#include <bits/stdc++.h>
using namespace std;
#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using ull = uint64_t;
using uint = uint32_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const ll LINF = ll(4e18) + ll(2e15);
const double EPS = 1e-9;
static int LamyIsCute = []() {
EmiliaMyWife
return 48763;
}();
const int N = 207;
ll dp[N][N][N][2];
signed main() {
for(int i = 0; i < N; i++)
for(int j = 0; j < N; j++)
for(int k = 0; k < N; k++)
for(int w = 0; w < 2; w++)
dp[i][j][k][w] = LINF;
int n, l;
cin >> n >> l;
vector<int> arr(n), ti(n);
for(int i = 0; i < n; i++)
cin >> arr[i];
for(int i = 0; i < n; i++)
cin >> ti[i];
dp[1][0][ti[0] >= arr[0]][0] = arr[0];
dp[0][1][ti.back() >= l - arr.back()][1] = l - arr.back();
for(int i = 0; i < n; i++) {
for(int j = 0; j + i < n; j++) {
for(int k = 0; k <= n; k++) {
if(dp[i][j][k][0] != LINF) {
ll cur = dp[i][j][k][0] + (arr[i] - arr[i - 1]);
dp[i + 1][j][k + (cur <= ti[i])][0] = min(dp[i + 1][j][k + (cur <= ti[i])][0], cur);
cur = dp[i][j][k][0] + arr[i - 1] + (l - arr[n - j - 1]);
dp[i][j + 1][k + (cur <= ti[n - j - 1])][1] = min(dp[i][j + 1][k + (cur <= ti[n - j - 1])][1], cur);
}
if(dp[i][j][k][1] != LINF) {
ll cur = dp[i][j][k][1] + (l - arr[n - j]) + arr[i];
dp[i + 1][j][k + (cur <= ti[i])][0] = min(dp[i + 1][j][k + (cur <= ti[i])][0], cur);
cur = dp[i][j][k][1] + (arr[n - j] - arr[n - j - 1]);
dp[i][j + 1][k + (cur <= ti[n - j - 1])][1] = min(dp[i][j + 1][k + (cur <= ti[n - j - 1])][1], cur);
}
}
}
}
int ans = 0;
for(int i = 0; i < N; i++)
for(int j = 0; j < N; j++)
for(int k = 0; k < N; k++)
for(int w = 0; w < 2; w++)
if(dp[i][j][k][w] < LINF)
ans = max(ans, k);
cout << ans << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
139156 KB |
Output is correct |
2 |
Correct |
69 ms |
139188 KB |
Output is correct |
3 |
Correct |
69 ms |
139104 KB |
Output is correct |
4 |
Correct |
76 ms |
139140 KB |
Output is correct |
5 |
Correct |
68 ms |
139084 KB |
Output is correct |
6 |
Correct |
65 ms |
139084 KB |
Output is correct |
7 |
Correct |
64 ms |
139080 KB |
Output is correct |
8 |
Correct |
69 ms |
139204 KB |
Output is correct |
9 |
Correct |
83 ms |
139060 KB |
Output is correct |
10 |
Correct |
67 ms |
139156 KB |
Output is correct |
11 |
Correct |
64 ms |
139124 KB |
Output is correct |
12 |
Correct |
70 ms |
139068 KB |
Output is correct |
13 |
Correct |
64 ms |
139076 KB |
Output is correct |
14 |
Correct |
65 ms |
139084 KB |
Output is correct |
15 |
Correct |
76 ms |
139116 KB |
Output is correct |
16 |
Correct |
87 ms |
139148 KB |
Output is correct |
17 |
Correct |
64 ms |
139116 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
139156 KB |
Output is correct |
2 |
Correct |
69 ms |
139188 KB |
Output is correct |
3 |
Correct |
69 ms |
139104 KB |
Output is correct |
4 |
Correct |
76 ms |
139140 KB |
Output is correct |
5 |
Correct |
68 ms |
139084 KB |
Output is correct |
6 |
Correct |
65 ms |
139084 KB |
Output is correct |
7 |
Correct |
64 ms |
139080 KB |
Output is correct |
8 |
Correct |
69 ms |
139204 KB |
Output is correct |
9 |
Correct |
83 ms |
139060 KB |
Output is correct |
10 |
Correct |
67 ms |
139156 KB |
Output is correct |
11 |
Correct |
64 ms |
139124 KB |
Output is correct |
12 |
Correct |
70 ms |
139068 KB |
Output is correct |
13 |
Correct |
64 ms |
139076 KB |
Output is correct |
14 |
Correct |
65 ms |
139084 KB |
Output is correct |
15 |
Correct |
76 ms |
139116 KB |
Output is correct |
16 |
Correct |
87 ms |
139148 KB |
Output is correct |
17 |
Correct |
64 ms |
139116 KB |
Output is correct |
18 |
Correct |
64 ms |
139048 KB |
Output is correct |
19 |
Correct |
66 ms |
139144 KB |
Output is correct |
20 |
Correct |
67 ms |
139160 KB |
Output is correct |
21 |
Correct |
65 ms |
139104 KB |
Output is correct |
22 |
Correct |
74 ms |
139096 KB |
Output is correct |
23 |
Correct |
77 ms |
139140 KB |
Output is correct |
24 |
Correct |
68 ms |
139056 KB |
Output is correct |
25 |
Correct |
68 ms |
139076 KB |
Output is correct |
26 |
Correct |
63 ms |
139052 KB |
Output is correct |
27 |
Correct |
67 ms |
139180 KB |
Output is correct |
28 |
Correct |
71 ms |
139084 KB |
Output is correct |
29 |
Correct |
84 ms |
139116 KB |
Output is correct |
30 |
Correct |
68 ms |
139124 KB |
Output is correct |
31 |
Correct |
66 ms |
139168 KB |
Output is correct |
32 |
Correct |
65 ms |
139112 KB |
Output is correct |
33 |
Correct |
65 ms |
139140 KB |
Output is correct |
34 |
Correct |
69 ms |
139112 KB |
Output is correct |
35 |
Correct |
88 ms |
139052 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
139156 KB |
Output is correct |
2 |
Correct |
69 ms |
139188 KB |
Output is correct |
3 |
Correct |
69 ms |
139104 KB |
Output is correct |
4 |
Correct |
76 ms |
139140 KB |
Output is correct |
5 |
Correct |
68 ms |
139084 KB |
Output is correct |
6 |
Correct |
65 ms |
139084 KB |
Output is correct |
7 |
Correct |
64 ms |
139080 KB |
Output is correct |
8 |
Correct |
69 ms |
139204 KB |
Output is correct |
9 |
Correct |
83 ms |
139060 KB |
Output is correct |
10 |
Correct |
67 ms |
139156 KB |
Output is correct |
11 |
Correct |
64 ms |
139124 KB |
Output is correct |
12 |
Correct |
70 ms |
139068 KB |
Output is correct |
13 |
Correct |
64 ms |
139076 KB |
Output is correct |
14 |
Correct |
65 ms |
139084 KB |
Output is correct |
15 |
Correct |
76 ms |
139116 KB |
Output is correct |
16 |
Correct |
87 ms |
139148 KB |
Output is correct |
17 |
Correct |
64 ms |
139116 KB |
Output is correct |
18 |
Correct |
92 ms |
139156 KB |
Output is correct |
19 |
Correct |
85 ms |
139156 KB |
Output is correct |
20 |
Correct |
71 ms |
139156 KB |
Output is correct |
21 |
Correct |
78 ms |
139152 KB |
Output is correct |
22 |
Correct |
86 ms |
139160 KB |
Output is correct |
23 |
Correct |
84 ms |
139180 KB |
Output is correct |
24 |
Correct |
77 ms |
139156 KB |
Output is correct |
25 |
Correct |
71 ms |
139112 KB |
Output is correct |
26 |
Correct |
67 ms |
139164 KB |
Output is correct |
27 |
Correct |
72 ms |
139156 KB |
Output is correct |
28 |
Correct |
67 ms |
139104 KB |
Output is correct |
29 |
Correct |
75 ms |
139156 KB |
Output is correct |
30 |
Correct |
79 ms |
139100 KB |
Output is correct |
31 |
Correct |
71 ms |
139036 KB |
Output is correct |
32 |
Correct |
67 ms |
139072 KB |
Output is correct |
33 |
Correct |
71 ms |
139144 KB |
Output is correct |
34 |
Correct |
66 ms |
139152 KB |
Output is correct |
35 |
Correct |
86 ms |
139112 KB |
Output is correct |
36 |
Correct |
76 ms |
139116 KB |
Output is correct |
37 |
Correct |
68 ms |
139084 KB |
Output is correct |
38 |
Correct |
74 ms |
139156 KB |
Output is correct |
39 |
Correct |
68 ms |
139052 KB |
Output is correct |
40 |
Correct |
67 ms |
139152 KB |
Output is correct |
41 |
Correct |
110 ms |
139096 KB |
Output is correct |
42 |
Correct |
94 ms |
139104 KB |
Output is correct |
43 |
Correct |
116 ms |
139160 KB |
Output is correct |
44 |
Correct |
68 ms |
139032 KB |
Output is correct |
45 |
Correct |
105 ms |
139076 KB |
Output is correct |
46 |
Correct |
81 ms |
139156 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
70 ms |
139156 KB |
Output is correct |
2 |
Correct |
69 ms |
139188 KB |
Output is correct |
3 |
Correct |
69 ms |
139104 KB |
Output is correct |
4 |
Correct |
76 ms |
139140 KB |
Output is correct |
5 |
Correct |
68 ms |
139084 KB |
Output is correct |
6 |
Correct |
65 ms |
139084 KB |
Output is correct |
7 |
Correct |
64 ms |
139080 KB |
Output is correct |
8 |
Correct |
69 ms |
139204 KB |
Output is correct |
9 |
Correct |
83 ms |
139060 KB |
Output is correct |
10 |
Correct |
67 ms |
139156 KB |
Output is correct |
11 |
Correct |
64 ms |
139124 KB |
Output is correct |
12 |
Correct |
70 ms |
139068 KB |
Output is correct |
13 |
Correct |
64 ms |
139076 KB |
Output is correct |
14 |
Correct |
65 ms |
139084 KB |
Output is correct |
15 |
Correct |
76 ms |
139116 KB |
Output is correct |
16 |
Correct |
87 ms |
139148 KB |
Output is correct |
17 |
Correct |
64 ms |
139116 KB |
Output is correct |
18 |
Correct |
64 ms |
139048 KB |
Output is correct |
19 |
Correct |
66 ms |
139144 KB |
Output is correct |
20 |
Correct |
67 ms |
139160 KB |
Output is correct |
21 |
Correct |
65 ms |
139104 KB |
Output is correct |
22 |
Correct |
74 ms |
139096 KB |
Output is correct |
23 |
Correct |
77 ms |
139140 KB |
Output is correct |
24 |
Correct |
68 ms |
139056 KB |
Output is correct |
25 |
Correct |
68 ms |
139076 KB |
Output is correct |
26 |
Correct |
63 ms |
139052 KB |
Output is correct |
27 |
Correct |
67 ms |
139180 KB |
Output is correct |
28 |
Correct |
71 ms |
139084 KB |
Output is correct |
29 |
Correct |
84 ms |
139116 KB |
Output is correct |
30 |
Correct |
68 ms |
139124 KB |
Output is correct |
31 |
Correct |
66 ms |
139168 KB |
Output is correct |
32 |
Correct |
65 ms |
139112 KB |
Output is correct |
33 |
Correct |
65 ms |
139140 KB |
Output is correct |
34 |
Correct |
69 ms |
139112 KB |
Output is correct |
35 |
Correct |
88 ms |
139052 KB |
Output is correct |
36 |
Correct |
92 ms |
139156 KB |
Output is correct |
37 |
Correct |
85 ms |
139156 KB |
Output is correct |
38 |
Correct |
71 ms |
139156 KB |
Output is correct |
39 |
Correct |
78 ms |
139152 KB |
Output is correct |
40 |
Correct |
86 ms |
139160 KB |
Output is correct |
41 |
Correct |
84 ms |
139180 KB |
Output is correct |
42 |
Correct |
77 ms |
139156 KB |
Output is correct |
43 |
Correct |
71 ms |
139112 KB |
Output is correct |
44 |
Correct |
67 ms |
139164 KB |
Output is correct |
45 |
Correct |
72 ms |
139156 KB |
Output is correct |
46 |
Correct |
67 ms |
139104 KB |
Output is correct |
47 |
Correct |
75 ms |
139156 KB |
Output is correct |
48 |
Correct |
79 ms |
139100 KB |
Output is correct |
49 |
Correct |
71 ms |
139036 KB |
Output is correct |
50 |
Correct |
67 ms |
139072 KB |
Output is correct |
51 |
Correct |
71 ms |
139144 KB |
Output is correct |
52 |
Correct |
66 ms |
139152 KB |
Output is correct |
53 |
Correct |
86 ms |
139112 KB |
Output is correct |
54 |
Correct |
76 ms |
139116 KB |
Output is correct |
55 |
Correct |
68 ms |
139084 KB |
Output is correct |
56 |
Correct |
74 ms |
139156 KB |
Output is correct |
57 |
Correct |
68 ms |
139052 KB |
Output is correct |
58 |
Correct |
67 ms |
139152 KB |
Output is correct |
59 |
Correct |
110 ms |
139096 KB |
Output is correct |
60 |
Correct |
94 ms |
139104 KB |
Output is correct |
61 |
Correct |
116 ms |
139160 KB |
Output is correct |
62 |
Correct |
68 ms |
139032 KB |
Output is correct |
63 |
Correct |
105 ms |
139076 KB |
Output is correct |
64 |
Correct |
81 ms |
139156 KB |
Output is correct |
65 |
Correct |
97 ms |
139160 KB |
Output is correct |
66 |
Correct |
97 ms |
139108 KB |
Output is correct |
67 |
Correct |
103 ms |
139276 KB |
Output is correct |
68 |
Correct |
101 ms |
139160 KB |
Output is correct |
69 |
Correct |
115 ms |
139352 KB |
Output is correct |
70 |
Correct |
106 ms |
139084 KB |
Output is correct |
71 |
Correct |
98 ms |
139160 KB |
Output is correct |
72 |
Correct |
113 ms |
139156 KB |
Output is correct |
73 |
Correct |
93 ms |
139156 KB |
Output is correct |
74 |
Correct |
108 ms |
139156 KB |
Output is correct |
75 |
Correct |
94 ms |
139168 KB |
Output is correct |
76 |
Correct |
113 ms |
139164 KB |
Output is correct |
77 |
Correct |
103 ms |
139104 KB |
Output is correct |
78 |
Correct |
102 ms |
139052 KB |
Output is correct |
79 |
Correct |
98 ms |
139172 KB |
Output is correct |
80 |
Correct |
111 ms |
139160 KB |
Output is correct |
81 |
Correct |
100 ms |
139132 KB |
Output is correct |
82 |
Correct |
88 ms |
139076 KB |
Output is correct |
83 |
Correct |
108 ms |
139160 KB |
Output is correct |
84 |
Correct |
92 ms |
139156 KB |
Output is correct |
85 |
Correct |
95 ms |
139148 KB |
Output is correct |
86 |
Correct |
91 ms |
139076 KB |
Output is correct |
87 |
Correct |
98 ms |
139116 KB |
Output is correct |
88 |
Correct |
120 ms |
139164 KB |
Output is correct |
89 |
Correct |
125 ms |
139156 KB |
Output is correct |
90 |
Correct |
90 ms |
139096 KB |
Output is correct |
91 |
Correct |
122 ms |
139144 KB |
Output is correct |
92 |
Correct |
114 ms |
139160 KB |
Output is correct |
93 |
Correct |
74 ms |
139064 KB |
Output is correct |