#include <bits/stdc++.h>
using namespace std;
const int N = 205;
const long long INF = 1E18 + 7;
int n, l, cur, le, ri, ans = 0, x[N], d[N];
long long dst, dp[N][N][N][2];
void mini(long long &cur, long long tmp) {
if (tmp < cur) {
cur = tmp;
}
}
int main() {
ios_base::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 >> d[i];
}
n++;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
for (int k = 0; k < n; k++) {
dp[i][j][k][0] = dp[i][j][k][1] = INF;
}
}
}
dp[0][0][0][0] = 0;
for (int k = 0; k < n; k++) {
for (int len = 0; len < n; len++) {
for (int i = 0; i < n; i++) {
for (int t = 0; t < 2; t++) {
if (dp[i][len][k][t] == INF) {
continue;
}
cur = (t == 0 ? i : (i + len) % n);
le = (i + n - 1) % n;
ri = (i + len + 1) % n;
dst = min(l - abs(x[cur] - x[le]), abs(x[cur] - x[le])) + dp[i][len][k][t];
mini(dp[le][len + 1][k + (dst <= d[le])][0], dst);
dp[le][len + 1][k + (dst <= d[le])][0] = min(dp[le][len + 1][k + (dst <= d[le])][0], dst);
dst = min(l - abs(x[cur] - x[ri]), abs(x[cur] - x[ri])) + dp[i][len][k][t];
mini(dp[i][len + 1][k + (dst <= d[ri])][1], dst);
ans = max(ans, k);
}
}
}
}
cout << ans;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
504 KB |
Output is correct |
2 |
Correct |
5 ms |
504 KB |
Output is correct |
3 |
Correct |
5 ms |
632 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
632 KB |
Output is correct |
6 |
Correct |
5 ms |
1016 KB |
Output is correct |
7 |
Correct |
5 ms |
632 KB |
Output is correct |
8 |
Correct |
5 ms |
760 KB |
Output is correct |
9 |
Correct |
5 ms |
888 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 |
760 KB |
Output is correct |
13 |
Correct |
5 ms |
888 KB |
Output is correct |
14 |
Correct |
5 ms |
632 KB |
Output is correct |
15 |
Correct |
5 ms |
632 KB |
Output is correct |
16 |
Correct |
5 ms |
1016 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
504 KB |
Output is correct |
2 |
Correct |
5 ms |
504 KB |
Output is correct |
3 |
Correct |
5 ms |
632 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
632 KB |
Output is correct |
6 |
Correct |
5 ms |
1016 KB |
Output is correct |
7 |
Correct |
5 ms |
632 KB |
Output is correct |
8 |
Correct |
5 ms |
760 KB |
Output is correct |
9 |
Correct |
5 ms |
888 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 |
760 KB |
Output is correct |
13 |
Correct |
5 ms |
888 KB |
Output is correct |
14 |
Correct |
5 ms |
632 KB |
Output is correct |
15 |
Correct |
5 ms |
632 KB |
Output is correct |
16 |
Correct |
5 ms |
1016 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
5 ms |
1144 KB |
Output is correct |
19 |
Correct |
5 ms |
760 KB |
Output is correct |
20 |
Correct |
5 ms |
888 KB |
Output is correct |
21 |
Correct |
5 ms |
1144 KB |
Output is correct |
22 |
Correct |
5 ms |
760 KB |
Output is correct |
23 |
Correct |
5 ms |
1272 KB |
Output is correct |
24 |
Correct |
5 ms |
1016 KB |
Output is correct |
25 |
Correct |
5 ms |
1144 KB |
Output is correct |
26 |
Correct |
5 ms |
1144 KB |
Output is correct |
27 |
Correct |
5 ms |
636 KB |
Output is correct |
28 |
Correct |
5 ms |
632 KB |
Output is correct |
29 |
Correct |
5 ms |
1276 KB |
Output is correct |
30 |
Correct |
5 ms |
1272 KB |
Output is correct |
31 |
Correct |
5 ms |
1140 KB |
Output is correct |
32 |
Correct |
5 ms |
1016 KB |
Output is correct |
33 |
Correct |
5 ms |
1272 KB |
Output is correct |
34 |
Correct |
5 ms |
1272 KB |
Output is correct |
35 |
Correct |
5 ms |
1272 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
504 KB |
Output is correct |
2 |
Correct |
5 ms |
504 KB |
Output is correct |
3 |
Correct |
5 ms |
632 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
632 KB |
Output is correct |
6 |
Correct |
5 ms |
1016 KB |
Output is correct |
7 |
Correct |
5 ms |
632 KB |
Output is correct |
8 |
Correct |
5 ms |
760 KB |
Output is correct |
9 |
Correct |
5 ms |
888 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 |
760 KB |
Output is correct |
13 |
Correct |
5 ms |
888 KB |
Output is correct |
14 |
Correct |
5 ms |
632 KB |
Output is correct |
15 |
Correct |
5 ms |
632 KB |
Output is correct |
16 |
Correct |
5 ms |
1016 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
224 ms |
105492 KB |
Output is correct |
19 |
Correct |
106 ms |
63992 KB |
Output is correct |
20 |
Correct |
44 ms |
34296 KB |
Output is correct |
21 |
Correct |
93 ms |
60536 KB |
Output is correct |
22 |
Correct |
134 ms |
78328 KB |
Output is correct |
23 |
Correct |
41 ms |
29304 KB |
Output is correct |
24 |
Correct |
26 ms |
22904 KB |
Output is correct |
25 |
Correct |
40 ms |
28664 KB |
Output is correct |
26 |
Correct |
13 ms |
11000 KB |
Output is correct |
27 |
Correct |
42 ms |
29944 KB |
Output is correct |
28 |
Correct |
26 ms |
21240 KB |
Output is correct |
29 |
Correct |
41 ms |
30456 KB |
Output is correct |
30 |
Correct |
27 ms |
23928 KB |
Output is correct |
31 |
Correct |
38 ms |
28664 KB |
Output is correct |
32 |
Correct |
18 ms |
15096 KB |
Output is correct |
33 |
Correct |
36 ms |
28664 KB |
Output is correct |
34 |
Correct |
12 ms |
10360 KB |
Output is correct |
35 |
Correct |
31 ms |
27896 KB |
Output is correct |
36 |
Correct |
15 ms |
13432 KB |
Output is correct |
37 |
Correct |
35 ms |
29944 KB |
Output is correct |
38 |
Correct |
19 ms |
16376 KB |
Output is correct |
39 |
Correct |
34 ms |
31096 KB |
Output is correct |
40 |
Correct |
21 ms |
18296 KB |
Output is correct |
41 |
Correct |
331 ms |
129912 KB |
Output is correct |
42 |
Correct |
121 ms |
87544 KB |
Output is correct |
43 |
Correct |
327 ms |
129936 KB |
Output is correct |
44 |
Correct |
116 ms |
86264 KB |
Output is correct |
45 |
Correct |
334 ms |
130040 KB |
Output is correct |
46 |
Correct |
117 ms |
87288 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
504 KB |
Output is correct |
2 |
Correct |
5 ms |
504 KB |
Output is correct |
3 |
Correct |
5 ms |
632 KB |
Output is correct |
4 |
Correct |
5 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
632 KB |
Output is correct |
6 |
Correct |
5 ms |
1016 KB |
Output is correct |
7 |
Correct |
5 ms |
632 KB |
Output is correct |
8 |
Correct |
5 ms |
760 KB |
Output is correct |
9 |
Correct |
5 ms |
888 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 |
760 KB |
Output is correct |
13 |
Correct |
5 ms |
888 KB |
Output is correct |
14 |
Correct |
5 ms |
632 KB |
Output is correct |
15 |
Correct |
5 ms |
632 KB |
Output is correct |
16 |
Correct |
5 ms |
1016 KB |
Output is correct |
17 |
Correct |
5 ms |
888 KB |
Output is correct |
18 |
Correct |
5 ms |
1144 KB |
Output is correct |
19 |
Correct |
5 ms |
760 KB |
Output is correct |
20 |
Correct |
5 ms |
888 KB |
Output is correct |
21 |
Correct |
5 ms |
1144 KB |
Output is correct |
22 |
Correct |
5 ms |
760 KB |
Output is correct |
23 |
Correct |
5 ms |
1272 KB |
Output is correct |
24 |
Correct |
5 ms |
1016 KB |
Output is correct |
25 |
Correct |
5 ms |
1144 KB |
Output is correct |
26 |
Correct |
5 ms |
1144 KB |
Output is correct |
27 |
Correct |
5 ms |
636 KB |
Output is correct |
28 |
Correct |
5 ms |
632 KB |
Output is correct |
29 |
Correct |
5 ms |
1276 KB |
Output is correct |
30 |
Correct |
5 ms |
1272 KB |
Output is correct |
31 |
Correct |
5 ms |
1140 KB |
Output is correct |
32 |
Correct |
5 ms |
1016 KB |
Output is correct |
33 |
Correct |
5 ms |
1272 KB |
Output is correct |
34 |
Correct |
5 ms |
1272 KB |
Output is correct |
35 |
Correct |
5 ms |
1272 KB |
Output is correct |
36 |
Correct |
224 ms |
105492 KB |
Output is correct |
37 |
Correct |
106 ms |
63992 KB |
Output is correct |
38 |
Correct |
44 ms |
34296 KB |
Output is correct |
39 |
Correct |
93 ms |
60536 KB |
Output is correct |
40 |
Correct |
134 ms |
78328 KB |
Output is correct |
41 |
Correct |
41 ms |
29304 KB |
Output is correct |
42 |
Correct |
26 ms |
22904 KB |
Output is correct |
43 |
Correct |
40 ms |
28664 KB |
Output is correct |
44 |
Correct |
13 ms |
11000 KB |
Output is correct |
45 |
Correct |
42 ms |
29944 KB |
Output is correct |
46 |
Correct |
26 ms |
21240 KB |
Output is correct |
47 |
Correct |
41 ms |
30456 KB |
Output is correct |
48 |
Correct |
27 ms |
23928 KB |
Output is correct |
49 |
Correct |
38 ms |
28664 KB |
Output is correct |
50 |
Correct |
18 ms |
15096 KB |
Output is correct |
51 |
Correct |
36 ms |
28664 KB |
Output is correct |
52 |
Correct |
12 ms |
10360 KB |
Output is correct |
53 |
Correct |
31 ms |
27896 KB |
Output is correct |
54 |
Correct |
15 ms |
13432 KB |
Output is correct |
55 |
Correct |
35 ms |
29944 KB |
Output is correct |
56 |
Correct |
19 ms |
16376 KB |
Output is correct |
57 |
Correct |
34 ms |
31096 KB |
Output is correct |
58 |
Correct |
21 ms |
18296 KB |
Output is correct |
59 |
Correct |
331 ms |
129912 KB |
Output is correct |
60 |
Correct |
121 ms |
87544 KB |
Output is correct |
61 |
Correct |
327 ms |
129936 KB |
Output is correct |
62 |
Correct |
116 ms |
86264 KB |
Output is correct |
63 |
Correct |
334 ms |
130040 KB |
Output is correct |
64 |
Correct |
117 ms |
87288 KB |
Output is correct |
65 |
Correct |
282 ms |
117240 KB |
Output is correct |
66 |
Correct |
227 ms |
107820 KB |
Output is correct |
67 |
Correct |
196 ms |
103032 KB |
Output is correct |
68 |
Correct |
179 ms |
95096 KB |
Output is correct |
69 |
Correct |
262 ms |
116088 KB |
Output is correct |
70 |
Correct |
247 ms |
111480 KB |
Output is correct |
71 |
Correct |
226 ms |
112376 KB |
Output is correct |
72 |
Correct |
267 ms |
113916 KB |
Output is correct |
73 |
Correct |
185 ms |
105208 KB |
Output is correct |
74 |
Correct |
198 ms |
98936 KB |
Output is correct |
75 |
Correct |
224 ms |
108792 KB |
Output is correct |
76 |
Correct |
323 ms |
124920 KB |
Output is correct |
77 |
Correct |
307 ms |
124792 KB |
Output is correct |
78 |
Correct |
186 ms |
96376 KB |
Output is correct |
79 |
Correct |
187 ms |
99576 KB |
Output is correct |
80 |
Correct |
334 ms |
122616 KB |
Output is correct |
81 |
Correct |
188 ms |
100600 KB |
Output is correct |
82 |
Correct |
179 ms |
106360 KB |
Output is correct |
83 |
Correct |
341 ms |
129992 KB |
Output is correct |
84 |
Correct |
206 ms |
111096 KB |
Output is correct |
85 |
Correct |
249 ms |
120824 KB |
Output is correct |
86 |
Correct |
244 ms |
118520 KB |
Output is correct |
87 |
Correct |
216 ms |
108792 KB |
Output is correct |
88 |
Correct |
397 ms |
131576 KB |
Output is correct |
89 |
Correct |
332 ms |
131192 KB |
Output is correct |
90 |
Correct |
169 ms |
109688 KB |
Output is correct |
91 |
Correct |
379 ms |
131448 KB |
Output is correct |
92 |
Correct |
420 ms |
131200 KB |
Output is correct |
93 |
Correct |
235 ms |
128376 KB |
Output is correct |