#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF=1e14;
ll n,l,x[205],t[205],dist[205][205],dp[205][205][205][2],ans;
int main()
{
ios_base::sync_with_stdio(false);
cin.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];
for(int i=0;i<=n+1;i++)
for(int j=0;j<=n+1;j++)
{
dist[i][j]=abs(x[i]-x[j]);
dist[i][j]=min(dist[i][j],l-dist[i][j]);
}
for(int i=0;i<=n;i++)
for(int j=0;j+i<=n;j++)
{
for(int take=0;take<=n;take++)
{
dp[i][j][take][0]=dp[i][j][take][1]=INF;
if(i==0&&j==0&&take==0)
{
dp[i][j][take][0]=dp[i][j][take][1]=0;
continue;
}
if(i-1>=0)
{
ll val=INF;
val=min(val,dp[i-1][j][take][0]+dist[i][i-1]);
val=min(val,dp[i-1][j][take][1]+dist[i][n-j+1]);
if(take>0)
{
if(dp[i-1][j][take-1][0]+dist[i][i-1]<=t[i])
val=min(val,dp[i-1][j][take-1][0]+dist[i][i-1]);
if(dp[i-1][j][take-1][1]+dist[i][n-j+1]<=t[i])
val=min(val,dp[i-1][j][take-1][1]+dist[i][n-j+1]);
}
dp[i][j][take][0]=val;
}
if(j-1>=0)
{
ll val=INF;
val=min(val,dp[i][j-1][take][0]+dist[i][n-j+1]);
val=min(val,dp[i][j-1][take][1]+dist[n-(j-1)+1][n-j+1]);
if(take>0)
{
if(dp[i][j-1][take-1][0]+dist[i][n-j+1]<=t[n-j+1])
val=min(val,dp[i][j-1][take-1][0]+dist[i][n-j+1]);
if(dp[i][j-1][take-1][1]+dist[n-(j-1)+1][n-j+1]<=t[n-j+1])
val=min(val,dp[i][j-1][take-1][1]+dist[n-(j-1)+1][n-j+1]);
}
dp[i][j][take][1]=val;
}
if(min(dp[i][j][take][1],dp[i][j][take][0])<INF)
ans=max(ans,1LL*take);
}
}
cout<<ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
452 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
452 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
18 |
Correct |
1 ms |
724 KB |
Output is correct |
19 |
Correct |
1 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
21 |
Correct |
1 ms |
712 KB |
Output is correct |
22 |
Correct |
1 ms |
468 KB |
Output is correct |
23 |
Correct |
1 ms |
724 KB |
Output is correct |
24 |
Correct |
1 ms |
596 KB |
Output is correct |
25 |
Correct |
1 ms |
724 KB |
Output is correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
468 KB |
Output is correct |
28 |
Correct |
1 ms |
468 KB |
Output is correct |
29 |
Correct |
1 ms |
724 KB |
Output is correct |
30 |
Correct |
1 ms |
724 KB |
Output is correct |
31 |
Correct |
1 ms |
724 KB |
Output is correct |
32 |
Correct |
1 ms |
596 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
1 ms |
724 KB |
Output is correct |
35 |
Correct |
1 ms |
724 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
452 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
18 |
Correct |
38 ms |
53580 KB |
Output is correct |
19 |
Correct |
21 ms |
32712 KB |
Output is correct |
20 |
Correct |
11 ms |
17596 KB |
Output is correct |
21 |
Correct |
21 ms |
30908 KB |
Output is correct |
22 |
Correct |
29 ms |
39936 KB |
Output is correct |
23 |
Correct |
9 ms |
15060 KB |
Output is correct |
24 |
Correct |
7 ms |
11860 KB |
Output is correct |
25 |
Correct |
12 ms |
14744 KB |
Output is correct |
26 |
Correct |
4 ms |
5844 KB |
Output is correct |
27 |
Correct |
11 ms |
15304 KB |
Output is correct |
28 |
Correct |
6 ms |
11092 KB |
Output is correct |
29 |
Correct |
9 ms |
15684 KB |
Output is correct |
30 |
Correct |
7 ms |
12392 KB |
Output is correct |
31 |
Correct |
8 ms |
14804 KB |
Output is correct |
32 |
Correct |
4 ms |
7892 KB |
Output is correct |
33 |
Correct |
12 ms |
14692 KB |
Output is correct |
34 |
Correct |
4 ms |
5460 KB |
Output is correct |
35 |
Correct |
8 ms |
14384 KB |
Output is correct |
36 |
Correct |
4 ms |
7020 KB |
Output is correct |
37 |
Correct |
9 ms |
15316 KB |
Output is correct |
38 |
Correct |
5 ms |
8532 KB |
Output is correct |
39 |
Correct |
9 ms |
15956 KB |
Output is correct |
40 |
Correct |
5 ms |
9572 KB |
Output is correct |
41 |
Correct |
51 ms |
65984 KB |
Output is correct |
42 |
Correct |
28 ms |
44632 KB |
Output is correct |
43 |
Correct |
49 ms |
66044 KB |
Output is correct |
44 |
Correct |
28 ms |
44060 KB |
Output is correct |
45 |
Correct |
48 ms |
66020 KB |
Output is correct |
46 |
Correct |
31 ms |
44660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
460 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
468 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
1 ms |
468 KB |
Output is correct |
9 |
Correct |
1 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
596 KB |
Output is correct |
13 |
Correct |
1 ms |
596 KB |
Output is correct |
14 |
Correct |
1 ms |
456 KB |
Output is correct |
15 |
Correct |
1 ms |
452 KB |
Output is correct |
16 |
Correct |
1 ms |
596 KB |
Output is correct |
17 |
Correct |
1 ms |
596 KB |
Output is correct |
18 |
Correct |
1 ms |
724 KB |
Output is correct |
19 |
Correct |
1 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
596 KB |
Output is correct |
21 |
Correct |
1 ms |
712 KB |
Output is correct |
22 |
Correct |
1 ms |
468 KB |
Output is correct |
23 |
Correct |
1 ms |
724 KB |
Output is correct |
24 |
Correct |
1 ms |
596 KB |
Output is correct |
25 |
Correct |
1 ms |
724 KB |
Output is correct |
26 |
Correct |
1 ms |
724 KB |
Output is correct |
27 |
Correct |
1 ms |
468 KB |
Output is correct |
28 |
Correct |
1 ms |
468 KB |
Output is correct |
29 |
Correct |
1 ms |
724 KB |
Output is correct |
30 |
Correct |
1 ms |
724 KB |
Output is correct |
31 |
Correct |
1 ms |
724 KB |
Output is correct |
32 |
Correct |
1 ms |
596 KB |
Output is correct |
33 |
Correct |
1 ms |
724 KB |
Output is correct |
34 |
Correct |
1 ms |
724 KB |
Output is correct |
35 |
Correct |
1 ms |
724 KB |
Output is correct |
36 |
Correct |
38 ms |
53580 KB |
Output is correct |
37 |
Correct |
21 ms |
32712 KB |
Output is correct |
38 |
Correct |
11 ms |
17596 KB |
Output is correct |
39 |
Correct |
21 ms |
30908 KB |
Output is correct |
40 |
Correct |
29 ms |
39936 KB |
Output is correct |
41 |
Correct |
9 ms |
15060 KB |
Output is correct |
42 |
Correct |
7 ms |
11860 KB |
Output is correct |
43 |
Correct |
12 ms |
14744 KB |
Output is correct |
44 |
Correct |
4 ms |
5844 KB |
Output is correct |
45 |
Correct |
11 ms |
15304 KB |
Output is correct |
46 |
Correct |
6 ms |
11092 KB |
Output is correct |
47 |
Correct |
9 ms |
15684 KB |
Output is correct |
48 |
Correct |
7 ms |
12392 KB |
Output is correct |
49 |
Correct |
8 ms |
14804 KB |
Output is correct |
50 |
Correct |
4 ms |
7892 KB |
Output is correct |
51 |
Correct |
12 ms |
14692 KB |
Output is correct |
52 |
Correct |
4 ms |
5460 KB |
Output is correct |
53 |
Correct |
8 ms |
14384 KB |
Output is correct |
54 |
Correct |
4 ms |
7020 KB |
Output is correct |
55 |
Correct |
9 ms |
15316 KB |
Output is correct |
56 |
Correct |
5 ms |
8532 KB |
Output is correct |
57 |
Correct |
9 ms |
15956 KB |
Output is correct |
58 |
Correct |
5 ms |
9572 KB |
Output is correct |
59 |
Correct |
51 ms |
65984 KB |
Output is correct |
60 |
Correct |
28 ms |
44632 KB |
Output is correct |
61 |
Correct |
49 ms |
66044 KB |
Output is correct |
62 |
Correct |
28 ms |
44060 KB |
Output is correct |
63 |
Correct |
48 ms |
66020 KB |
Output is correct |
64 |
Correct |
31 ms |
44660 KB |
Output is correct |
65 |
Correct |
50 ms |
59652 KB |
Output is correct |
66 |
Correct |
39 ms |
54796 KB |
Output is correct |
67 |
Correct |
45 ms |
52516 KB |
Output is correct |
68 |
Correct |
32 ms |
48412 KB |
Output is correct |
69 |
Correct |
43 ms |
58972 KB |
Output is correct |
70 |
Correct |
41 ms |
56620 KB |
Output is correct |
71 |
Correct |
41 ms |
57148 KB |
Output is correct |
72 |
Correct |
44 ms |
57804 KB |
Output is correct |
73 |
Correct |
39 ms |
53580 KB |
Output is correct |
74 |
Correct |
35 ms |
50092 KB |
Output is correct |
75 |
Correct |
40 ms |
55372 KB |
Output is correct |
76 |
Correct |
46 ms |
63428 KB |
Output is correct |
77 |
Correct |
45 ms |
63436 KB |
Output is correct |
78 |
Correct |
36 ms |
48996 KB |
Output is correct |
79 |
Correct |
34 ms |
50672 KB |
Output is correct |
80 |
Correct |
47 ms |
62172 KB |
Output is correct |
81 |
Correct |
37 ms |
51324 KB |
Output is correct |
82 |
Correct |
37 ms |
54220 KB |
Output is correct |
83 |
Correct |
47 ms |
66012 KB |
Output is correct |
84 |
Correct |
40 ms |
56540 KB |
Output is correct |
85 |
Correct |
43 ms |
61556 KB |
Output is correct |
86 |
Correct |
42 ms |
60232 KB |
Output is correct |
87 |
Correct |
38 ms |
55320 KB |
Output is correct |
88 |
Correct |
55 ms |
66728 KB |
Output is correct |
89 |
Correct |
49 ms |
66624 KB |
Output is correct |
90 |
Correct |
38 ms |
55996 KB |
Output is correct |
91 |
Correct |
48 ms |
66636 KB |
Output is correct |
92 |
Correct |
51 ms |
66664 KB |
Output is correct |
93 |
Correct |
47 ms |
65356 KB |
Output is correct |