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Submission #1014852

# Submission time Handle Problem Language Result Execution time Memory
1014852 2024-07-05T15:49:52 Z aufan Exhibition (JOI19_ho_t2) C++17
100 / 100
 78 ms 8400 KB 
#include <bits/stdc++.h>
#define int long long
#define fi first
#define se second

using namespace std;

int32_t main()
{
        ios_base::sync_with_stdio(false);
        cin.tie(NULL);
        
        int n, m;
        cin >> n >> m;

        vector<int> s(n), v(n), b;
        for (int i = 0; i < n; i++) {
                cin >> s[i] >> v[i];

                b.push_back(v[i]);
        }
        sort(b.begin(), b.end());       
        b.erase(unique(b.begin(), b.end()), b.end());

        vector<int> c(m);
        for (int i = 0; i < m; i++) cin >> c[i];
        sort(c.begin(), c.end());

        vector<int> ord(n);
        iota(ord.begin(), ord.end(), 0);
        sort(ord.begin(), ord.end(), [&](int x, int y) {
                if (v[x] == v[y]) return s[x] > s[y];
                return v[x] > v[y];
        });

        int k = (int)b.size();
        vector<int> fen(k + 1);

        auto get = [&](int x) {
                return lower_bound(b.begin(), b.end(), x) - b.begin();
        };

        auto upd = [&](int x, int val) {
                for (; x <= k; x += x & -x) fen[x] = max(fen[x], val);
        };

        auto qry = [&](int x) {
                int res = 0;
                for (; x > 0; x -= x & -x) res = max(res, fen[x]);
                return res;
        };

        int ans = 0;
        for (auto i : ord) {
                int lf = 0, rg = m - 1, pos = m;
                while (lf <= rg) {
                        int md = (lf + rg) / 2;

                        if (s[i] <= c[md]) {
                                pos = md;
                                rg = md - 1;
                        } else {
                                lf = md + 1;
                        }
                }

                int res = min(m - pos - 1, qry(k - get(v[i]))) + 1;
                ans = max(ans, res);
                upd(k - get(v[i]), res);
        }

        cout << ans << '\n';
        
        return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct

Subtask #2
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 520 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 464 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 464 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct

Subtask #3
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 456 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 520 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 464 KB Output is correct
25 Correct 1 ms 468 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 344 KB Output is correct
30 Correct 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 1 ms 464 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 1 ms 348 KB Output is correct
37 Correct 1 ms 348 KB Output is correct
38 Correct 58 ms 8016 KB Output is correct
39 Correct 45 ms 7396 KB Output is correct
40 Correct 38 ms 7372 KB Output is correct
41 Correct 56 ms 7628 KB Output is correct
42 Correct 51 ms 8168 KB Output is correct
43 Correct 54 ms 8024 KB Output is correct
44 Correct 61 ms 8152 KB Output is correct
45 Correct 63 ms 8144 KB Output is correct
46 Correct 47 ms 7380 KB Output is correct
47 Correct 61 ms 7628 KB Output is correct
48 Correct 36 ms 6608 KB Output is correct
49 Correct 48 ms 6348 KB Output is correct
50 Correct 35 ms 5840 KB Output is correct
51 Correct 54 ms 8140 KB Output is correct
52 Correct 54 ms 8140 KB Output is correct
53 Correct 47 ms 8072 KB Output is correct
54 Correct 44 ms 8140 KB Output is correct
55 Correct 40 ms 7384 KB Output is correct
56 Correct 36 ms 6352 KB Output is correct
57 Correct 11 ms 2136 KB Output is correct
58 Correct 27 ms 5580 KB Output is correct
59 Correct 45 ms 6348 KB Output is correct
60 Correct 13 ms 2136 KB Output is correct
61 Correct 31 ms 4060 KB Output is correct
62 Correct 66 ms 8144 KB Output is correct
63 Correct 65 ms 7952 KB Output is correct
64 Correct 67 ms 8144 KB Output is correct
65 Correct 64 ms 8004 KB Output is correct
66 Correct 78 ms 8400 KB Output is correct
67 Correct 65 ms 8140 KB Output is correct
68 Correct 68 ms 8140 KB Output is correct
69 Correct 64 ms 7424 KB Output is correct
70 Correct 60 ms 7228 KB Output is correct
71 Correct 64 ms 8172 KB Output is correct
72 Correct 48 ms 7164 KB Output is correct
73 Correct 53 ms 7380 KB Output is correct