#include <bits/stdc++.h>
using namespace std;
int main()
{
int N, L;
cin >> N >> L;
vector<pair<int, int>> Tab(N);
for (int i = 0; i < N; i++)
cin >> Tab[i].first;
for (int i = 0; i < N; i++)
cin >> Tab[i].second;
sort(Tab.begin(), Tab.end());
vector<vector<vector<vector<int>>>> dp(N, vector<vector<vector<int>>>(N, vector<vector<int>>(N + 2, vector<int>(2, 1234567890))));
int maxx = 0;
dp[0][0][(Tab[0].first <= Tab[0].second) ? 1 : 0][0] = Tab[0].first;
dp[N - 1][N - 1][(L - Tab[N - 1].first <= Tab[N - 1].second) ? 1 : 0][1] = L - Tab[N - 1].first;
for (int i = 0; i < N; i++)
{
for (int left = 0; left < N; left++)
{
int right = (left + N - i) % N;
for (int nb = 0; nb <= N; nb++)
{
if (nb > i + 1)
continue;
if (min(dp[left][right][nb][0], dp[left][right][nb][1]) == 1234567890)
continue;
maxx = max(maxx, nb);
int next = (left + 1) % N, dist = (Tab[left].first < Tab[next].first) ? Tab[next].first - Tab[left].first : Tab[next].first + L - Tab[left].first;
dp[next][right][(dp[left][right][nb][0] + dist > Tab[next].second) ? nb : nb + 1][0] = min(dp[left][right][nb][0] + dist, dp[next][right][(dp[left][right][nb][0] + dist > Tab[next].second) ? nb : nb + 1][0]);
next = (left + 1) % N, dist = (Tab[right].first < Tab[next].first) ? Tab[next].first - Tab[right].first : Tab[next].first + L - Tab[right].first;
dp[next][right][(dp[left][right][nb][1] + dist > Tab[next].second) ? nb : nb + 1][0] = min(dp[left][right][nb][1] + dist, dp[next][right][(dp[left][right][nb][1] + dist > Tab[next].second) ? nb : nb + 1][0]);
next = (right - 1 + N) % N, dist = (Tab[right].first > Tab[next].first) ? Tab[right].first - Tab[next].first : Tab[right].first + L - Tab[next].first;
dp[left][next][(dp[left][right][nb][1] + dist > Tab[next].second) ? nb : nb + 1][1] = min(dp[left][right][nb][1] + dist, dp[left][next][(dp[left][right][nb][1] + dist > Tab[next].second) ? nb : nb + 1][1]);
next = (right - 1 + N) % N, dist = (Tab[left].first > Tab[next].first) ? Tab[left].first - Tab[next].first : Tab[left].first + L - Tab[next].first;
dp[left][next][(dp[left][right][nb][0] + dist > Tab[next].second) ? nb : nb + 1][1] = min(dp[left][right][nb][0] + dist, dp[left][next][(dp[left][right][nb][0] + dist > Tab[next].second) ? nb : nb + 1][1]);
}
}
}
cout << maxx;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Incorrect |
0 ms |
516 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
459 ms |
320992 KB |
Output is correct |
19 |
Correct |
161 ms |
151376 KB |
Output is correct |
20 |
Correct |
65 ms |
58708 KB |
Output is correct |
21 |
Correct |
148 ms |
138792 KB |
Output is correct |
22 |
Correct |
226 ms |
205396 KB |
Output is correct |
23 |
Correct |
51 ms |
46204 KB |
Output is correct |
24 |
Correct |
36 ms |
31928 KB |
Output is correct |
25 |
Correct |
52 ms |
44632 KB |
Output is correct |
26 |
Correct |
11 ms |
10584 KB |
Output is correct |
27 |
Correct |
52 ms |
47708 KB |
Output is correct |
28 |
Correct |
33 ms |
28508 KB |
Output is correct |
29 |
Correct |
55 ms |
48976 KB |
Output is correct |
30 |
Correct |
38 ms |
34136 KB |
Output is correct |
31 |
Correct |
51 ms |
44624 KB |
Output is correct |
32 |
Correct |
18 ms |
16988 KB |
Output is correct |
33 |
Correct |
50 ms |
44760 KB |
Output is correct |
34 |
Correct |
9 ms |
9564 KB |
Output is correct |
35 |
Correct |
48 ms |
43340 KB |
Output is correct |
36 |
Correct |
15 ms |
14048 KB |
Output is correct |
37 |
Correct |
56 ms |
47744 KB |
Output is correct |
38 |
Correct |
20 ms |
19292 KB |
Output is correct |
39 |
Correct |
57 ms |
50556 KB |
Output is correct |
40 |
Correct |
25 ms |
22616 KB |
Output is correct |
41 |
Correct |
528 ms |
440116 KB |
Output is correct |
42 |
Correct |
332 ms |
242772 KB |
Output is correct |
43 |
Correct |
525 ms |
440136 KB |
Output is correct |
44 |
Correct |
258 ms |
238672 KB |
Output is correct |
45 |
Correct |
475 ms |
440228 KB |
Output is correct |
46 |
Correct |
261 ms |
242808 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Incorrect |
0 ms |
516 KB |
Output isn't correct |
20 |
Halted |
0 ms |
0 KB |
- |