#include<bits/stdc++.h>
using namespace std;
#define REP(i, n) for(int i = 0; i < n; i++)
const int N = 201;
int n, len, ans;
int dp[N][N][N][2];
int d[N], t[N];
int main() {
cin >> n >> len;
REP(i, n) cin >> d[i + 1];
REP(i, n) cin >> t[i];
REP(l, n + 1) REP(r, n + 1) REP(k, n + 1) REP(q, 2) dp[l][r][k][q] = 1e9 + 1;
dp[0][0][0][0] = 0;
dp[0][0][0][1] = 0;
d[n + 1] = len;
REP(l, n + 1) REP(r, n + 1) {
if(n < l + r) break;
REP(k, n + 1) {
if(l) {
dp[l][r][k][0] = min(dp[l][r][k][0], dp[l - 1][r][k][0] + d[l] - d[l - 1]);
dp[l][r][k][0] = min(dp[l][r][k][0], dp[l - 1][r][k][1] + d[l] + len - d[n + 1 - r]);
}
if(r) {
dp[l][r][k][1] = min(dp[l][r][k][1], dp[l][r - 1][k][1] + d[n + 2 - r] - d[n + 1 - r]);
dp[l][r][k][1] = min(dp[l][r][k][1], dp[l][r - 1][k][0] + d[l] + len - d[n + 1 - r]);
}
}
for(int k = n; k >= 1; k--) {
if(l && dp[l][r][k - 1][0] <= t[l - 1]) {
dp[l][r][k][0] = dp[l][r][k - 1][0];
ans = max(ans, k);
}
if(r && dp[l][r][k - 1][1] <= t[n - r]) {
dp[l][r][k][1] = dp[l][r][k - 1][1];
ans = max(ans, k);
}
}
}
cout << ans << "\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
632 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
5 ms |
632 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
5 ms |
632 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
508 KB |
Output is correct |
16 |
Correct |
5 ms |
632 KB |
Output is correct |
17 |
Correct |
5 ms |
636 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
632 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
5 ms |
632 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
5 ms |
632 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
508 KB |
Output is correct |
16 |
Correct |
5 ms |
632 KB |
Output is correct |
17 |
Correct |
5 ms |
636 KB |
Output is correct |
18 |
Correct |
5 ms |
760 KB |
Output is correct |
19 |
Correct |
5 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
632 KB |
Output is correct |
21 |
Correct |
5 ms |
760 KB |
Output is correct |
22 |
Correct |
5 ms |
504 KB |
Output is correct |
23 |
Correct |
5 ms |
760 KB |
Output is correct |
24 |
Correct |
5 ms |
632 KB |
Output is correct |
25 |
Correct |
5 ms |
760 KB |
Output is correct |
26 |
Correct |
5 ms |
760 KB |
Output is correct |
27 |
Correct |
5 ms |
504 KB |
Output is correct |
28 |
Correct |
5 ms |
504 KB |
Output is correct |
29 |
Correct |
5 ms |
760 KB |
Output is correct |
30 |
Correct |
5 ms |
760 KB |
Output is correct |
31 |
Correct |
5 ms |
760 KB |
Output is correct |
32 |
Correct |
5 ms |
632 KB |
Output is correct |
33 |
Correct |
5 ms |
760 KB |
Output is correct |
34 |
Correct |
5 ms |
760 KB |
Output is correct |
35 |
Correct |
5 ms |
760 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
632 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
5 ms |
632 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
5 ms |
632 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
508 KB |
Output is correct |
16 |
Correct |
5 ms |
632 KB |
Output is correct |
17 |
Correct |
5 ms |
636 KB |
Output is correct |
18 |
Correct |
66 ms |
52088 KB |
Output is correct |
19 |
Correct |
27 ms |
31736 KB |
Output is correct |
20 |
Correct |
18 ms |
17016 KB |
Output is correct |
21 |
Correct |
29 ms |
29944 KB |
Output is correct |
22 |
Correct |
38 ms |
38648 KB |
Output is correct |
23 |
Correct |
15 ms |
14584 KB |
Output is correct |
24 |
Correct |
13 ms |
11384 KB |
Output is correct |
25 |
Correct |
15 ms |
14204 KB |
Output is correct |
26 |
Correct |
11 ms |
5624 KB |
Output is correct |
27 |
Correct |
22 ms |
14840 KB |
Output is correct |
28 |
Correct |
13 ms |
10744 KB |
Output is correct |
29 |
Correct |
18 ms |
15096 KB |
Output is correct |
30 |
Correct |
14 ms |
12024 KB |
Output is correct |
31 |
Correct |
16 ms |
14200 KB |
Output is correct |
32 |
Correct |
10 ms |
7672 KB |
Output is correct |
33 |
Correct |
16 ms |
14200 KB |
Output is correct |
34 |
Correct |
8 ms |
5240 KB |
Output is correct |
35 |
Correct |
16 ms |
13944 KB |
Output is correct |
36 |
Correct |
10 ms |
6776 KB |
Output is correct |
37 |
Correct |
15 ms |
14844 KB |
Output is correct |
38 |
Correct |
10 ms |
8184 KB |
Output is correct |
39 |
Correct |
17 ms |
15480 KB |
Output is correct |
40 |
Correct |
11 ms |
9208 KB |
Output is correct |
41 |
Correct |
78 ms |
63608 KB |
Output is correct |
42 |
Correct |
48 ms |
43256 KB |
Output is correct |
43 |
Correct |
71 ms |
63608 KB |
Output is correct |
44 |
Correct |
44 ms |
42744 KB |
Output is correct |
45 |
Correct |
83 ms |
63608 KB |
Output is correct |
46 |
Correct |
43 ms |
43256 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
504 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
632 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
504 KB |
Output is correct |
9 |
Correct |
5 ms |
632 KB |
Output is correct |
10 |
Correct |
5 ms |
376 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
632 KB |
Output is correct |
13 |
Correct |
5 ms |
632 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
508 KB |
Output is correct |
16 |
Correct |
5 ms |
632 KB |
Output is correct |
17 |
Correct |
5 ms |
636 KB |
Output is correct |
18 |
Correct |
5 ms |
760 KB |
Output is correct |
19 |
Correct |
5 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
632 KB |
Output is correct |
21 |
Correct |
5 ms |
760 KB |
Output is correct |
22 |
Correct |
5 ms |
504 KB |
Output is correct |
23 |
Correct |
5 ms |
760 KB |
Output is correct |
24 |
Correct |
5 ms |
632 KB |
Output is correct |
25 |
Correct |
5 ms |
760 KB |
Output is correct |
26 |
Correct |
5 ms |
760 KB |
Output is correct |
27 |
Correct |
5 ms |
504 KB |
Output is correct |
28 |
Correct |
5 ms |
504 KB |
Output is correct |
29 |
Correct |
5 ms |
760 KB |
Output is correct |
30 |
Correct |
5 ms |
760 KB |
Output is correct |
31 |
Correct |
5 ms |
760 KB |
Output is correct |
32 |
Correct |
5 ms |
632 KB |
Output is correct |
33 |
Correct |
5 ms |
760 KB |
Output is correct |
34 |
Correct |
5 ms |
760 KB |
Output is correct |
35 |
Correct |
5 ms |
760 KB |
Output is correct |
36 |
Correct |
66 ms |
52088 KB |
Output is correct |
37 |
Correct |
27 ms |
31736 KB |
Output is correct |
38 |
Correct |
18 ms |
17016 KB |
Output is correct |
39 |
Correct |
29 ms |
29944 KB |
Output is correct |
40 |
Correct |
38 ms |
38648 KB |
Output is correct |
41 |
Correct |
15 ms |
14584 KB |
Output is correct |
42 |
Correct |
13 ms |
11384 KB |
Output is correct |
43 |
Correct |
15 ms |
14204 KB |
Output is correct |
44 |
Correct |
11 ms |
5624 KB |
Output is correct |
45 |
Correct |
22 ms |
14840 KB |
Output is correct |
46 |
Correct |
13 ms |
10744 KB |
Output is correct |
47 |
Correct |
18 ms |
15096 KB |
Output is correct |
48 |
Correct |
14 ms |
12024 KB |
Output is correct |
49 |
Correct |
16 ms |
14200 KB |
Output is correct |
50 |
Correct |
10 ms |
7672 KB |
Output is correct |
51 |
Correct |
16 ms |
14200 KB |
Output is correct |
52 |
Correct |
8 ms |
5240 KB |
Output is correct |
53 |
Correct |
16 ms |
13944 KB |
Output is correct |
54 |
Correct |
10 ms |
6776 KB |
Output is correct |
55 |
Correct |
15 ms |
14844 KB |
Output is correct |
56 |
Correct |
10 ms |
8184 KB |
Output is correct |
57 |
Correct |
17 ms |
15480 KB |
Output is correct |
58 |
Correct |
11 ms |
9208 KB |
Output is correct |
59 |
Correct |
78 ms |
63608 KB |
Output is correct |
60 |
Correct |
48 ms |
43256 KB |
Output is correct |
61 |
Correct |
71 ms |
63608 KB |
Output is correct |
62 |
Correct |
44 ms |
42744 KB |
Output is correct |
63 |
Correct |
83 ms |
63608 KB |
Output is correct |
64 |
Correct |
43 ms |
43256 KB |
Output is correct |
65 |
Correct |
62 ms |
57848 KB |
Output is correct |
66 |
Correct |
54 ms |
53112 KB |
Output is correct |
67 |
Correct |
51 ms |
50808 KB |
Output is correct |
68 |
Correct |
48 ms |
46968 KB |
Output is correct |
69 |
Correct |
60 ms |
57208 KB |
Output is correct |
70 |
Correct |
59 ms |
54908 KB |
Output is correct |
71 |
Correct |
58 ms |
55544 KB |
Output is correct |
72 |
Correct |
60 ms |
56056 KB |
Output is correct |
73 |
Correct |
53 ms |
51960 KB |
Output is correct |
74 |
Correct |
53 ms |
48632 KB |
Output is correct |
75 |
Correct |
56 ms |
53752 KB |
Output is correct |
76 |
Correct |
66 ms |
61560 KB |
Output is correct |
77 |
Correct |
65 ms |
61560 KB |
Output is correct |
78 |
Correct |
49 ms |
47584 KB |
Output is correct |
79 |
Correct |
52 ms |
49144 KB |
Output is correct |
80 |
Correct |
63 ms |
60280 KB |
Output is correct |
81 |
Correct |
51 ms |
49784 KB |
Output is correct |
82 |
Correct |
55 ms |
52600 KB |
Output is correct |
83 |
Correct |
68 ms |
63608 KB |
Output is correct |
84 |
Correct |
59 ms |
54904 KB |
Output is correct |
85 |
Correct |
64 ms |
59640 KB |
Output is correct |
86 |
Correct |
61 ms |
58488 KB |
Output is correct |
87 |
Correct |
59 ms |
53752 KB |
Output is correct |
88 |
Correct |
77 ms |
63864 KB |
Output is correct |
89 |
Correct |
71 ms |
63864 KB |
Output is correct |
90 |
Correct |
56 ms |
54264 KB |
Output is correct |
91 |
Correct |
69 ms |
63864 KB |
Output is correct |
92 |
Correct |
70 ms |
63864 KB |
Output is correct |
93 |
Correct |
69 ms |
63224 KB |
Output is correct |