oj.uz

Submission #227134

# Submission time Handle Problem Language Result Execution time Memory
227134 2020-04-26T08:02:13 Z maruii Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 74 ms 66040 KB 
#include <bits/stdc++.h>
using namespace std;

int N, L, X[205], T[205], D[205][205][205][2], ans;

int main() {
	ios_base::sync_with_stdio(0), cin.tie(0);
	cin >> N >> L;
	for (int i = 1; i <= N; ++i) cin >> X[i];
	for (int i = 1; i <= N; ++i) cin >> T[i];
	for (int i = 0; i <= N; ++i)
		for (int j = 1; j <= N + 1; ++j)
			for (int k = 0; k <= N; ++k)
				D[i][j][k][0] = D[i][j][k][1] = 1e9;
	X[N + 1] = L;
	D[0][N + 1][0][0] = D[0][N + 1][0][1] = 0;
	for (int i = 0; i <= N; ++i) {
		for (int j = N + 1; j > i; --j) {
			for (int k = 0; k <= N; ++k) {
				if (D[i][j][k][0] != 1e9 || D[i][j][k][1] != 1e9) ans = max(ans, k);

				if (D[i][j][k][0] + X[i + 1] - X[i] <= T[i + 1]) D[i + 1][j][k + 1][0] = min(D[i + 1][j][k + 1][0], D[i][j][k][0] + X[i + 1] - X[i]);
				else D[i + 1][j][k][0] = min(D[i + 1][j][k][0], D[i][j][k][0] + X[i + 1] - X[i]);

				if (D[i][j][k][0] + X[i] + L - X[j - 1] <= T[j - 1]) D[i][j - 1][k + 1][1] = min(D[i][j - 1][k + 1][1], D[i][j][k][0] + X[i] + L - X[j - 1]);
				else D[i][j - 1][k][1] = min(D[i][j - 1][k][1], D[i][j][k][0] + X[i] + L - X[j - 1]);

				if (D[i][j][k][1] + X[j] - X[j - 1] <= T[j - 1]) D[i][j - 1][k + 1][1] = min(D[i][j - 1][k + 1][1], D[i][j][k][1] + X[j] - X[j - 1]);
				else D[i][j - 1][k][1] = min(D[i][j - 1][k][1], D[i][j][k][1] + X[j] - X[j - 1]);

				if (D[i][j][k][1] + L - X[j] + X[i + 1] <= T[i + 1]) D[i + 1][j][k + 1][0] = min(D[i + 1][j][k + 1][0], D[i][j][k][1] + L - X[j] + X[i + 1]);
				else D[i + 1][j][k][0] = min(D[i + 1][j][k][0], D[i][j][k][1] + L - X[j] + X[i + 1]);
			}
		}
	}
	cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 4 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 640 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 4 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 640 KB Output is correct
18 Correct 5 ms 768 KB Output is correct
19 Correct 5 ms 640 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 5 ms 768 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 768 KB Output is correct
24 Correct 5 ms 640 KB Output is correct
25 Correct 5 ms 768 KB Output is correct
26 Correct 5 ms 768 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 5 ms 512 KB Output is correct
29 Correct 5 ms 768 KB Output is correct
30 Correct 5 ms 768 KB Output is correct
31 Correct 5 ms 768 KB Output is correct
32 Correct 5 ms 768 KB Output is correct
33 Correct 5 ms 768 KB Output is correct
34 Correct 5 ms 768 KB Output is correct
35 Correct 6 ms 768 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 4 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 640 KB Output is correct
18 Correct 52 ms 52992 KB Output is correct
19 Correct 30 ms 32384 KB Output is correct
20 Correct 17 ms 17408 KB Output is correct
21 Correct 30 ms 30572 KB Output is correct
22 Correct 37 ms 39424 KB Output is correct
23 Correct 16 ms 14848 KB Output is correct
24 Correct 12 ms 11648 KB Output is correct
25 Correct 16 ms 14592 KB Output is correct
26 Correct 8 ms 5760 KB Output is correct
27 Correct 15 ms 15104 KB Output is correct
28 Correct 12 ms 10880 KB Output is correct
29 Correct 15 ms 15488 KB Output is correct
30 Correct 14 ms 12288 KB Output is correct
31 Correct 14 ms 14592 KB Output is correct
32 Correct 9 ms 7808 KB Output is correct
33 Correct 16 ms 14592 KB Output is correct
34 Correct 7 ms 5376 KB Output is correct
35 Correct 13 ms 14208 KB Output is correct
36 Correct 8 ms 6912 KB Output is correct
37 Correct 15 ms 15104 KB Output is correct
38 Correct 11 ms 8448 KB Output is correct
39 Correct 15 ms 15744 KB Output is correct
40 Correct 11 ms 9472 KB Output is correct
41 Correct 63 ms 65280 KB Output is correct
42 Correct 41 ms 44160 KB Output is correct
43 Correct 65 ms 65280 KB Output is correct
44 Correct 40 ms 43648 KB Output is correct
45 Correct 66 ms 65272 KB Output is correct
46 Correct 46 ms 44160 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 512 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 512 KB Output is correct
8 Correct 5 ms 640 KB Output is correct
9 Correct 5 ms 640 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 640 KB Output is correct
13 Correct 5 ms 640 KB Output is correct
14 Correct 5 ms 512 KB Output is correct
15 Correct 4 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 640 KB Output is correct
18 Correct 5 ms 768 KB Output is correct
19 Correct 5 ms 640 KB Output is correct
20 Correct 5 ms 640 KB Output is correct
21 Correct 5 ms 768 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 768 KB Output is correct
24 Correct 5 ms 640 KB Output is correct
25 Correct 5 ms 768 KB Output is correct
26 Correct 5 ms 768 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 5 ms 512 KB Output is correct
29 Correct 5 ms 768 KB Output is correct
30 Correct 5 ms 768 KB Output is correct
31 Correct 5 ms 768 KB Output is correct
32 Correct 5 ms 768 KB Output is correct
33 Correct 5 ms 768 KB Output is correct
34 Correct 5 ms 768 KB Output is correct
35 Correct 6 ms 768 KB Output is correct
36 Correct 52 ms 52992 KB Output is correct
37 Correct 30 ms 32384 KB Output is correct
38 Correct 17 ms 17408 KB Output is correct
39 Correct 30 ms 30572 KB Output is correct
40 Correct 37 ms 39424 KB Output is correct
41 Correct 16 ms 14848 KB Output is correct
42 Correct 12 ms 11648 KB Output is correct
43 Correct 16 ms 14592 KB Output is correct
44 Correct 8 ms 5760 KB Output is correct
45 Correct 15 ms 15104 KB Output is correct
46 Correct 12 ms 10880 KB Output is correct
47 Correct 15 ms 15488 KB Output is correct
48 Correct 14 ms 12288 KB Output is correct
49 Correct 14 ms 14592 KB Output is correct
50 Correct 9 ms 7808 KB Output is correct
51 Correct 16 ms 14592 KB Output is correct
52 Correct 7 ms 5376 KB Output is correct
53 Correct 13 ms 14208 KB Output is correct
54 Correct 8 ms 6912 KB Output is correct
55 Correct 15 ms 15104 KB Output is correct
56 Correct 11 ms 8448 KB Output is correct
57 Correct 15 ms 15744 KB Output is correct
58 Correct 11 ms 9472 KB Output is correct
59 Correct 63 ms 65280 KB Output is correct
60 Correct 41 ms 44160 KB Output is correct
61 Correct 65 ms 65280 KB Output is correct
62 Correct 40 ms 43648 KB Output is correct
63 Correct 66 ms 65272 KB Output is correct
64 Correct 46 ms 44160 KB Output is correct
65 Correct 58 ms 59008 KB Output is correct
66 Correct 60 ms 54264 KB Output is correct
67 Correct 49 ms 51968 KB Output is correct
68 Correct 46 ms 48000 KB Output is correct
69 Correct 58 ms 58488 KB Output is correct
70 Correct 53 ms 56056 KB Output is correct
71 Correct 58 ms 56568 KB Output is correct
72 Correct 56 ms 57208 KB Output is correct
73 Correct 51 ms 52984 KB Output is correct
74 Correct 47 ms 49656 KB Output is correct
75 Correct 57 ms 54784 KB Output is correct
76 Correct 70 ms 62848 KB Output is correct
77 Correct 63 ms 62712 KB Output is correct
78 Correct 49 ms 48512 KB Output is correct
79 Correct 52 ms 50168 KB Output is correct
80 Correct 67 ms 61568 KB Output is correct
81 Correct 47 ms 50816 KB Output is correct
82 Correct 54 ms 53632 KB Output is correct
83 Correct 72 ms 65272 KB Output is correct
84 Correct 52 ms 55936 KB Output is correct
85 Correct 66 ms 60920 KB Output is correct
86 Correct 57 ms 59640 KB Output is correct
87 Correct 62 ms 54776 KB Output is correct
88 Correct 72 ms 65912 KB Output is correct
89 Correct 74 ms 65912 KB Output is correct
90 Correct 59 ms 55416 KB Output is correct
91 Correct 68 ms 65912 KB Output is correct
92 Correct 67 ms 66040 KB Output is correct
93 Correct 62 ms 64632 KB Output is correct