oj.uz

Submission #1013484

# Submission time Handle Problem Language Result Execution time Memory
1013484 2024-07-03T15:02:11 Z Thunnus Rabbit Carrot (LMIO19_triusis) C++17
100 / 100
 59 ms 5320 KB 
#include <algorithm>
#include <iostream>
#include <vector>

using std::cout;
using std::endl;
using std::vector;

int longest_nondec_subseq(const vector<int> &seq) {
	vector<int> min_endings;
	for (int i : seq) {
		/*
		 * note that we use upper_bound instead of
		 * lower_bound bc it just has to be nondecreasing
		 */
		int pos = std::upper_bound(min_endings.begin(), min_endings.end(), i) -
		          min_endings.begin();
		// standard LIS protocol
		if (pos == min_endings.size()) {
			min_endings.push_back(i);
		} else {
			min_endings[pos] = i;
		}
	}
	return min_endings.size();
}

int main() {
	int pole_num;
	int jump_height;
	std::cin >> pole_num >> jump_height;
	vector<int> poles(pole_num);
	for (int p = 0; p < pole_num; p++) { std::cin >> poles[p]; }

	vector<int> poss_unchanged;
	for (int i = 1; i <= pole_num; i++) {
		// only add if it has any hope of being unchanged
		if (i * jump_height >= poles[i - 1]) {
			poss_unchanged.push_back(i * jump_height - poles[i - 1]);
		}
	}
	cout << pole_num - longest_nondec_subseq(poss_unchanged) << endl;
}

Compilation message

triusis.cpp: In function 'int longest_nondec_subseq(const std::vector<int>&)':
triusis.cpp:19:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   if (pos == min_endings.size()) {
      |       ~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 384 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 432 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct

Subtask #2
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 384 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 440 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 432 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 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 360 KB Output is correct
22 Correct 1 ms 356 KB Output is correct
23 Correct 1 ms 456 KB Output is correct
24 Correct 2 ms 360 KB Output is correct
25 Correct 1 ms 360 KB Output is correct
26 Correct 1 ms 356 KB Output is correct
27 Correct 1 ms 444 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 444 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct

Subtask #3
28.0 / 28.0

# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 360 KB Output is correct
6 Correct 1 ms 356 KB Output is correct
7 Correct 1 ms 456 KB Output is correct
8 Correct 2 ms 360 KB Output is correct
9 Correct 1 ms 360 KB Output is correct
10 Correct 1 ms 356 KB Output is correct
11 Correct 1 ms 444 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 444 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 440 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 432 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 2 ms 352 KB Output is correct
35 Correct 2 ms 344 KB Output is correct
36 Correct 1 ms 352 KB Output is correct
37 Correct 2 ms 352 KB Output is correct
38 Correct 1 ms 344 KB Output is correct
39 Correct 1 ms 352 KB Output is correct
40 Correct 1 ms 352 KB Output is correct
41 Correct 1 ms 348 KB Output is correct
42 Correct 1 ms 348 KB Output is correct
43 Correct 1 ms 348 KB Output is correct

Subtask #4
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 352 KB Output is correct
2 Correct 2 ms 344 KB Output is correct
3 Correct 1 ms 352 KB Output is correct
4 Correct 2 ms 352 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 352 KB Output is correct
7 Correct 1 ms 352 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 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 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 360 KB Output is correct
16 Correct 1 ms 356 KB Output is correct
17 Correct 1 ms 456 KB Output is correct
18 Correct 2 ms 360 KB Output is correct
19 Correct 1 ms 360 KB Output is correct
20 Correct 1 ms 356 KB Output is correct
21 Correct 1 ms 444 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 444 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 344 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 384 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 440 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 0 ms 348 KB Output is correct
38 Correct 0 ms 348 KB Output is correct
39 Correct 0 ms 348 KB Output is correct
40 Correct 0 ms 432 KB Output is correct
41 Correct 0 ms 348 KB Output is correct
42 Correct 0 ms 348 KB Output is correct
43 Correct 0 ms 348 KB Output is correct
44 Correct 26 ms 3888 KB Output is correct
45 Correct 45 ms 2900 KB Output is correct
46 Correct 59 ms 3532 KB Output is correct
47 Correct 51 ms 3536 KB Output is correct
48 Correct 31 ms 4292 KB Output is correct
49 Correct 34 ms 4524 KB Output is correct
50 Correct 49 ms 4548 KB Output is correct
51 Correct 50 ms 5320 KB Output is correct
52 Correct 38 ms 3628 KB Output is correct
53 Correct 32 ms 2228 KB Output is correct
54 Correct 41 ms 4560 KB Output is correct
55 Correct 47 ms 4592 KB Output is correct