oj.uz

Submission #1032601

# Submission time Handle Problem Language Result Execution time Memory
1032601 2024-07-24T03:39:41 Z juicy Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 51 ms 66400 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif
 
const int N = 205, inf = 1e9 + 7;
 
int n, l;
int x[N], t[N], dp[N][N][N][2];
 
int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);
 
	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 = 0; j <= n + 1; ++j) {
			for (int k = 0; k <= n; ++k) {
				for (int x = 0; x < 2; ++x) {
					dp[i][j][k][x] = inf;
				}
			}
		}
	}
	dp[0][n + 1][0][0] = 0;
	for (int i = 0; i < n; ++i) {
		for (int j = n + 1; j > i + 1; --j) {
			for (int cnt = 0; cnt <= n; ++cnt) {
				if (dp[i][j][cnt][0] != inf) {
					int c = dp[i][j][cnt][0] + x[i + 1] - x[i];
					int ncnt = cnt + (c <= t[i + 1]);
					dp[i + 1][j][ncnt][0] = min(dp[i + 1][j][ncnt][0], c);
					c = dp[i][j][cnt][0] + x[i] + l - x[j - 1];
					ncnt = cnt + (c <= t[j - 1]);
					dp[i][j - 1][ncnt][1] = min(dp[i][j - 1][ncnt][1], c);
				} 
				if (dp[i][j][cnt][1] != inf) {
					int c = dp[i][j][cnt][1] + l - x[j] + x[i + 1];
					int ncnt = cnt + (c <= t[i + 1]);
					dp[i + 1][j][ncnt][0] = min(dp[i + 1][j][ncnt][0], c);
					c = dp[i][j][cnt][1] + x[j] - x[j - 1];
					ncnt = cnt + (c <= t[j - 1]);
					dp[i][j - 1][ncnt][1] = min(dp[i][j - 1][ncnt][1], c);
				}
			}
		}
	}
	int res = 0;
	for (int i = 0; i <= n; ++i) {
		for (int j = 0; j <= n + 1; ++j) {
			for (int k = 0; k <= n; ++k) {
				for (int x = 0; x < 2; ++x) {
					if (dp[i][j][k][x] < inf) {
						res = max(res, k);
					}
				}
			}
		}
	}
	cout << res;
	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 1 ms 608 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 608 KB Output is correct
7 Correct 0 ms 612 KB Output is correct
8 Correct 0 ms 608 KB Output is correct
9 Correct 0 ms 604 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 604 KB Output is correct
13 Correct 0 ms 720 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 856 KB Output is correct
17 Correct 0 ms 604 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 1 ms 608 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 608 KB Output is correct
7 Correct 0 ms 612 KB Output is correct
8 Correct 0 ms 608 KB Output is correct
9 Correct 0 ms 604 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 604 KB Output is correct
13 Correct 0 ms 720 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 856 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 860 KB Output is correct
19 Correct 0 ms 856 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 0 ms 860 KB Output is correct
24 Correct 0 ms 604 KB Output is correct
25 Correct 1 ms 716 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 0 ms 604 KB Output is correct
28 Correct 0 ms 604 KB Output is correct
29 Correct 0 ms 860 KB Output is correct
30 Correct 0 ms 860 KB Output is correct
31 Correct 1 ms 864 KB Output is correct
32 Correct 0 ms 600 KB Output is correct
33 Correct 0 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 0 ms 860 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 1 ms 608 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 608 KB Output is correct
7 Correct 0 ms 612 KB Output is correct
8 Correct 0 ms 608 KB Output is correct
9 Correct 0 ms 604 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 604 KB Output is correct
13 Correct 0 ms 720 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 856 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 38 ms 53276 KB Output is correct
19 Correct 23 ms 32604 KB Output is correct
20 Correct 12 ms 17500 KB Output is correct
21 Correct 22 ms 30812 KB Output is correct
22 Correct 28 ms 39772 KB Output is correct
23 Correct 10 ms 15108 KB Output is correct
24 Correct 7 ms 11868 KB Output is correct
25 Correct 9 ms 14816 KB Output is correct
26 Correct 3 ms 5912 KB Output is correct
27 Correct 9 ms 15196 KB Output is correct
28 Correct 7 ms 11108 KB Output is correct
29 Correct 10 ms 15716 KB Output is correct
30 Correct 6 ms 12380 KB Output is correct
31 Correct 8 ms 14684 KB Output is correct
32 Correct 4 ms 7776 KB Output is correct
33 Correct 8 ms 14724 KB Output is correct
34 Correct 3 ms 5468 KB Output is correct
35 Correct 9 ms 14500 KB Output is correct
36 Correct 4 ms 7004 KB Output is correct
37 Correct 9 ms 15312 KB Output is correct
38 Correct 5 ms 8496 KB Output is correct
39 Correct 10 ms 15964 KB Output is correct
40 Correct 5 ms 9612 KB Output is correct
41 Correct 48 ms 65652 KB Output is correct
42 Correct 26 ms 44380 KB Output is correct
43 Correct 49 ms 65624 KB Output is correct
44 Correct 26 ms 43936 KB Output is correct
45 Correct 51 ms 65724 KB Output is correct
46 Correct 31 ms 44624 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 1 ms 608 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 604 KB Output is correct
6 Correct 0 ms 608 KB Output is correct
7 Correct 0 ms 612 KB Output is correct
8 Correct 0 ms 608 KB Output is correct
9 Correct 0 ms 604 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 604 KB Output is correct
13 Correct 0 ms 720 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 600 KB Output is correct
16 Correct 0 ms 856 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 860 KB Output is correct
19 Correct 0 ms 856 KB Output is correct
20 Correct 1 ms 604 KB Output is correct
21 Correct 1 ms 1112 KB Output is correct
22 Correct 0 ms 600 KB Output is correct
23 Correct 0 ms 860 KB Output is correct
24 Correct 0 ms 604 KB Output is correct
25 Correct 1 ms 716 KB Output is correct
26 Correct 1 ms 860 KB Output is correct
27 Correct 0 ms 604 KB Output is correct
28 Correct 0 ms 604 KB Output is correct
29 Correct 0 ms 860 KB Output is correct
30 Correct 0 ms 860 KB Output is correct
31 Correct 1 ms 864 KB Output is correct
32 Correct 0 ms 600 KB Output is correct
33 Correct 0 ms 860 KB Output is correct
34 Correct 1 ms 860 KB Output is correct
35 Correct 0 ms 860 KB Output is correct
36 Correct 38 ms 53276 KB Output is correct
37 Correct 23 ms 32604 KB Output is correct
38 Correct 12 ms 17500 KB Output is correct
39 Correct 22 ms 30812 KB Output is correct
40 Correct 28 ms 39772 KB Output is correct
41 Correct 10 ms 15108 KB Output is correct
42 Correct 7 ms 11868 KB Output is correct
43 Correct 9 ms 14816 KB Output is correct
44 Correct 3 ms 5912 KB Output is correct
45 Correct 9 ms 15196 KB Output is correct
46 Correct 7 ms 11108 KB Output is correct
47 Correct 10 ms 15716 KB Output is correct
48 Correct 6 ms 12380 KB Output is correct
49 Correct 8 ms 14684 KB Output is correct
50 Correct 4 ms 7776 KB Output is correct
51 Correct 8 ms 14724 KB Output is correct
52 Correct 3 ms 5468 KB Output is correct
53 Correct 9 ms 14500 KB Output is correct
54 Correct 4 ms 7004 KB Output is correct
55 Correct 9 ms 15312 KB Output is correct
56 Correct 5 ms 8496 KB Output is correct
57 Correct 10 ms 15964 KB Output is correct
58 Correct 5 ms 9612 KB Output is correct
59 Correct 48 ms 65652 KB Output is correct
60 Correct 26 ms 44380 KB Output is correct
61 Correct 49 ms 65624 KB Output is correct
62 Correct 26 ms 43936 KB Output is correct
63 Correct 51 ms 65724 KB Output is correct
64 Correct 31 ms 44624 KB Output is correct
65 Correct 39 ms 59220 KB Output is correct
66 Correct 38 ms 54360 KB Output is correct
67 Correct 35 ms 52060 KB Output is correct
68 Correct 29 ms 48220 KB Output is correct
69 Correct 38 ms 58712 KB Output is correct
70 Correct 39 ms 56144 KB Output is correct
71 Correct 37 ms 56920 KB Output is correct
72 Correct 40 ms 57436 KB Output is correct
73 Correct 33 ms 53340 KB Output is correct
74 Correct 38 ms 49996 KB Output is correct
75 Correct 37 ms 55132 KB Output is correct
76 Correct 46 ms 63060 KB Output is correct
77 Correct 44 ms 63068 KB Output is correct
78 Correct 33 ms 48732 KB Output is correct
79 Correct 35 ms 50728 KB Output is correct
80 Correct 44 ms 61828 KB Output is correct
81 Correct 33 ms 51036 KB Output is correct
82 Correct 34 ms 53980 KB Output is correct
83 Correct 51 ms 65720 KB Output is correct
84 Correct 38 ms 56244 KB Output is correct
85 Correct 41 ms 61236 KB Output is correct
86 Correct 42 ms 59996 KB Output is correct
87 Correct 41 ms 55124 KB Output is correct
88 Correct 48 ms 66248 KB Output is correct
89 Correct 45 ms 66400 KB Output is correct
90 Correct 45 ms 55644 KB Output is correct
91 Correct 48 ms 66388 KB Output is correct
92 Correct 47 ms 66388 KB Output is correct
93 Correct 48 ms 64860 KB Output is correct