#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<pair<ll,ll>> cad;
ll cost(ll a, ll b)
{
return abs(cad[a].first-cad[b].first);
}
int main()
{
ll n,l;
cin>>n>>l;
for(int i=0; i<n; i++)
{
ll temp;
cin>>temp;
cad.push_back({temp,0});
}
for(int i=0; i<n; i++)
{
ll temp;
cin>>temp;
cad[i].second=temp;
cad.push_back({-(l-cad[i].first),cad[i].second});
}
cad.push_back({0,0});
sort(cad.begin(),cad.end());
ll p=0;
for(int i=0; i<cad.size(); i++)
{
if(cad[i].first==0)
p=i;
}
vector<vector<vector<vector<ll>>>> dp(2,vector<vector<vector<ll>>>(n+1,vector<vector<ll>>(cad.size()+1,vector<ll>(cad.size()+1,1e15))));
dp[0][0][p][p]= 0;
dp[1][0][p][p]= 0;
ll bs=0;
for(int k=0; k<=n; k++)
{
for(int i=p; i>-1; i--)
{
for(int j=p; j<cad.size()-(p-i); j++)
{
dp[0][k][i][j] = min(min(dp[1][k][i+1][j] + cost(i,j),dp[0][k][i+1][j] + cost(i,i+1)),dp[0][k][i][j]);
dp[1][k][i][j] = min(min(dp[1][k][i][j-1] + cost(j,j-1),dp[0][k][i][j-1] + cost(i,j)),dp[1][k][i][j]);
if(k>0)
{
if(min(dp[1][k-1][i+1][j] + cost(i,j),dp[0][k-1][i+1][j] + cost(i,i+1))<=cad[i].second)
{
dp[0][k][i][j] = min(min(dp[1][k-1][i+1][j] + cost(i,j),dp[0][k-1][i+1][j] + cost(i,i+1)),dp[0][k][i][j]);
}
if(min(dp[1][k-1][i][j-1] + cost(j,j-1),dp[0][k-1][i][j-1] + cost(i,j))<=cad[j].second)
{
dp[1][k][i][j] = min(min(dp[1][k-1][i][j-1] + cost(j,j-1),dp[0][k-1][i][j-1] + cost(i,j)),dp[1][k][i][j]);
}
}
if(dp[0][k][i][j]!=1e15||dp[1][k][i][j]!=1e15) bs=k;
}
}
}
cout<<bs;
}
Compilation message
ho_t3.cpp: In function 'int main()':
ho_t3.cpp:29:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
29 | for(int i=0; i<cad.size(); i++)
| ~^~~~~~~~~~~
ho_t3.cpp:42:27: warning: comparison of integer expressions of different signedness: 'int' and 'long long unsigned int' [-Wsign-compare]
42 | for(int j=p; j<cad.size()-(p-i); j++)
| ~^~~~~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
1 ms |
600 KB |
Output is correct |
25 |
Correct |
1 ms |
604 KB |
Output is correct |
26 |
Correct |
1 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
344 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
1 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
1 ms |
860 KB |
Output is correct |
35 |
Correct |
1 ms |
860 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
321 ms |
556892 KB |
Output is correct |
19 |
Correct |
166 ms |
263268 KB |
Output is correct |
20 |
Correct |
68 ms |
102772 KB |
Output is correct |
21 |
Correct |
148 ms |
241536 KB |
Output is correct |
22 |
Correct |
215 ms |
356648 KB |
Output is correct |
23 |
Correct |
55 ms |
80724 KB |
Output is correct |
24 |
Correct |
38 ms |
55896 KB |
Output is correct |
25 |
Correct |
55 ms |
78160 KB |
Output is correct |
26 |
Correct |
14 ms |
18524 KB |
Output is correct |
27 |
Correct |
53 ms |
83124 KB |
Output is correct |
28 |
Correct |
34 ms |
50228 KB |
Output is correct |
29 |
Correct |
59 ms |
85840 KB |
Output is correct |
30 |
Correct |
39 ms |
59832 KB |
Output is correct |
31 |
Correct |
54 ms |
78296 KB |
Output is correct |
32 |
Correct |
25 ms |
29788 KB |
Output is correct |
33 |
Correct |
54 ms |
78072 KB |
Output is correct |
34 |
Correct |
12 ms |
16728 KB |
Output is correct |
35 |
Correct |
52 ms |
75600 KB |
Output is correct |
36 |
Correct |
18 ms |
24992 KB |
Output is correct |
37 |
Correct |
54 ms |
83228 KB |
Output is correct |
38 |
Correct |
26 ms |
34136 KB |
Output is correct |
39 |
Correct |
67 ms |
88660 KB |
Output is correct |
40 |
Correct |
31 ms |
39740 KB |
Output is correct |
41 |
Correct |
448 ms |
762568 KB |
Output is correct |
42 |
Correct |
256 ms |
421944 KB |
Output is correct |
43 |
Correct |
424 ms |
762572 KB |
Output is correct |
44 |
Correct |
242 ms |
414208 KB |
Output is correct |
45 |
Correct |
442 ms |
762704 KB |
Output is correct |
46 |
Correct |
256 ms |
421784 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
604 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
604 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
1 ms |
604 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
604 KB |
Output is correct |
16 |
Correct |
1 ms |
604 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
1 ms |
604 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
604 KB |
Output is correct |
21 |
Correct |
1 ms |
604 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
1 ms |
860 KB |
Output is correct |
24 |
Correct |
1 ms |
600 KB |
Output is correct |
25 |
Correct |
1 ms |
604 KB |
Output is correct |
26 |
Correct |
1 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
1 ms |
344 KB |
Output is correct |
29 |
Correct |
1 ms |
860 KB |
Output is correct |
30 |
Correct |
1 ms |
860 KB |
Output is correct |
31 |
Correct |
1 ms |
604 KB |
Output is correct |
32 |
Correct |
1 ms |
604 KB |
Output is correct |
33 |
Correct |
1 ms |
860 KB |
Output is correct |
34 |
Correct |
1 ms |
860 KB |
Output is correct |
35 |
Correct |
1 ms |
860 KB |
Output is correct |
36 |
Correct |
321 ms |
556892 KB |
Output is correct |
37 |
Correct |
166 ms |
263268 KB |
Output is correct |
38 |
Correct |
68 ms |
102772 KB |
Output is correct |
39 |
Correct |
148 ms |
241536 KB |
Output is correct |
40 |
Correct |
215 ms |
356648 KB |
Output is correct |
41 |
Correct |
55 ms |
80724 KB |
Output is correct |
42 |
Correct |
38 ms |
55896 KB |
Output is correct |
43 |
Correct |
55 ms |
78160 KB |
Output is correct |
44 |
Correct |
14 ms |
18524 KB |
Output is correct |
45 |
Correct |
53 ms |
83124 KB |
Output is correct |
46 |
Correct |
34 ms |
50228 KB |
Output is correct |
47 |
Correct |
59 ms |
85840 KB |
Output is correct |
48 |
Correct |
39 ms |
59832 KB |
Output is correct |
49 |
Correct |
54 ms |
78296 KB |
Output is correct |
50 |
Correct |
25 ms |
29788 KB |
Output is correct |
51 |
Correct |
54 ms |
78072 KB |
Output is correct |
52 |
Correct |
12 ms |
16728 KB |
Output is correct |
53 |
Correct |
52 ms |
75600 KB |
Output is correct |
54 |
Correct |
18 ms |
24992 KB |
Output is correct |
55 |
Correct |
54 ms |
83228 KB |
Output is correct |
56 |
Correct |
26 ms |
34136 KB |
Output is correct |
57 |
Correct |
67 ms |
88660 KB |
Output is correct |
58 |
Correct |
31 ms |
39740 KB |
Output is correct |
59 |
Correct |
448 ms |
762568 KB |
Output is correct |
60 |
Correct |
256 ms |
421944 KB |
Output is correct |
61 |
Correct |
424 ms |
762572 KB |
Output is correct |
62 |
Correct |
242 ms |
414208 KB |
Output is correct |
63 |
Correct |
442 ms |
762704 KB |
Output is correct |
64 |
Correct |
256 ms |
421784 KB |
Output is correct |
65 |
Correct |
369 ms |
654172 KB |
Output is correct |
66 |
Correct |
331 ms |
575512 KB |
Output is correct |
67 |
Correct |
320 ms |
538448 KB |
Output is correct |
68 |
Correct |
280 ms |
477800 KB |
Output is correct |
69 |
Correct |
367 ms |
643920 KB |
Output is correct |
70 |
Correct |
353 ms |
604128 KB |
Output is correct |
71 |
Correct |
347 ms |
614112 KB |
Output is correct |
72 |
Correct |
358 ms |
624012 KB |
Output is correct |
73 |
Correct |
329 ms |
556880 KB |
Output is correct |
74 |
Correct |
297 ms |
503512 KB |
Output is correct |
75 |
Correct |
332 ms |
585220 KB |
Output is correct |
76 |
Correct |
405 ms |
717984 KB |
Output is correct |
77 |
Correct |
407 ms |
717960 KB |
Output is correct |
78 |
Correct |
284 ms |
486480 KB |
Output is correct |
79 |
Correct |
297 ms |
511976 KB |
Output is correct |
80 |
Correct |
393 ms |
696376 KB |
Output is correct |
81 |
Correct |
303 ms |
520756 KB |
Output is correct |
82 |
Correct |
323 ms |
566016 KB |
Output is correct |
83 |
Correct |
422 ms |
762452 KB |
Output is correct |
84 |
Correct |
347 ms |
604496 KB |
Output is correct |
85 |
Correct |
383 ms |
685648 KB |
Output is correct |
86 |
Correct |
376 ms |
664524 KB |
Output is correct |
87 |
Correct |
333 ms |
585040 KB |
Output is correct |
88 |
Correct |
428 ms |
774004 KB |
Output is correct |
89 |
Correct |
438 ms |
774424 KB |
Output is correct |
90 |
Correct |
339 ms |
594516 KB |
Output is correct |
91 |
Correct |
437 ms |
774172 KB |
Output is correct |
92 |
Correct |
436 ms |
773852 KB |
Output is correct |
93 |
Correct |
425 ms |
751204 KB |
Output is correct |