oj.uz

Submission #916337

# Submission time Handle Problem Language Result Execution time Memory
916337 2024-01-25T17:04:27 Z EJIC_B_KEDAX Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 102 ms 66756 KB 
#include <bits/stdc++.h>

#define x first
#define y second

using ll = long long;
#define int ll

using namespace std;

int32_t main() {
	int n, L;
	cin >> n >> L;
	vector<pair<int, int>> a(n + 2);
	a[0] = {0, INT64_MAX};
	a[n + 1] = {L, INT64_MAX};
	for (int i = 1; i <= n; i++) {
		cin >> a[i].x;
	}
	for (int i = 1; i <= n; i++) {
		cin >> a[i].y;
	}
	n += 2;
	vector<vector<vector<ll>>> dp(n, vector<vector<ll>>(n, vector<ll>(n, INT64_MAX / 2)));
	dp[0][n - 1][0] = 0;
	for (int l = n - 1; l > 1; l--) {
		for (int i = 0; i + l < n; i++) {
			int j = i + l;
			for (int s = 0; s < n; s++) {
				ll dist1 = a[i + 1].x - a[i].x, dist2 = a[i].x + L - a[j - 1].x;
				if (dp[i][j][s] + dist1 <= a[i + 1].y) {
					dp[i + 1][j][s + 1] = min(dp[i + 1][j][s + 1], dp[i][j][s] + dist1);
				} else {
					dp[i + 1][j][s] = min(dp[i + 1][j][s], dp[i][j][s] + dist1);
				}
				if (dp[i][j][s] + dist2 <= a[j - 1].y) {
					dp[j - 1][i][s + 1] = min(dp[j - 1][i][s + 1], dp[i][j][s] + dist2);
				} else {
					dp[j - 1][i][s] = min(dp[j - 1][i][s], dp[i][j][s] + dist2);
				}
			}
		}
		for (int i = l; i < n; i++) {
			int j = i - l;
			for (int s = 0; s < n; s++) {
				ll dist1 = a[i].x - a[i - 1].x, dist2 = L - a[i].x + a[j + 1].x;
				if (dp[i][j][s] + dist1 <= a[i - 1].y) {
					dp[i - 1][j][s + 1] = min(dp[i - 1][j][s + 1], dp[i][j][s] + dist1);
				} else {
					dp[i - 1][j][s] = min(dp[i - 1][j][s], dp[i][j][s] + dist1);
				}
				if (dp[i][j][s] + dist2 <= a[j + 1].y) {
					dp[j + 1][i][s + 1] = min(dp[j + 1][i][s + 1], dp[i][j][s] + dist2);
				} else {
					dp[j + 1][i][s] = min(dp[j + 1][i][s], dp[i][j][s] + dist2);
				}
			}
		}
	}
	for (int s = n - 1; s >= 0; s--) {
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < n; j++) {
				if (dp[i][j][s] < INT64_MAX / 2) {
					cout << s << '\n';
					return 0;
				}
			}
		}
	}
}

Subtask #1
5.0 / 5.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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

Subtask #2
10.0 / 10.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 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 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct

Subtask #3
10.0 / 10.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 58 ms 47968 KB Output is correct
19 Correct 29 ms 23132 KB Output is correct
20 Correct 10 ms 9304 KB Output is correct
21 Correct 26 ms 21084 KB Output is correct
22 Correct 35 ms 31200 KB Output is correct
23 Correct 6 ms 7456 KB Output is correct
24 Correct 5 ms 5212 KB Output is correct
25 Correct 6 ms 7260 KB Output is correct
26 Correct 2 ms 1880 KB Output is correct
27 Correct 6 ms 7772 KB Output is correct
28 Correct 4 ms 4700 KB Output is correct
29 Correct 7 ms 7860 KB Output is correct
30 Correct 5 ms 5724 KB Output is correct
31 Correct 6 ms 7260 KB Output is correct
32 Correct 3 ms 2908 KB Output is correct
33 Correct 7 ms 7360 KB Output is correct
34 Correct 2 ms 1884 KB Output is correct
35 Correct 7 ms 7004 KB Output is correct
36 Correct 2 ms 2652 KB Output is correct
37 Correct 8 ms 7760 KB Output is correct
38 Correct 3 ms 3416 KB Output is correct
39 Correct 8 ms 8028 KB Output is correct
40 Correct 3 ms 3932 KB Output is correct
41 Correct 68 ms 65372 KB Output is correct
42 Correct 62 ms 36652 KB Output is correct
43 Correct 66 ms 65576 KB Output is correct
44 Correct 56 ms 36188 KB Output is correct
45 Correct 66 ms 65368 KB Output is correct
46 Correct 57 ms 36444 KB Output is correct

Subtask #4
75.0 / 75.0

# 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 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 600 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 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 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 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 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 1 ms 600 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 344 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 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 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 1 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 0 ms 348 KB Output is correct
36 Correct 58 ms 47968 KB Output is correct
37 Correct 29 ms 23132 KB Output is correct
38 Correct 10 ms 9304 KB Output is correct
39 Correct 26 ms 21084 KB Output is correct
40 Correct 35 ms 31200 KB Output is correct
41 Correct 6 ms 7456 KB Output is correct
42 Correct 5 ms 5212 KB Output is correct
43 Correct 6 ms 7260 KB Output is correct
44 Correct 2 ms 1880 KB Output is correct
45 Correct 6 ms 7772 KB Output is correct
46 Correct 4 ms 4700 KB Output is correct
47 Correct 7 ms 7860 KB Output is correct
48 Correct 5 ms 5724 KB Output is correct
49 Correct 6 ms 7260 KB Output is correct
50 Correct 3 ms 2908 KB Output is correct
51 Correct 7 ms 7360 KB Output is correct
52 Correct 2 ms 1884 KB Output is correct
53 Correct 7 ms 7004 KB Output is correct
54 Correct 2 ms 2652 KB Output is correct
55 Correct 8 ms 7760 KB Output is correct
56 Correct 3 ms 3416 KB Output is correct
57 Correct 8 ms 8028 KB Output is correct
58 Correct 3 ms 3932 KB Output is correct
59 Correct 68 ms 65372 KB Output is correct
60 Correct 62 ms 36652 KB Output is correct
61 Correct 66 ms 65576 KB Output is correct
62 Correct 56 ms 36188 KB Output is correct
63 Correct 66 ms 65368 KB Output is correct
64 Correct 57 ms 36444 KB Output is correct
65 Correct 70 ms 56412 KB Output is correct
66 Correct 54 ms 49496 KB Output is correct
67 Correct 53 ms 46580 KB Output is correct
68 Correct 51 ms 41560 KB Output is correct
69 Correct 61 ms 55696 KB Output is correct
70 Correct 46 ms 52308 KB Output is correct
71 Correct 64 ms 53020 KB Output is correct
72 Correct 46 ms 54100 KB Output is correct
73 Correct 58 ms 48124 KB Output is correct
74 Correct 38 ms 43344 KB Output is correct
75 Correct 59 ms 50780 KB Output is correct
76 Correct 60 ms 61708 KB Output is correct
77 Correct 78 ms 61792 KB Output is correct
78 Correct 41 ms 42076 KB Output is correct
79 Correct 53 ms 44564 KB Output is correct
80 Correct 57 ms 59964 KB Output is correct
81 Correct 55 ms 44884 KB Output is correct
82 Correct 63 ms 49232 KB Output is correct
83 Correct 81 ms 65576 KB Output is correct
84 Correct 65 ms 52316 KB Output is correct
85 Correct 65 ms 59348 KB Output is correct
86 Correct 80 ms 57436 KB Output is correct
87 Correct 62 ms 50780 KB Output is correct
88 Correct 57 ms 66756 KB Output is correct
89 Correct 65 ms 66640 KB Output is correct
90 Correct 80 ms 51288 KB Output is correct
91 Correct 60 ms 66640 KB Output is correct
92 Correct 68 ms 66640 KB Output is correct
93 Correct 102 ms 64860 KB Output is correct