#include <bits/stdc++.h>
using namespace std;
int n, l, x[202], t[202], dp[201][201][201][2];
int main(){
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 = 1; i <= n + 1; i++){
for(int j = 0; j <= n; j++){
for(int t = 0; t <= n; t++){
dp[i][j][t][0] = 1e9 + 1;
dp[i][j][t][1] = 1e9 + 1;
}
}
}
x[n + 1] = l;
dp[n + 1][0][0][0] = 0;
dp[n + 1][0][0][1] = 0;
for(int i = n + 1; i >= 1; i--){
for(int j = 0; j <= n; j++){
for(int o = 0; o <= min((n + 1) - i + j, n); o++){
if(dp[i][j][o][0] < 1e9){
if(i - 1 > j && x[j] + (l - x[i - 1]) <= 1e9){
dp[i - 1][j][o + (x[j] + (l - x[i - 1]) + dp[i][j][o][0] <= t[i - 1])][1] = min(dp[i - 1][j][o + (x[j] + (l - x[i - 1]) + dp[i][j][o][0] <= t[i - 1])][1], x[j] + (l - x[i - 1]) + dp[i][j][o][0]);
}
if(j + 1 < i){
dp[i][j + 1][o + (x[j + 1] - x[j] + dp[i][j][o][0] <= t[j + 1])][0] = min(x[j + 1] - x[j] + dp[i][j][o][0], dp[i][j + 1][o + (x[j + 1] - x[j] + dp[i][j][o][0] <= t[j + 1])][0]);
}
}
if(dp[i][j][o][1] < 1e9){
if(i - 1 > j){
dp[i - 1][j][o + ((x[i] - x[i - 1]) + dp[i][j][o][1] <= t[i - 1])][1] = min(dp[i - 1][j][o + ((x[i] - x[i - 1]) + dp[i][j][o][1] <= t[i - 1])][1], (x[i] - x[i - 1]) + dp[i][j][o][1]);
}
if(j + 1 < i && (l - x[i]) + x[j + 1] <= 1e9){
dp[i][j + 1][o + ((l - x[i]) + x[j + 1] + dp[i][j][o][1] <= t[j + 1])][0] = min((l - x[i]) + x[j + 1] + dp[i][j][o][1], dp[i][j + 1][o + ((l - x[i]) + x[j + 1] + dp[i][j][o][1] <= t[j + 1])][0]);
}
}
}
}
}
int ans = 0;
for(int i = n + 1; i >= 1; i--){
for(int j = 0; j <= n; j++){
for(int o = 0; o <= min((n + 1) - i + j, n); o++){
if(dp[i][j][o][0] != 1e9 + 1 || dp[i][j][o][1] != 1e9 + 1){
//cout << i << " " << j << " " << o << " " << dp[i][j][o][0] << " " << dp[i][j][o][1] << '\n';
ans = max(o, ans);
}
}
}
}
cout << ans;
}
# |
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 |
4 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 |
512 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 |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
512 KB |
Output is correct |
16 |
Correct |
5 ms |
640 KB |
Output is correct |
17 |
Correct |
5 ms |
640 KB |
Output is correct |
# |
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 |
4 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 |
512 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 |
384 KB |
Output is correct |
15 |
Correct |
5 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 |
512 KB |
Output is correct |
20 |
Correct |
5 ms |
636 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 |
4 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 |
640 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 |
# |
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 |
4 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 |
512 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 |
384 KB |
Output is correct |
15 |
Correct |
5 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 |
75 ms |
51960 KB |
Output is correct |
19 |
Correct |
44 ms |
31744 KB |
Output is correct |
20 |
Correct |
22 ms |
17024 KB |
Output is correct |
21 |
Correct |
39 ms |
29952 KB |
Output is correct |
22 |
Correct |
55 ms |
38656 KB |
Output is correct |
23 |
Correct |
20 ms |
14592 KB |
Output is correct |
24 |
Correct |
14 ms |
11392 KB |
Output is correct |
25 |
Correct |
20 ms |
14208 KB |
Output is correct |
26 |
Correct |
8 ms |
5632 KB |
Output is correct |
27 |
Correct |
21 ms |
14848 KB |
Output is correct |
28 |
Correct |
14 ms |
10624 KB |
Output is correct |
29 |
Correct |
20 ms |
15104 KB |
Output is correct |
30 |
Correct |
15 ms |
12032 KB |
Output is correct |
31 |
Correct |
20 ms |
14208 KB |
Output is correct |
32 |
Correct |
11 ms |
7680 KB |
Output is correct |
33 |
Correct |
19 ms |
14208 KB |
Output is correct |
34 |
Correct |
8 ms |
5248 KB |
Output is correct |
35 |
Correct |
16 ms |
13952 KB |
Output is correct |
36 |
Correct |
9 ms |
6784 KB |
Output is correct |
37 |
Correct |
17 ms |
14848 KB |
Output is correct |
38 |
Correct |
11 ms |
8320 KB |
Output is correct |
39 |
Correct |
18 ms |
15488 KB |
Output is correct |
40 |
Correct |
12 ms |
9216 KB |
Output is correct |
41 |
Correct |
106 ms |
63608 KB |
Output is correct |
42 |
Correct |
42 ms |
43264 KB |
Output is correct |
43 |
Correct |
105 ms |
63608 KB |
Output is correct |
44 |
Correct |
40 ms |
42752 KB |
Output is correct |
45 |
Correct |
108 ms |
63736 KB |
Output is correct |
46 |
Correct |
41 ms |
43264 KB |
Output is correct |
# |
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 |
4 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 |
512 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 |
384 KB |
Output is correct |
15 |
Correct |
5 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 |
512 KB |
Output is correct |
20 |
Correct |
5 ms |
636 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 |
4 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 |
640 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 |
75 ms |
51960 KB |
Output is correct |
37 |
Correct |
44 ms |
31744 KB |
Output is correct |
38 |
Correct |
22 ms |
17024 KB |
Output is correct |
39 |
Correct |
39 ms |
29952 KB |
Output is correct |
40 |
Correct |
55 ms |
38656 KB |
Output is correct |
41 |
Correct |
20 ms |
14592 KB |
Output is correct |
42 |
Correct |
14 ms |
11392 KB |
Output is correct |
43 |
Correct |
20 ms |
14208 KB |
Output is correct |
44 |
Correct |
8 ms |
5632 KB |
Output is correct |
45 |
Correct |
21 ms |
14848 KB |
Output is correct |
46 |
Correct |
14 ms |
10624 KB |
Output is correct |
47 |
Correct |
20 ms |
15104 KB |
Output is correct |
48 |
Correct |
15 ms |
12032 KB |
Output is correct |
49 |
Correct |
20 ms |
14208 KB |
Output is correct |
50 |
Correct |
11 ms |
7680 KB |
Output is correct |
51 |
Correct |
19 ms |
14208 KB |
Output is correct |
52 |
Correct |
8 ms |
5248 KB |
Output is correct |
53 |
Correct |
16 ms |
13952 KB |
Output is correct |
54 |
Correct |
9 ms |
6784 KB |
Output is correct |
55 |
Correct |
17 ms |
14848 KB |
Output is correct |
56 |
Correct |
11 ms |
8320 KB |
Output is correct |
57 |
Correct |
18 ms |
15488 KB |
Output is correct |
58 |
Correct |
12 ms |
9216 KB |
Output is correct |
59 |
Correct |
106 ms |
63608 KB |
Output is correct |
60 |
Correct |
42 ms |
43264 KB |
Output is correct |
61 |
Correct |
105 ms |
63608 KB |
Output is correct |
62 |
Correct |
40 ms |
42752 KB |
Output is correct |
63 |
Correct |
108 ms |
63736 KB |
Output is correct |
64 |
Correct |
41 ms |
43264 KB |
Output is correct |
65 |
Correct |
61 ms |
57848 KB |
Output is correct |
66 |
Correct |
55 ms |
53116 KB |
Output is correct |
67 |
Correct |
51 ms |
50816 KB |
Output is correct |
68 |
Correct |
48 ms |
46976 KB |
Output is correct |
69 |
Correct |
61 ms |
57216 KB |
Output is correct |
70 |
Correct |
60 ms |
54912 KB |
Output is correct |
71 |
Correct |
56 ms |
55456 KB |
Output is correct |
72 |
Correct |
58 ms |
56064 KB |
Output is correct |
73 |
Correct |
52 ms |
51968 KB |
Output is correct |
74 |
Correct |
53 ms |
48632 KB |
Output is correct |
75 |
Correct |
53 ms |
53760 KB |
Output is correct |
76 |
Correct |
77 ms |
61688 KB |
Output is correct |
77 |
Correct |
61 ms |
61560 KB |
Output is correct |
78 |
Correct |
56 ms |
47488 KB |
Output is correct |
79 |
Correct |
50 ms |
49272 KB |
Output is correct |
80 |
Correct |
76 ms |
60280 KB |
Output is correct |
81 |
Correct |
49 ms |
49792 KB |
Output is correct |
82 |
Correct |
58 ms |
52608 KB |
Output is correct |
83 |
Correct |
63 ms |
63608 KB |
Output is correct |
84 |
Correct |
61 ms |
54912 KB |
Output is correct |
85 |
Correct |
64 ms |
59916 KB |
Output is correct |
86 |
Correct |
68 ms |
58548 KB |
Output is correct |
87 |
Correct |
54 ms |
53760 KB |
Output is correct |
88 |
Runtime error |
107 ms |
128632 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
89 |
Halted |
0 ms |
0 KB |
- |