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Submission #648455

# Submission time Handle Problem Language Result Execution time Memory
648455 2022-10-06T15:06:21 Z borisAngelov Rabbit Carrot (LMIO19_triusis) C++17
100 / 100
 37 ms 4732 KB 
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

const int MAXN = 200005;
const int INF = 2000000000;

int n, m;
int a[MAXN];

vector<int> b;

int min_end[MAXN];

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> m;

    for (int i = 1; i <= n; i++) {
        cin >> a[i];
        if (m * i - a[i] >= 0) b.push_back(m * i - a[i]);
    }

    min_end[0] = -INF;
    for (int i = 1; i <= n; i++) min_end[i] = INF;

    int ans = 0;

    for (int i = 0; i < b.size(); i++) {
        int idx = upper_bound(min_end + 1, min_end + n + 1, b[i]) - min_end;
        idx--;

        ans = max(ans, idx + 1);
        min_end[idx + 1] = min(min_end[idx + 1], b[i]);
    }

    cout << n - ans << endl;

    return 0;
}

Compilation message

triusis.cpp: In function 'int main()':
triusis.cpp:32:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   32 |     for (int i = 0; i < b.size(); i++) {
      |                     ~~^~~~~~~~~~

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 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 328 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 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 324 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 328 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 332 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 380 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 2 ms 344 KB Output is correct
28 Correct 2 ms 372 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 352 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 2 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct

Subtask #3
28.0 / 28.0

# 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 332 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 380 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 2 ms 344 KB Output is correct
12 Correct 2 ms 372 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 1 ms 340 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 212 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 324 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 1 ms 328 KB Output is correct
34 Correct 4 ms 340 KB Output is correct
35 Correct 2 ms 388 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 340 KB Output is correct
39 Correct 2 ms 468 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 340 KB Output is correct
2 Correct 2 ms 388 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 2 ms 468 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 348 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 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 332 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 348 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 380 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 344 KB Output is correct
22 Correct 2 ms 372 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 352 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 2 ms 340 KB Output is correct
27 Correct 1 ms 340 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 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 212 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 1 ms 336 KB Output is correct
38 Correct 1 ms 212 KB Output is correct
39 Correct 1 ms 336 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 212 KB Output is correct
42 Correct 1 ms 336 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 22 ms 3128 KB Output is correct
45 Correct 23 ms 3728 KB Output is correct
46 Correct 30 ms 4300 KB Output is correct
47 Correct 31 ms 4344 KB Output is correct
48 Correct 25 ms 3652 KB Output is correct
49 Correct 27 ms 3912 KB Output is correct
50 Correct 34 ms 4536 KB Output is correct
51 Correct 37 ms 4732 KB Output is correct
52 Correct 28 ms 3700 KB Output is correct
53 Correct 18 ms 3064 KB Output is correct
54 Correct 29 ms 3780 KB Output is correct
55 Correct 29 ms 3832 KB Output is correct