oj.uz

Submission #968606

# Submission time Handle Problem Language Result Execution time Memory
968606 2024-04-23T17:26:22 Z alex_2008 Boxes with souvenirs (IOI15_boxes) C++14
100 / 100
 494 ms 250528 KB 
#include "boxes.h"
#include <iostream>
#include <vector>
#include <algorithm>
typedef long long ll;
using namespace std;
ll delivery(int n, int k, int l, int pos[]) {
	vector <int> a, b;
	vector <ll> dp_a, dp_b;
	for (int i = 0; i < n; i++) {
		if (pos[i] <= (l / 2)) a.push_back(pos[i]);
		else b.push_back(pos[i]);
	}
	reverse(b.begin(), b.end());
	for (auto &it : b) {
		it = l - it;
	}
	dp_a.resize((int)a.size());
	dp_b.resize((int)b.size());
	for (int i = 0; i < (int)dp_a.size(); i++) {
		if (i < k) {
			dp_a[i] = 2 * a[i];
		}
		else {
			dp_a[i] = dp_a[i - k] + 2 * a[i];
		}
	}
	for (int i = 0; i < (int)dp_b.size(); i++) {
		if (i < k) {
			dp_b[i] = 2 * b[i];
		}
		else {
			dp_b[i] = dp_b[i - k] + 2 * b[i];
		}
	}
	int ind1 = 0, ind2 = 0;
	ll ans = (((int)dp_a.size() > 0) ? dp_a.back(): 0) + (((int)dp_b.size() > 0) ? dp_b.back(): 0);
	for (int i = 0; i < (int)dp_a.size(); i++) {
		ll cur = 0;
		if (i) cur += dp_a[i - 1];
		int mnac = (int)dp_a.size() - i;
		cur = cur + (mnac + k - 1) / k * 1ll * l;
		int w = ((mnac + k - 1) / k) * k + i;
		if (w < (int)dp_a.size() + (int)dp_b.size()) {
			cur += dp_b[(int)dp_b.size() + (int)dp_a.size() - w - 1];
		}
		ans = min(ans, cur);
	}
	return ans;
}
/*
int main() {
	int n, k, l;
	cin >> n >> k >> l;
	vector <int> v(n);
	for (auto &it : v) {
		cin >> it;
	}
	cout << delivery(n, k, l, v) << "\n";
}*/

Compilation message

boxes.cpp: In function 'll delivery(int, int, int, int*)':
boxes.cpp:36:6: warning: unused variable 'ind1' [-Wunused-variable]
   36 |  int ind1 = 0, ind2 = 0;
      |      ^~~~
boxes.cpp:36:16: warning: unused variable 'ind2' [-Wunused-variable]
   36 |  int ind1 = 0, ind2 = 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 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 1 ms 344 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct

Subtask #3
15.0 / 15.0

# 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 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #4
15.0 / 15.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 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 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 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 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 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 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct

Subtask #5
20.0 / 20.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 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 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 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 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 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 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 45 ms 24996 KB Output is correct
34 Correct 19 ms 20416 KB Output is correct
35 Correct 21 ms 22472 KB Output is correct
36 Correct 45 ms 25028 KB Output is correct
37 Correct 42 ms 25232 KB Output is correct
38 Correct 47 ms 25992 KB Output is correct
39 Correct 39 ms 23764 KB Output is correct
40 Correct 23 ms 19792 KB Output is correct
41 Correct 42 ms 25140 KB Output is correct
42 Correct 20 ms 19900 KB Output is correct

Subtask #6
30.0 / 30.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 344 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 1 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 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 344 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 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 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 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 45 ms 24996 KB Output is correct
34 Correct 19 ms 20416 KB Output is correct
35 Correct 21 ms 22472 KB Output is correct
36 Correct 45 ms 25028 KB Output is correct
37 Correct 42 ms 25232 KB Output is correct
38 Correct 47 ms 25992 KB Output is correct
39 Correct 39 ms 23764 KB Output is correct
40 Correct 23 ms 19792 KB Output is correct
41 Correct 42 ms 25140 KB Output is correct
42 Correct 20 ms 19900 KB Output is correct
43 Correct 473 ms 244568 KB Output is correct
44 Correct 168 ms 192372 KB Output is correct
45 Correct 204 ms 182992 KB Output is correct
46 Correct 494 ms 244644 KB Output is correct
47 Correct 453 ms 244096 KB Output is correct
48 Correct 441 ms 243496 KB Output is correct
49 Correct 418 ms 232404 KB Output is correct
50 Correct 224 ms 194208 KB Output is correct
51 Correct 419 ms 250528 KB Output is correct
52 Correct 219 ms 194660 KB Output is correct