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Submission #705293

# Submission time Handle Problem Language Result Execution time Memory
705293 2023-03-03T20:49:35 Z VladPislaru Rabbit Carrot (LMIO19_triusis) C++17
100 / 100
 99 ms 7676 KB 
#include <bits/stdc++.h>

using namespace std;


const int MaxN = 200005;

int n, m;
long long a[MaxN], b[MaxN], k;
int dp[MaxN], aib[MaxN];
pair <int, int> c[MaxN];


void Update (int poz, int val) {
    for (int i = poz; i <= n; i += (i & -i))
        aib[i] = max(aib[i], val);
}

int Query (int poz) {
    int val = 0;
    for (int i = poz; i > 0; i -= (i & -i))
        val = max(val, aib[i]);
    return val;
}

int main()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        if (m * i >= a[i]) {
            b[++k] = 1LL * m * i - a[i];
            c[k] = {b[k], k};
        }

    }
    sort (c + 1, c + k + 1);
    int val = 1;
    b[c[1].second] = 1;
    for (int i = 2; i <= k; i++) {
        if (c[i].first != c[i - 1].first)
            val++;
        b[c[i].second] = val;
    }
    int ans = 0;
    if (k) {
        ans = 1;
        for (int i = 1; i <= k; i++) {
            dp[i] = max(1, 1 + Query(b[i]));
            Update(b[i], dp[i]);
            ans = max(ans, dp[i]);
        }
    }
    cout << n - ans << "\n";
    return 0;
}

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 312 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 0 ms 312 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 304 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 304 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 2 ms 348 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 2 ms 444 KB Output is correct
25 Correct 2 ms 448 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 2 ms 468 KB Output is correct
29 Correct 2 ms 468 KB Output is correct
30 Correct 2 ms 452 KB Output is correct
31 Correct 2 ms 468 KB Output is correct
32 Correct 2 ms 468 KB Output is correct
33 Correct 2 ms 468 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 304 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 468 KB Output is correct
6 Correct 2 ms 348 KB Output is correct
7 Correct 2 ms 468 KB Output is correct
8 Correct 2 ms 444 KB Output is correct
9 Correct 2 ms 448 KB Output is correct
10 Correct 2 ms 468 KB Output is correct
11 Correct 2 ms 468 KB Output is correct
12 Correct 2 ms 468 KB Output is correct
13 Correct 2 ms 468 KB Output is correct
14 Correct 2 ms 452 KB Output is correct
15 Correct 2 ms 468 KB Output is correct
16 Correct 2 ms 468 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 312 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 304 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 3 ms 340 KB Output is correct
35 Correct 3 ms 376 KB Output is correct
36 Correct 3 ms 340 KB Output is correct
37 Correct 2 ms 468 KB Output is correct
38 Correct 3 ms 448 KB Output is correct
39 Correct 3 ms 448 KB Output is correct
40 Correct 2 ms 448 KB Output is correct
41 Correct 2 ms 340 KB Output is correct
42 Correct 2 ms 468 KB Output is correct
43 Correct 3 ms 468 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 340 KB Output is correct
2 Correct 3 ms 376 KB Output is correct
3 Correct 3 ms 340 KB Output is correct
4 Correct 2 ms 468 KB Output is correct
5 Correct 3 ms 448 KB Output is correct
6 Correct 3 ms 448 KB Output is correct
7 Correct 2 ms 448 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 2 ms 468 KB Output is correct
10 Correct 3 ms 468 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 304 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 468 KB Output is correct
16 Correct 2 ms 348 KB Output is correct
17 Correct 2 ms 468 KB Output is correct
18 Correct 2 ms 444 KB Output is correct
19 Correct 2 ms 448 KB Output is correct
20 Correct 2 ms 468 KB Output is correct
21 Correct 2 ms 468 KB Output is correct
22 Correct 2 ms 468 KB Output is correct
23 Correct 2 ms 468 KB Output is correct
24 Correct 2 ms 452 KB Output is correct
25 Correct 2 ms 468 KB Output is correct
26 Correct 2 ms 468 KB Output is correct
27 Correct 2 ms 468 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 0 ms 312 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 304 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 38 ms 6896 KB Output is correct
45 Correct 70 ms 3764 KB Output is correct
46 Correct 82 ms 6060 KB Output is correct
47 Correct 83 ms 6060 KB Output is correct
48 Correct 55 ms 7364 KB Output is correct
49 Correct 62 ms 7644 KB Output is correct
50 Correct 96 ms 6652 KB Output is correct
51 Correct 99 ms 7676 KB Output is correct
52 Correct 71 ms 7024 KB Output is correct
53 Correct 53 ms 3076 KB Output is correct
54 Correct 60 ms 7548 KB Output is correct
55 Correct 58 ms 7532 KB Output is correct