#include<bits/stdc++.h>
#define int long long
using namespace std;
signed main(){
ios::sync_with_stdio(false);
cin.tie(0);
int n, laenge; cin >> n >> laenge;
vector<int> wo(n+2, 0), zeit(n+2, 0);
for(int i=1; i<=n; i++) cin >> wo[i];
for(int i=1; i<=n; i++) cin >> zeit[i];
wo[n+1] = laenge;
zeit[n+1] = 0;
vector<vector<vector<vector<int>>>> dp(n+2, vector<vector<vector<int>>>(n+2, vector<vector<int>>(n+2, vector<int>(2, 1e18))));
dp[n+1][0][0][1] = 0;
dp[n+1][0][0][0] = 0;
pair<int,int> punkte;
int res = 0;
for(int c=0; c<n; c++){//Anz Marken
for(int l=n+1; l>0; l--){//linkes Ende -> wo[l]
for(int r=0; r<l; r++){//rechtes Ende
if(dp[l][r][c][0]!=1e18){//sind am linken Ende
//ans rechte Ende laufen
int tmp = r+1;
if(tmp!=l){
int dist = wo[tmp]+laenge-wo[l];
if(dp[l][r][c][0]+dist<=zeit[tmp] && tmp!=0 && tmp!=laenge){
dp[l][tmp][c+1][1] = dp[l][r][c][0] + dist;
if(c+1>res) punkte = {l, tmp};
res = max(res, c+1);
}else dp[l][tmp][c][1] = dp[l][r][c][0] + dist;
}
//ans neue linke Ende laufen
tmp = l-1;
if(tmp!=r){
int dist = wo[l]-wo[tmp];
if(dp[l][r][c][0]+dist<=zeit[tmp] && tmp!=0 && tmp!=laenge){
dp[tmp][r][c+1][0] = dp[l][r][c][0] + dist;
if(c+1>res) punkte = {tmp, r};
res = max(res, c+1);
}else dp[tmp][r][c][0] = dp[l][r][c][0] + dist;
}
}
if(dp[l][r][c][1]!=1e18){//sind am rechten Ende
//ans linke Ende laufen
int tmp = l-1;
int dist = wo[r]+laenge-wo[tmp];
if(tmp!=r){
if(dp[l][r][c][1]+dist<=zeit[tmp] && tmp!=0 && tmp!=laenge){
dp[tmp][r][c+1][0] = dp[l][r][c][1] + dist;
if(c+1>res) punkte = {tmp, r};
res = max(res, c+1);
}else dp[tmp][r][c][0] = dp[l][r][c][1] + dist;
}
//ans neue rechte Ende laufen
tmp = r+1;
dist = wo[r+1]-wo[r];
if(tmp!=l){
if(dp[l][r][c][1]+dist<=zeit[tmp] && tmp!=0 && tmp!=laenge){
dp[l][tmp][c+1][1] = dp[l][r][c][1] + dist;
if(c+1>res) punkte = {l, tmp};
res = max(res, c+1);
}else dp[l][tmp][c][1] = dp[l][r][c][1] + dist;
}
}
}
}
}
cout << res;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
444 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
444 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
468 KB |
Output is correct |
21 |
Correct |
1 ms |
468 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
596 KB |
Output is correct |
24 |
Correct |
1 ms |
448 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
1 ms |
468 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
596 KB |
Output is correct |
30 |
Correct |
1 ms |
596 KB |
Output is correct |
31 |
Correct |
1 ms |
468 KB |
Output is correct |
32 |
Correct |
1 ms |
468 KB |
Output is correct |
33 |
Correct |
1 ms |
596 KB |
Output is correct |
34 |
Correct |
1 ms |
572 KB |
Output is correct |
35 |
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 |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
444 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
450 ms |
328056 KB |
Output is correct |
19 |
Correct |
189 ms |
155508 KB |
Output is correct |
20 |
Correct |
78 ms |
61080 KB |
Output is correct |
21 |
Incorrect |
189 ms |
142928 KB |
Output isn't correct |
22 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
0 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
444 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
468 KB |
Output is correct |
21 |
Correct |
1 ms |
468 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
2 ms |
596 KB |
Output is correct |
24 |
Correct |
1 ms |
448 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
1 ms |
468 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
596 KB |
Output is correct |
30 |
Correct |
1 ms |
596 KB |
Output is correct |
31 |
Correct |
1 ms |
468 KB |
Output is correct |
32 |
Correct |
1 ms |
468 KB |
Output is correct |
33 |
Correct |
1 ms |
596 KB |
Output is correct |
34 |
Correct |
1 ms |
572 KB |
Output is correct |
35 |
Correct |
1 ms |
596 KB |
Output is correct |
36 |
Correct |
450 ms |
328056 KB |
Output is correct |
37 |
Correct |
189 ms |
155508 KB |
Output is correct |
38 |
Correct |
78 ms |
61080 KB |
Output is correct |
39 |
Incorrect |
189 ms |
142928 KB |
Output isn't correct |
40 |
Halted |
0 ms |
0 KB |
- |