#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin(), v.end()
typedef long long ll;
const ll inf = 1e18;
ll n, L, X[205], T[205], dp[205][205][205][2], d1, d2;
int ans;
int main(void){
ios::sync_with_stdio(0); cin.tie(0); cout.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];
X[n + 1] = L;
fill(&dp[0][0][0][0], &dp[204][204][204][2], inf);
dp[0][n + 1][0][0] = 0;
for(int l = 0; l <= n; l++)
for(int r = n + 1; r > l; r--)
for(int j = 0; j <= n; j++){
if(l){
d1 = X[l] - X[l - 1];
d2 = L - X[r] + X[l];
dp[l][r][j][0] = min(dp[l - 1][r][j][0] + d1, dp[l - 1][r][j][1] + d2);
if(j){
if(dp[l - 1][r][j - 1][0] + d1 <= T[l]) dp[l][r][j][0] = min(dp[l][r][j][0], dp[l - 1][r][j - 1][0] + d1);
if(dp[l - 1][r][j - 1][1] + d2 <= T[l]) dp[l][r][j][0] = min(dp[l][r][j][0], dp[l - 1][r][j - 1][1] + d2);
}
if(dp[l][r][j][0] < inf) ans = max(ans, j);
}
if(r < n + 1){
d1 = X[r + 1] - X[r];
d2 = L - X[r] + X[l];
dp[l][r][j][1] = min(dp[l][r + 1][j][1] + d1, dp[l][r + 1][j][0] + d2);
if(j){
if(dp[l][r + 1][j - 1][0] + d2 <= T[r]) dp[l][r][j][1] = min(dp[l][r][j][1], dp[l][r + 1][j - 1][0] + d2);
if(dp[l][r + 1][j - 1][1] + d1 <= T[r]) dp[l][r][j][1] = min(dp[l][r][j][1], dp[l][r + 1][j - 1][1] + d1);
}
if(dp[l][r][j][1] < inf) ans = max(ans, j);
}
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
52 ms |
135116 KB |
Output is correct |
2 |
Correct |
48 ms |
135156 KB |
Output is correct |
3 |
Correct |
48 ms |
135116 KB |
Output is correct |
4 |
Correct |
46 ms |
135132 KB |
Output is correct |
5 |
Correct |
48 ms |
135060 KB |
Output is correct |
6 |
Correct |
47 ms |
135064 KB |
Output is correct |
7 |
Correct |
48 ms |
135160 KB |
Output is correct |
8 |
Correct |
47 ms |
135088 KB |
Output is correct |
9 |
Correct |
47 ms |
135116 KB |
Output is correct |
10 |
Correct |
49 ms |
135112 KB |
Output is correct |
11 |
Correct |
49 ms |
135116 KB |
Output is correct |
12 |
Correct |
48 ms |
135088 KB |
Output is correct |
13 |
Correct |
47 ms |
135104 KB |
Output is correct |
14 |
Correct |
48 ms |
135072 KB |
Output is correct |
15 |
Correct |
50 ms |
135140 KB |
Output is correct |
16 |
Correct |
49 ms |
135116 KB |
Output is correct |
17 |
Correct |
51 ms |
135176 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
52 ms |
135116 KB |
Output is correct |
2 |
Correct |
48 ms |
135156 KB |
Output is correct |
3 |
Correct |
48 ms |
135116 KB |
Output is correct |
4 |
Correct |
46 ms |
135132 KB |
Output is correct |
5 |
Correct |
48 ms |
135060 KB |
Output is correct |
6 |
Correct |
47 ms |
135064 KB |
Output is correct |
7 |
Correct |
48 ms |
135160 KB |
Output is correct |
8 |
Correct |
47 ms |
135088 KB |
Output is correct |
9 |
Correct |
47 ms |
135116 KB |
Output is correct |
10 |
Correct |
49 ms |
135112 KB |
Output is correct |
11 |
Correct |
49 ms |
135116 KB |
Output is correct |
12 |
Correct |
48 ms |
135088 KB |
Output is correct |
13 |
Correct |
47 ms |
135104 KB |
Output is correct |
14 |
Correct |
48 ms |
135072 KB |
Output is correct |
15 |
Correct |
50 ms |
135140 KB |
Output is correct |
16 |
Correct |
49 ms |
135116 KB |
Output is correct |
17 |
Correct |
51 ms |
135176 KB |
Output is correct |
18 |
Correct |
56 ms |
135240 KB |
Output is correct |
19 |
Correct |
48 ms |
135088 KB |
Output is correct |
20 |
Correct |
48 ms |
135068 KB |
Output is correct |
21 |
Correct |
49 ms |
135140 KB |
Output is correct |
22 |
Correct |
50 ms |
135104 KB |
Output is correct |
23 |
Correct |
49 ms |
135136 KB |
Output is correct |
24 |
Correct |
49 ms |
135144 KB |
Output is correct |
25 |
Correct |
58 ms |
135212 KB |
Output is correct |
26 |
Correct |
49 ms |
135112 KB |
Output is correct |
27 |
Correct |
49 ms |
135124 KB |
Output is correct |
28 |
Correct |
58 ms |
135136 KB |
Output is correct |
29 |
Correct |
50 ms |
135100 KB |
Output is correct |
30 |
Correct |
49 ms |
135116 KB |
Output is correct |
31 |
Correct |
56 ms |
135116 KB |
Output is correct |
32 |
Correct |
48 ms |
135100 KB |
Output is correct |
33 |
Correct |
49 ms |
135116 KB |
Output is correct |
34 |
Correct |
49 ms |
135232 KB |
Output is correct |
35 |
Correct |
49 ms |
135116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
52 ms |
135116 KB |
Output is correct |
2 |
Correct |
48 ms |
135156 KB |
Output is correct |
3 |
Correct |
48 ms |
135116 KB |
Output is correct |
4 |
Correct |
46 ms |
135132 KB |
Output is correct |
5 |
Correct |
48 ms |
135060 KB |
Output is correct |
6 |
Correct |
47 ms |
135064 KB |
Output is correct |
7 |
Correct |
48 ms |
135160 KB |
Output is correct |
8 |
Correct |
47 ms |
135088 KB |
Output is correct |
9 |
Correct |
47 ms |
135116 KB |
Output is correct |
10 |
Correct |
49 ms |
135112 KB |
Output is correct |
11 |
Correct |
49 ms |
135116 KB |
Output is correct |
12 |
Correct |
48 ms |
135088 KB |
Output is correct |
13 |
Correct |
47 ms |
135104 KB |
Output is correct |
14 |
Correct |
48 ms |
135072 KB |
Output is correct |
15 |
Correct |
50 ms |
135140 KB |
Output is correct |
16 |
Correct |
49 ms |
135116 KB |
Output is correct |
17 |
Correct |
51 ms |
135176 KB |
Output is correct |
18 |
Correct |
66 ms |
135056 KB |
Output is correct |
19 |
Correct |
57 ms |
135160 KB |
Output is correct |
20 |
Correct |
52 ms |
135088 KB |
Output is correct |
21 |
Correct |
58 ms |
135072 KB |
Output is correct |
22 |
Correct |
59 ms |
135064 KB |
Output is correct |
23 |
Correct |
52 ms |
135104 KB |
Output is correct |
24 |
Correct |
51 ms |
135084 KB |
Output is correct |
25 |
Correct |
52 ms |
135116 KB |
Output is correct |
26 |
Correct |
50 ms |
135152 KB |
Output is correct |
27 |
Correct |
61 ms |
135296 KB |
Output is correct |
28 |
Correct |
51 ms |
135156 KB |
Output is correct |
29 |
Correct |
52 ms |
135116 KB |
Output is correct |
30 |
Correct |
50 ms |
135084 KB |
Output is correct |
31 |
Correct |
53 ms |
135100 KB |
Output is correct |
32 |
Correct |
50 ms |
135100 KB |
Output is correct |
33 |
Correct |
51 ms |
135148 KB |
Output is correct |
34 |
Correct |
49 ms |
135080 KB |
Output is correct |
35 |
Correct |
55 ms |
135076 KB |
Output is correct |
36 |
Correct |
50 ms |
135120 KB |
Output is correct |
37 |
Correct |
55 ms |
135076 KB |
Output is correct |
38 |
Correct |
62 ms |
135132 KB |
Output is correct |
39 |
Correct |
52 ms |
135060 KB |
Output is correct |
40 |
Correct |
52 ms |
135176 KB |
Output is correct |
41 |
Correct |
75 ms |
135180 KB |
Output is correct |
42 |
Correct |
62 ms |
135172 KB |
Output is correct |
43 |
Correct |
76 ms |
135080 KB |
Output is correct |
44 |
Correct |
63 ms |
135088 KB |
Output is correct |
45 |
Correct |
72 ms |
135152 KB |
Output is correct |
46 |
Correct |
62 ms |
135132 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
52 ms |
135116 KB |
Output is correct |
2 |
Correct |
48 ms |
135156 KB |
Output is correct |
3 |
Correct |
48 ms |
135116 KB |
Output is correct |
4 |
Correct |
46 ms |
135132 KB |
Output is correct |
5 |
Correct |
48 ms |
135060 KB |
Output is correct |
6 |
Correct |
47 ms |
135064 KB |
Output is correct |
7 |
Correct |
48 ms |
135160 KB |
Output is correct |
8 |
Correct |
47 ms |
135088 KB |
Output is correct |
9 |
Correct |
47 ms |
135116 KB |
Output is correct |
10 |
Correct |
49 ms |
135112 KB |
Output is correct |
11 |
Correct |
49 ms |
135116 KB |
Output is correct |
12 |
Correct |
48 ms |
135088 KB |
Output is correct |
13 |
Correct |
47 ms |
135104 KB |
Output is correct |
14 |
Correct |
48 ms |
135072 KB |
Output is correct |
15 |
Correct |
50 ms |
135140 KB |
Output is correct |
16 |
Correct |
49 ms |
135116 KB |
Output is correct |
17 |
Correct |
51 ms |
135176 KB |
Output is correct |
18 |
Correct |
56 ms |
135240 KB |
Output is correct |
19 |
Correct |
48 ms |
135088 KB |
Output is correct |
20 |
Correct |
48 ms |
135068 KB |
Output is correct |
21 |
Correct |
49 ms |
135140 KB |
Output is correct |
22 |
Correct |
50 ms |
135104 KB |
Output is correct |
23 |
Correct |
49 ms |
135136 KB |
Output is correct |
24 |
Correct |
49 ms |
135144 KB |
Output is correct |
25 |
Correct |
58 ms |
135212 KB |
Output is correct |
26 |
Correct |
49 ms |
135112 KB |
Output is correct |
27 |
Correct |
49 ms |
135124 KB |
Output is correct |
28 |
Correct |
58 ms |
135136 KB |
Output is correct |
29 |
Correct |
50 ms |
135100 KB |
Output is correct |
30 |
Correct |
49 ms |
135116 KB |
Output is correct |
31 |
Correct |
56 ms |
135116 KB |
Output is correct |
32 |
Correct |
48 ms |
135100 KB |
Output is correct |
33 |
Correct |
49 ms |
135116 KB |
Output is correct |
34 |
Correct |
49 ms |
135232 KB |
Output is correct |
35 |
Correct |
49 ms |
135116 KB |
Output is correct |
36 |
Correct |
66 ms |
135056 KB |
Output is correct |
37 |
Correct |
57 ms |
135160 KB |
Output is correct |
38 |
Correct |
52 ms |
135088 KB |
Output is correct |
39 |
Correct |
58 ms |
135072 KB |
Output is correct |
40 |
Correct |
59 ms |
135064 KB |
Output is correct |
41 |
Correct |
52 ms |
135104 KB |
Output is correct |
42 |
Correct |
51 ms |
135084 KB |
Output is correct |
43 |
Correct |
52 ms |
135116 KB |
Output is correct |
44 |
Correct |
50 ms |
135152 KB |
Output is correct |
45 |
Correct |
61 ms |
135296 KB |
Output is correct |
46 |
Correct |
51 ms |
135156 KB |
Output is correct |
47 |
Correct |
52 ms |
135116 KB |
Output is correct |
48 |
Correct |
50 ms |
135084 KB |
Output is correct |
49 |
Correct |
53 ms |
135100 KB |
Output is correct |
50 |
Correct |
50 ms |
135100 KB |
Output is correct |
51 |
Correct |
51 ms |
135148 KB |
Output is correct |
52 |
Correct |
49 ms |
135080 KB |
Output is correct |
53 |
Correct |
55 ms |
135076 KB |
Output is correct |
54 |
Correct |
50 ms |
135120 KB |
Output is correct |
55 |
Correct |
55 ms |
135076 KB |
Output is correct |
56 |
Correct |
62 ms |
135132 KB |
Output is correct |
57 |
Correct |
52 ms |
135060 KB |
Output is correct |
58 |
Correct |
52 ms |
135176 KB |
Output is correct |
59 |
Correct |
75 ms |
135180 KB |
Output is correct |
60 |
Correct |
62 ms |
135172 KB |
Output is correct |
61 |
Correct |
76 ms |
135080 KB |
Output is correct |
62 |
Correct |
63 ms |
135088 KB |
Output is correct |
63 |
Correct |
72 ms |
135152 KB |
Output is correct |
64 |
Correct |
62 ms |
135132 KB |
Output is correct |
65 |
Correct |
75 ms |
135248 KB |
Output is correct |
66 |
Correct |
66 ms |
135184 KB |
Output is correct |
67 |
Correct |
67 ms |
135108 KB |
Output is correct |
68 |
Correct |
64 ms |
135144 KB |
Output is correct |
69 |
Correct |
69 ms |
135108 KB |
Output is correct |
70 |
Correct |
70 ms |
135164 KB |
Output is correct |
71 |
Correct |
74 ms |
135120 KB |
Output is correct |
72 |
Correct |
70 ms |
135096 KB |
Output is correct |
73 |
Correct |
66 ms |
135184 KB |
Output is correct |
74 |
Correct |
68 ms |
135064 KB |
Output is correct |
75 |
Correct |
68 ms |
135168 KB |
Output is correct |
76 |
Correct |
72 ms |
135132 KB |
Output is correct |
77 |
Correct |
77 ms |
135372 KB |
Output is correct |
78 |
Correct |
67 ms |
135116 KB |
Output is correct |
79 |
Correct |
66 ms |
135100 KB |
Output is correct |
80 |
Correct |
70 ms |
135184 KB |
Output is correct |
81 |
Correct |
64 ms |
135116 KB |
Output is correct |
82 |
Correct |
67 ms |
135064 KB |
Output is correct |
83 |
Correct |
74 ms |
135116 KB |
Output is correct |
84 |
Correct |
68 ms |
135072 KB |
Output is correct |
85 |
Correct |
71 ms |
135124 KB |
Output is correct |
86 |
Correct |
69 ms |
135180 KB |
Output is correct |
87 |
Correct |
70 ms |
135180 KB |
Output is correct |
88 |
Correct |
78 ms |
135184 KB |
Output is correct |
89 |
Correct |
75 ms |
135128 KB |
Output is correct |
90 |
Correct |
67 ms |
135108 KB |
Output is correct |
91 |
Correct |
77 ms |
135180 KB |
Output is correct |
92 |
Correct |
74 ms |
135120 KB |
Output is correct |
93 |
Correct |
72 ms |
135152 KB |
Output is correct |