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Submission #1064619

# Submission time Handle Problem Language Result Execution time Memory
1064619 2024-08-18T15:46:14 Z aufan Money (IZhO17_money) C++17
100 / 100
 147 ms 30680 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;
        cin >> n;

        vector<int> a(n + 1);
        for (int i = 1; i <= n; i++) cin >> a[i];

        vector<int> fen(1000001);
        
        auto upd = [&](int x, int val) {
                for (; x <= 1000000; x += x & -x) fen[x] += val;
        };

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

        int j = 1;
        vector<int> dp(n + 1);
        for (int i = 1; i <= n; i++) {
                if (a[i] < a[i - 1]) {
                        while (j < i) {
                                upd(a[j++], 1);
                        }
                }

                while (j < i && qry(a[i] - 1) - qry(a[j]) > 0) {
                        upd(a[j++], 1);
                }

                dp[i] = dp[j - 1] + 1;
        }

        cout << dp[n] << '\n';
        
        return 0;
}

Subtask #1
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8060 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 3 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8228 KB Output is correct
10 Correct 1 ms 8280 KB Output is correct
11 Correct 3 ms 8284 KB Output is correct
12 Correct 3 ms 8284 KB Output is correct
13 Correct 1 ms 8284 KB Output is correct
14 Correct 3 ms 8212 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 3 ms 8284 KB Output is correct

Subtask #2
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8060 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 3 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8228 KB Output is correct
10 Correct 1 ms 8280 KB Output is correct
11 Correct 3 ms 8284 KB Output is correct
12 Correct 3 ms 8284 KB Output is correct
13 Correct 1 ms 8284 KB Output is correct
14 Correct 3 ms 8212 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 3 ms 8284 KB Output is correct
17 Correct 3 ms 8284 KB Output is correct
18 Correct 3 ms 8184 KB Output is correct
19 Correct 3 ms 8284 KB Output is correct
20 Correct 3 ms 8284 KB Output is correct
21 Correct 5 ms 8144 KB Output is correct
22 Correct 1 ms 8284 KB Output is correct
23 Correct 4 ms 8284 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 1 ms 8136 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8060 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 3 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8228 KB Output is correct
10 Correct 1 ms 8280 KB Output is correct
11 Correct 3 ms 8284 KB Output is correct
12 Correct 3 ms 8284 KB Output is correct
13 Correct 1 ms 8284 KB Output is correct
14 Correct 3 ms 8212 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 3 ms 8284 KB Output is correct
17 Correct 3 ms 8284 KB Output is correct
18 Correct 3 ms 8184 KB Output is correct
19 Correct 3 ms 8284 KB Output is correct
20 Correct 3 ms 8284 KB Output is correct
21 Correct 5 ms 8144 KB Output is correct
22 Correct 1 ms 8284 KB Output is correct
23 Correct 4 ms 8284 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 1 ms 8136 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 3 ms 8284 KB Output is correct
28 Correct 1 ms 8284 KB Output is correct
29 Correct 3 ms 8284 KB Output is correct
30 Correct 1 ms 8284 KB Output is correct
31 Correct 2 ms 8284 KB Output is correct
32 Correct 1 ms 8284 KB Output is correct
33 Correct 2 ms 8284 KB Output is correct
34 Correct 2 ms 8284 KB Output is correct
35 Correct 2 ms 8280 KB Output is correct
36 Correct 1 ms 8284 KB Output is correct
37 Correct 2 ms 8284 KB Output is correct
38 Correct 2 ms 8284 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8280 KB Output is correct
2 Correct 2 ms 8284 KB Output is correct
3 Correct 2 ms 8284 KB Output is correct
4 Correct 2 ms 8060 KB Output is correct
5 Correct 2 ms 8284 KB Output is correct
6 Correct 3 ms 8284 KB Output is correct
7 Correct 2 ms 8284 KB Output is correct
8 Correct 2 ms 8284 KB Output is correct
9 Correct 3 ms 8228 KB Output is correct
10 Correct 1 ms 8280 KB Output is correct
11 Correct 3 ms 8284 KB Output is correct
12 Correct 3 ms 8284 KB Output is correct
13 Correct 1 ms 8284 KB Output is correct
14 Correct 3 ms 8212 KB Output is correct
15 Correct 2 ms 8284 KB Output is correct
16 Correct 3 ms 8284 KB Output is correct
17 Correct 3 ms 8284 KB Output is correct
18 Correct 3 ms 8184 KB Output is correct
19 Correct 3 ms 8284 KB Output is correct
20 Correct 3 ms 8284 KB Output is correct
21 Correct 5 ms 8144 KB Output is correct
22 Correct 1 ms 8284 KB Output is correct
23 Correct 4 ms 8284 KB Output is correct
24 Correct 3 ms 8284 KB Output is correct
25 Correct 1 ms 8136 KB Output is correct
26 Correct 2 ms 8284 KB Output is correct
27 Correct 3 ms 8284 KB Output is correct
28 Correct 1 ms 8284 KB Output is correct
29 Correct 3 ms 8284 KB Output is correct
30 Correct 1 ms 8284 KB Output is correct
31 Correct 2 ms 8284 KB Output is correct
32 Correct 1 ms 8284 KB Output is correct
33 Correct 2 ms 8284 KB Output is correct
34 Correct 2 ms 8284 KB Output is correct
35 Correct 2 ms 8280 KB Output is correct
36 Correct 1 ms 8284 KB Output is correct
37 Correct 2 ms 8284 KB Output is correct
38 Correct 2 ms 8284 KB Output is correct
39 Correct 50 ms 18808 KB Output is correct
40 Correct 95 ms 25936 KB Output is correct
41 Correct 47 ms 16732 KB Output is correct
42 Correct 45 ms 15956 KB Output is correct
43 Correct 31 ms 13660 KB Output is correct
44 Correct 131 ms 30544 KB Output is correct
45 Correct 111 ms 30420 KB Output is correct
46 Correct 110 ms 30548 KB Output is correct
47 Correct 142 ms 30548 KB Output is correct
48 Correct 107 ms 30548 KB Output is correct
49 Correct 147 ms 30540 KB Output is correct
50 Correct 125 ms 30540 KB Output is correct
51 Correct 122 ms 30560 KB Output is correct
52 Correct 115 ms 30528 KB Output is correct
53 Correct 134 ms 30668 KB Output is correct
54 Correct 121 ms 30428 KB Output is correct
55 Correct 130 ms 30428 KB Output is correct
56 Correct 129 ms 30556 KB Output is correct
57 Correct 137 ms 30680 KB Output is correct
58 Correct 137 ms 30548 KB Output is correct
59 Correct 123 ms 30672 KB Output is correct
60 Correct 128 ms 30672 KB Output is correct
61 Correct 128 ms 30536 KB Output is correct
62 Correct 129 ms 30668 KB Output is correct