
        bool operator< (const Event &ev) const {
            return make_pair(time, -type) < make_pair(ev.time, -ev.type);
        }
    };
    vector<Event> events;
    for (int i = 0; i < (int)a.size(); i++) {
        events.push_back({ a[i].a, +1, i });
        events.push_back({ a[i].b, -1, i });
    }
    for (int i = 0; i < (int)b.size(); i++) {
        events.push_back({ b[i].time, 0, i });
    }
    sort(events.begin(), events.end());

    vector<int> sum(k);
    vector<multiset<int>> st(k);

    multiset<int> oneShopPos;
    set<int> noneShopType;
    for (int i = 0; i < k; i++) noneShopType.insert(i);

    int empty = k;
    for (auto ev : events) {
        if (ev.type == +1) {
            int tp = a[ev.id].type;
            if (st[tp].size() == 1) {
                oneShopPos.erase(oneShopPos.find(*st[tp].begin()));
                noneShopType.insert(a[ev.id].type);
            }
            st[tp].insert(a[ev.id].x);
            empty -= sum[tp]++ == 0;
            if (st[tp].size() == 1) {
                oneShopPos.insert(a[ev.id].x);
                noneShopType.erase(a[ev.id].type);
            }
        }
        if (ev.type == 0) {
            int cur = 0;
            if (empty) cur = INF;
            for (int i : noneShopType) {
                int ccur = INF;
                auto it = st[i].lower_bound(b[ev.id].x);
                if (it != st[i].end()) ccur = min(ccur, abs(*it - b[ev.id].x));
                if (it != st[i].begin()) {
                    it--;
                    ccur = min(ccur, abs(*it - b[ev.id].x));
                }
                cur = max(cur, ccur);
                if (cur >= INF / 2) break;
            }
            if (!oneShopPos.empty()) {
                cur = max(cur, abs(*oneShopPos.begin() - b[ev.id].x));
                cur = max(cur, abs(*oneShopPos.rbegin() - b[ev.id].x));
            }
            if (cur >= INF / 2) cur = -1;
            ans[ev.id] = cur;
        }
        if (ev.type == -1) {
            int tp = a[ev.id].type;
            if (st[tp].size() == 1) {
                oneShopPos.erase(oneShopPos.find(a[ev.id].x));
                noneShopType.insert(a[ev.id].type);
            }
            st[tp].erase(st[tp].find(a[ev.id].x));
            empty += --sum[tp] == 0;
            if (st[tp].size() == 1) {
                oneShopPos.insert(*st[tp].begin());
                noneShopType.erase(a[ev.id].type);
            }
        }
    }
    return ans;
}

int main() {
    int n, k, q;
    scanf("%d%d%d", &n, &k, &q);
    vector<Shop> a(n);
    for (int i = 0; i < n; i++) {
        scanf("%d%d%d%d", &a[i].x, &a[i].type, &a[i].a, &a[i].b);
        a[i].type--;
    }
    vector<Query> b(q);
    for (int i = 0; i < q; i++) scanf("%d%d", &b[i].x, &b[i].time);

    print(slow(a, k, b));
}

Compilation message

new_home.cpp: In function 'std::vector<int> slow(std::vector<Shop>, int, std::vector<Query>)':
new_home.cpp:18:9: warning: unused variable 'n' [-Wunused-variable]
     int n = a.size(), m = b.size();
         ^
new_home.cpp: In function 'int main()':
new_home.cpp:98:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &n, &k, &q);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:101:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d%d", &a[i].x, &a[i].type, &a[i].a, &a[i].b);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
new_home.cpp:105:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 0; i < q; i++) scanf("%d%d", &b[i].x, &b[i].time);
                                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 3 ms 576 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 3 ms 576 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 3 ms 732 KB Output is correct
13 Correct 2 ms 732 KB Output is correct
14 Correct 2 ms 732 KB Output is correct
15 Correct 3 ms 732 KB Output is correct
16 Correct 3 ms 732 KB Output is correct
17 Correct 3 ms 732 KB Output is correct
18 Correct 2 ms 732 KB Output is correct
19 Correct 3 ms 732 KB Output is correct
20 Correct 3 ms 732 KB Output is correct
21 Correct 3 ms 732 KB Output is correct
22 Correct 3 ms 732 KB Output is correct
23 Correct 3 ms 732 KB Output is correct
24 Correct 3 ms 732 KB Output is correct
25 Correct 4 ms 732 KB Output is correct
26 Correct 3 ms 732 KB Output is correct
27 Correct 3 ms 732 KB Output is correct
28 Correct 3 ms 732 KB Output is correct
29 Correct 3 ms 732 KB Output is correct
30 Correct 3 ms 732 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 3 ms 576 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 3 ms 576 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 3 ms 732 KB Output is correct
13 Correct 2 ms 732 KB Output is correct
14 Correct 2 ms 732 KB Output is correct
15 Correct 3 ms 732 KB Output is correct
16 Correct 3 ms 732 KB Output is correct
17 Correct 3 ms 732 KB Output is correct
18 Correct 2 ms 732 KB Output is correct
19 Correct 3 ms 732 KB Output is correct
20 Correct 3 ms 732 KB Output is correct
21 Correct 3 ms 732 KB Output is correct
22 Correct 3 ms 732 KB Output is correct
23 Correct 3 ms 732 KB Output is correct
24 Correct 3 ms 732 KB Output is correct
25 Correct 4 ms 732 KB Output is correct
26 Correct 3 ms 732 KB Output is correct
27 Correct 3 ms 732 KB Output is correct
28 Correct 3 ms 732 KB Output is correct
29 Correct 3 ms 732 KB Output is correct
30 Correct 3 ms 732 KB Output is correct
31 Correct 4373 ms 8740 KB Output is correct
32 Correct 143 ms 8740 KB Output is correct
33 Correct 287 ms 8740 KB Output is correct
34 Correct 3361 ms 8740 KB Output is correct
35 Correct 1762 ms 8860 KB Output is correct
36 Correct 353 ms 8860 KB Output is correct
37 Correct 250 ms 8860 KB Output is correct
38 Correct 142 ms 8860 KB Output is correct
39 Correct 145 ms 8860 KB Output is correct
40 Correct 128 ms 8860 KB Output is correct
41 Correct 482 ms 8860 KB Output is correct
42 Correct 395 ms 8860 KB Output is correct
43 Correct 742 ms 8860 KB Output is correct
44 Correct 413 ms 8860 KB Output is correct
45 Correct 209 ms 8860 KB Output is correct
46 Correct 127 ms 8860 KB Output is correct
47 Correct 108 ms 8860 KB Output is correct
48 Correct 106 ms 8860 KB Output is correct
49 Correct 122 ms 8860 KB Output is correct
50 Correct 252 ms 8860 KB Output is correct
51 Correct 109 ms 8860 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 5013 ms 46480 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 5093 ms 46480 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 3 ms 576 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 3 ms 576 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 3 ms 732 KB Output is correct
13 Correct 2 ms 732 KB Output is correct
14 Correct 2 ms 732 KB Output is correct
15 Correct 3 ms 732 KB Output is correct
16 Correct 3 ms 732 KB Output is correct
17 Correct 3 ms 732 KB Output is correct
18 Correct 2 ms 732 KB Output is correct
19 Correct 3 ms 732 KB Output is correct
20 Correct 3 ms 732 KB Output is correct
21 Correct 3 ms 732 KB Output is correct
22 Correct 3 ms 732 KB Output is correct
23 Correct 3 ms 732 KB Output is correct
24 Correct 3 ms 732 KB Output is correct
25 Correct 4 ms 732 KB Output is correct
26 Correct 3 ms 732 KB Output is correct
27 Correct 3 ms 732 KB Output is correct
28 Correct 3 ms 732 KB Output is correct
29 Correct 3 ms 732 KB Output is correct
30 Correct 3 ms 732 KB Output is correct
31 Correct 4373 ms 8740 KB Output is correct
32 Correct 143 ms 8740 KB Output is correct
33 Correct 287 ms 8740 KB Output is correct
34 Correct 3361 ms 8740 KB Output is correct
35 Correct 1762 ms 8860 KB Output is correct
36 Correct 353 ms 8860 KB Output is correct
37 Correct 250 ms 8860 KB Output is correct
38 Correct 142 ms 8860 KB Output is correct
39 Correct 145 ms 8860 KB Output is correct
40 Correct 128 ms 8860 KB Output is correct
41 Correct 482 ms 8860 KB Output is correct
42 Correct 395 ms 8860 KB Output is correct
43 Correct 742 ms 8860 KB Output is correct
44 Correct 413 ms 8860 KB Output is correct
45 Correct 209 ms 8860 KB Output is correct
46 Correct 127 ms 8860 KB Output is correct
47 Correct 108 ms 8860 KB Output is correct
48 Correct 106 ms 8860 KB Output is correct
49 Correct 122 ms 8860 KB Output is correct
50 Correct 252 ms 8860 KB Output is correct
51 Correct 109 ms 8860 KB Output is correct
52 Correct 289 ms 46480 KB Output is correct
53 Correct 298 ms 46480 KB Output is correct
54 Correct 230 ms 46480 KB Output is correct
55 Correct 514 ms 46480 KB Output is correct
56 Correct 468 ms 46480 KB Output is correct
57 Correct 519 ms 46480 KB Output is correct
58 Correct 522 ms 46480 KB Output is correct
59 Correct 428 ms 46480 KB Output is correct
60 Correct 527 ms 46480 KB Output is correct
61 Correct 118 ms 46480 KB Output is correct
62 Correct 262 ms 46480 KB Output is correct
63 Execution timed out 5021 ms 46480 KB Time limit exceeded
64 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 576 KB Output is correct
6 Correct 3 ms 576 KB Output is correct
7 Correct 3 ms 576 KB Output is correct
8 Correct 3 ms 576 KB Output is correct
9 Correct 2 ms 576 KB Output is correct
10 Correct 3 ms 576 KB Output is correct
11 Correct 3 ms 576 KB Output is correct
12 Correct 3 ms 732 KB Output is correct
13 Correct 2 ms 732 KB Output is correct
14 Correct 2 ms 732 KB Output is correct
15 Correct 3 ms 732 KB Output is correct
16 Correct 3 ms 732 KB Output is correct
17 Correct 3 ms 732 KB Output is correct
18 Correct 2 ms 732 KB Output is correct
19 Correct 3 ms 732 KB Output is correct
20 Correct 3 ms 732 KB Output is correct
21 Correct 3 ms 732 KB Output is correct
22 Correct 3 ms 732 KB Output is correct
23 Correct 3 ms 732 KB Output is correct
24 Correct 3 ms 732 KB Output is correct
25 Correct 4 ms 732 KB Output is correct
26 Correct 3 ms 732 KB Output is correct
27 Correct 3 ms 732 KB Output is correct
28 Correct 3 ms 732 KB Output is correct
29 Correct 3 ms 732 KB Output is correct
30 Correct 3 ms 732 KB Output is correct
31 Correct 4373 ms 8740 KB Output is correct
32 Correct 143 ms 8740 KB Output is correct
33 Correct 287 ms 8740 KB Output is correct
34 Correct 3361 ms 8740 KB Output is correct
35 Correct 1762 ms 8860 KB Output is correct
36 Correct 353 ms 8860 KB Output is correct
37 Correct 250 ms 8860 KB Output is correct
38 Correct 142 ms 8860 KB Output is correct
39 Correct 145 ms 8860 KB Output is correct
40 Correct 128 ms 8860 KB Output is correct
41 Correct 482 ms 8860 KB Output is correct
42 Correct 395 ms 8860 KB Output is correct
43 Correct 742 ms 8860 KB Output is correct
44 Correct 413 ms 8860 KB Output is correct
45 Correct 209 ms 8860 KB Output is correct
46 Correct 127 ms 8860 KB Output is correct
47 Correct 108 ms 8860 KB Output is correct
48 Correct 106 ms 8860 KB Output is correct
49 Correct 122 ms 8860 KB Output is correct
50 Correct 252 ms 8860 KB Output is correct
51 Correct 109 ms 8860 KB Output is correct
52 Execution timed out 5013 ms 46480 KB Time limit exceeded
53 Halted 0 ms 0 KB -