#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define fs first
#define sc second
const ll mxn = 202;
ll dp[mxn][mxn][mxn][2];
bool done[mxn][mxn][mxn][2];
pll arr[mxn];
priority_queue<tuple<ll,ll,ll,ll,ll>,vector<tuple<ll,ll,ll,ll,ll>>,greater<tuple<ll,ll,ll,ll,ll>>> pq;
ll n,L;
const ll inf = 1e9+10;
ll calc(ll s,ll e,ll dir){
if(dir){
return (e+L-s)%(L);
}
else{
return L-(e+L-s)%L;
}
}
void solve(){
cin>>n>>L;
for(int i = 1;i<=n;i++)cin>>arr[i].fs;
for(int i = 1;i<=n;i++)cin>>arr[i].sc;
for(auto &i:dp)for(auto &j:i)for(auto &k:j)for(auto &l:k)l = inf;
arr[0] = {0,0};
dp[0][0][0][0] = 0;
pq.push(make_tuple(0,0,0,0,0));
ll ans = 0;
while(!pq.empty()){
ll val = get<0>(pq.top()),l = get<1>(pq.top()),r = get<2>(pq.top());
ll cnt = get<3>(pq.top()),dir = get<4>(pq.top());
//cout<<val<<' '<<l<<' '<<r<<' '<<cnt<<' '<<dir<<endl;
pq.pop();
if(dp[l][r][cnt][dir] != val)continue;
if((r+1)%(n+1) == l){
ans = max(ans,cnt);
continue;
}
ll pos = (dir?arr[r].fs:arr[l].fs);
int nr = r+1;
if(nr>=n+1)nr -= n+1;
int nl = l-1;
if(nl<0)nl += n+1;
ll rt = val+calc(pos,arr[nr].fs,1);
ll rcnt = cnt + (rt<=arr[nr].sc?1:0);
if(dp[l][nr][rcnt][1] > rt)pq.push(make_tuple(rt,l,nr,rcnt,1)),dp[l][nr][rcnt][1] = rt;
ll lt = val+calc(pos,arr[nl].fs,0);
ll lcnt = cnt+(lt<=arr[nl].sc?1:0);
//cout<<l<<','<<r<<','<<dir<<','<<pos<<lt<<','<<lcnt<<','<<','<<nl<<endl;
if(dp[nl][r][lcnt][0] > lt)pq.push(make_tuple(lt,nl,r,lcnt,0)),dp[nl][r][lcnt][0] = lt;
}
cout<<ans;
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int t = 1;
while(t--)solve();
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
51 ms |
129228 KB |
Output is correct |
2 |
Correct |
51 ms |
129228 KB |
Output is correct |
3 |
Correct |
52 ms |
129268 KB |
Output is correct |
4 |
Correct |
51 ms |
129228 KB |
Output is correct |
5 |
Correct |
52 ms |
129264 KB |
Output is correct |
6 |
Correct |
63 ms |
129300 KB |
Output is correct |
7 |
Correct |
53 ms |
129252 KB |
Output is correct |
8 |
Correct |
52 ms |
129292 KB |
Output is correct |
9 |
Correct |
51 ms |
129356 KB |
Output is correct |
10 |
Correct |
51 ms |
129348 KB |
Output is correct |
11 |
Correct |
52 ms |
129376 KB |
Output is correct |
12 |
Correct |
54 ms |
129308 KB |
Output is correct |
13 |
Correct |
53 ms |
129356 KB |
Output is correct |
14 |
Correct |
55 ms |
129228 KB |
Output is correct |
15 |
Correct |
53 ms |
129356 KB |
Output is correct |
16 |
Correct |
52 ms |
129228 KB |
Output is correct |
17 |
Correct |
51 ms |
129332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
51 ms |
129228 KB |
Output is correct |
2 |
Correct |
51 ms |
129228 KB |
Output is correct |
3 |
Correct |
52 ms |
129268 KB |
Output is correct |
4 |
Correct |
51 ms |
129228 KB |
Output is correct |
5 |
Correct |
52 ms |
129264 KB |
Output is correct |
6 |
Correct |
63 ms |
129300 KB |
Output is correct |
7 |
Correct |
53 ms |
129252 KB |
Output is correct |
8 |
Correct |
52 ms |
129292 KB |
Output is correct |
9 |
Correct |
51 ms |
129356 KB |
Output is correct |
10 |
Correct |
51 ms |
129348 KB |
Output is correct |
11 |
Correct |
52 ms |
129376 KB |
Output is correct |
12 |
Correct |
54 ms |
129308 KB |
Output is correct |
13 |
Correct |
53 ms |
129356 KB |
Output is correct |
14 |
Correct |
55 ms |
129228 KB |
Output is correct |
15 |
Correct |
53 ms |
129356 KB |
Output is correct |
16 |
Correct |
52 ms |
129228 KB |
Output is correct |
17 |
Correct |
51 ms |
129332 KB |
Output is correct |
18 |
Correct |
54 ms |
129280 KB |
Output is correct |
19 |
Correct |
51 ms |
129284 KB |
Output is correct |
20 |
Correct |
51 ms |
129344 KB |
Output is correct |
21 |
Correct |
51 ms |
129344 KB |
Output is correct |
22 |
Correct |
51 ms |
129356 KB |
Output is correct |
23 |
Correct |
52 ms |
129332 KB |
Output is correct |
24 |
Correct |
53 ms |
129344 KB |
Output is correct |
25 |
Correct |
55 ms |
129356 KB |
Output is correct |
26 |
Correct |
66 ms |
129340 KB |
Output is correct |
27 |
Correct |
52 ms |
129280 KB |
Output is correct |
28 |
Correct |
58 ms |
129264 KB |
Output is correct |
29 |
Correct |
53 ms |
129224 KB |
Output is correct |
30 |
Correct |
52 ms |
129228 KB |
Output is correct |
31 |
Correct |
52 ms |
129320 KB |
Output is correct |
32 |
Correct |
55 ms |
129300 KB |
Output is correct |
33 |
Correct |
52 ms |
129368 KB |
Output is correct |
34 |
Correct |
55 ms |
129360 KB |
Output is correct |
35 |
Correct |
54 ms |
129280 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
51 ms |
129228 KB |
Output is correct |
2 |
Correct |
51 ms |
129228 KB |
Output is correct |
3 |
Correct |
52 ms |
129268 KB |
Output is correct |
4 |
Correct |
51 ms |
129228 KB |
Output is correct |
5 |
Correct |
52 ms |
129264 KB |
Output is correct |
6 |
Correct |
63 ms |
129300 KB |
Output is correct |
7 |
Correct |
53 ms |
129252 KB |
Output is correct |
8 |
Correct |
52 ms |
129292 KB |
Output is correct |
9 |
Correct |
51 ms |
129356 KB |
Output is correct |
10 |
Correct |
51 ms |
129348 KB |
Output is correct |
11 |
Correct |
52 ms |
129376 KB |
Output is correct |
12 |
Correct |
54 ms |
129308 KB |
Output is correct |
13 |
Correct |
53 ms |
129356 KB |
Output is correct |
14 |
Correct |
55 ms |
129228 KB |
Output is correct |
15 |
Correct |
53 ms |
129356 KB |
Output is correct |
16 |
Correct |
52 ms |
129228 KB |
Output is correct |
17 |
Correct |
51 ms |
129332 KB |
Output is correct |
18 |
Correct |
992 ms |
150036 KB |
Output is correct |
19 |
Correct |
456 ms |
139696 KB |
Output is correct |
20 |
Correct |
158 ms |
134544 KB |
Output is correct |
21 |
Correct |
368 ms |
139752 KB |
Output is correct |
22 |
Correct |
732 ms |
150136 KB |
Output is correct |
23 |
Correct |
176 ms |
134632 KB |
Output is correct |
24 |
Correct |
87 ms |
131944 KB |
Output is correct |
25 |
Correct |
155 ms |
134544 KB |
Output is correct |
26 |
Correct |
64 ms |
130056 KB |
Output is correct |
27 |
Correct |
178 ms |
134532 KB |
Output is correct |
28 |
Correct |
81 ms |
132032 KB |
Output is correct |
29 |
Correct |
161 ms |
134560 KB |
Output is correct |
30 |
Correct |
89 ms |
132012 KB |
Output is correct |
31 |
Correct |
150 ms |
134660 KB |
Output is correct |
32 |
Correct |
84 ms |
130684 KB |
Output is correct |
33 |
Correct |
146 ms |
132172 KB |
Output is correct |
34 |
Correct |
61 ms |
130740 KB |
Output is correct |
35 |
Correct |
72 ms |
130088 KB |
Output is correct |
36 |
Correct |
66 ms |
130704 KB |
Output is correct |
37 |
Correct |
78 ms |
130676 KB |
Output is correct |
38 |
Correct |
84 ms |
130668 KB |
Output is correct |
39 |
Correct |
80 ms |
130740 KB |
Output is correct |
40 |
Correct |
71 ms |
130676 KB |
Output is correct |
41 |
Correct |
1664 ms |
170568 KB |
Output is correct |
42 |
Correct |
60 ms |
130016 KB |
Output is correct |
43 |
Correct |
1739 ms |
170428 KB |
Output is correct |
44 |
Correct |
63 ms |
129808 KB |
Output is correct |
45 |
Correct |
1726 ms |
170512 KB |
Output is correct |
46 |
Correct |
60 ms |
130056 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
51 ms |
129228 KB |
Output is correct |
2 |
Correct |
51 ms |
129228 KB |
Output is correct |
3 |
Correct |
52 ms |
129268 KB |
Output is correct |
4 |
Correct |
51 ms |
129228 KB |
Output is correct |
5 |
Correct |
52 ms |
129264 KB |
Output is correct |
6 |
Correct |
63 ms |
129300 KB |
Output is correct |
7 |
Correct |
53 ms |
129252 KB |
Output is correct |
8 |
Correct |
52 ms |
129292 KB |
Output is correct |
9 |
Correct |
51 ms |
129356 KB |
Output is correct |
10 |
Correct |
51 ms |
129348 KB |
Output is correct |
11 |
Correct |
52 ms |
129376 KB |
Output is correct |
12 |
Correct |
54 ms |
129308 KB |
Output is correct |
13 |
Correct |
53 ms |
129356 KB |
Output is correct |
14 |
Correct |
55 ms |
129228 KB |
Output is correct |
15 |
Correct |
53 ms |
129356 KB |
Output is correct |
16 |
Correct |
52 ms |
129228 KB |
Output is correct |
17 |
Correct |
51 ms |
129332 KB |
Output is correct |
18 |
Correct |
54 ms |
129280 KB |
Output is correct |
19 |
Correct |
51 ms |
129284 KB |
Output is correct |
20 |
Correct |
51 ms |
129344 KB |
Output is correct |
21 |
Correct |
51 ms |
129344 KB |
Output is correct |
22 |
Correct |
51 ms |
129356 KB |
Output is correct |
23 |
Correct |
52 ms |
129332 KB |
Output is correct |
24 |
Correct |
53 ms |
129344 KB |
Output is correct |
25 |
Correct |
55 ms |
129356 KB |
Output is correct |
26 |
Correct |
66 ms |
129340 KB |
Output is correct |
27 |
Correct |
52 ms |
129280 KB |
Output is correct |
28 |
Correct |
58 ms |
129264 KB |
Output is correct |
29 |
Correct |
53 ms |
129224 KB |
Output is correct |
30 |
Correct |
52 ms |
129228 KB |
Output is correct |
31 |
Correct |
52 ms |
129320 KB |
Output is correct |
32 |
Correct |
55 ms |
129300 KB |
Output is correct |
33 |
Correct |
52 ms |
129368 KB |
Output is correct |
34 |
Correct |
55 ms |
129360 KB |
Output is correct |
35 |
Correct |
54 ms |
129280 KB |
Output is correct |
36 |
Correct |
992 ms |
150036 KB |
Output is correct |
37 |
Correct |
456 ms |
139696 KB |
Output is correct |
38 |
Correct |
158 ms |
134544 KB |
Output is correct |
39 |
Correct |
368 ms |
139752 KB |
Output is correct |
40 |
Correct |
732 ms |
150136 KB |
Output is correct |
41 |
Correct |
176 ms |
134632 KB |
Output is correct |
42 |
Correct |
87 ms |
131944 KB |
Output is correct |
43 |
Correct |
155 ms |
134544 KB |
Output is correct |
44 |
Correct |
64 ms |
130056 KB |
Output is correct |
45 |
Correct |
178 ms |
134532 KB |
Output is correct |
46 |
Correct |
81 ms |
132032 KB |
Output is correct |
47 |
Correct |
161 ms |
134560 KB |
Output is correct |
48 |
Correct |
89 ms |
132012 KB |
Output is correct |
49 |
Correct |
150 ms |
134660 KB |
Output is correct |
50 |
Correct |
84 ms |
130684 KB |
Output is correct |
51 |
Correct |
146 ms |
132172 KB |
Output is correct |
52 |
Correct |
61 ms |
130740 KB |
Output is correct |
53 |
Correct |
72 ms |
130088 KB |
Output is correct |
54 |
Correct |
66 ms |
130704 KB |
Output is correct |
55 |
Correct |
78 ms |
130676 KB |
Output is correct |
56 |
Correct |
84 ms |
130668 KB |
Output is correct |
57 |
Correct |
80 ms |
130740 KB |
Output is correct |
58 |
Correct |
71 ms |
130676 KB |
Output is correct |
59 |
Correct |
1664 ms |
170568 KB |
Output is correct |
60 |
Correct |
60 ms |
130016 KB |
Output is correct |
61 |
Correct |
1739 ms |
170428 KB |
Output is correct |
62 |
Correct |
63 ms |
129808 KB |
Output is correct |
63 |
Correct |
1726 ms |
170512 KB |
Output is correct |
64 |
Correct |
60 ms |
130056 KB |
Output is correct |
65 |
Correct |
94 ms |
130664 KB |
Output is correct |
66 |
Correct |
90 ms |
130684 KB |
Output is correct |
67 |
Correct |
88 ms |
130200 KB |
Output is correct |
68 |
Correct |
80 ms |
130056 KB |
Output is correct |
69 |
Correct |
91 ms |
130740 KB |
Output is correct |
70 |
Correct |
145 ms |
132052 KB |
Output is correct |
71 |
Correct |
58 ms |
129372 KB |
Output is correct |
72 |
Correct |
148 ms |
130872 KB |
Output is correct |
73 |
Correct |
54 ms |
129312 KB |
Output is correct |
74 |
Correct |
143 ms |
132024 KB |
Output is correct |
75 |
Correct |
56 ms |
129492 KB |
Output is correct |
76 |
Correct |
448 ms |
134596 KB |
Output is correct |
77 |
Correct |
59 ms |
129580 KB |
Output is correct |
78 |
Correct |
281 ms |
131996 KB |
Output is correct |
79 |
Correct |
74 ms |
130144 KB |
Output is correct |
80 |
Correct |
417 ms |
134616 KB |
Output is correct |
81 |
Correct |
57 ms |
129496 KB |
Output is correct |
82 |
Correct |
238 ms |
134612 KB |
Output is correct |
83 |
Correct |
69 ms |
129708 KB |
Output is correct |
84 |
Correct |
255 ms |
134572 KB |
Output is correct |
85 |
Correct |
57 ms |
129368 KB |
Output is correct |
86 |
Correct |
296 ms |
134584 KB |
Output is correct |
87 |
Correct |
77 ms |
130056 KB |
Output is correct |
88 |
Correct |
118 ms |
130772 KB |
Output is correct |
89 |
Correct |
69 ms |
129800 KB |
Output is correct |
90 |
Correct |
59 ms |
129604 KB |
Output is correct |
91 |
Correct |
130 ms |
130736 KB |
Output is correct |
92 |
Correct |
67 ms |
129732 KB |
Output is correct |
93 |
Correct |
64 ms |
129676 KB |
Output is correct |