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Submission #201367

# Submission time Handle Problem Language Result Execution time Memory
201367 2020-02-10T10:23:13 Z parsa_mobed Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 164 ms 135416 KB 
#include <bits/stdc++.h>

using namespace std;
#define int long long
const int N = 210, inf = 1e9 + 1;
int dp[N][N][N][2], X[N], T[N];

int32_t main()
{
    int n, L; 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++) for (int c = 0; c <= n; c++) dp[i][j][c][0] = dp[i][j][c][1] = inf;
    T[0] = T[n+1] = -1;
    X[n+1] = L;
    dp[0][n+1][0][0] = dp[0][n+1][0][1] = 0;
    int ans = 0;
    for (int c = 0; c <= n; c++) {
        for (int i = 0; i <= n; i++) {
            for (int j = n + 1; j > i; j--) {
                if (i > 0) {
                    dp[i][j][c][0] = min(dp[i][j][c][0], min(dp[i - 1][j][c][0] + X[i] - X[i - 1], dp[i - 1][j][c][1] + X[i] + L - X[j]));
                    if (c > 0 && dp[i - 1][j][c - 1][0] + X[i] - X[i - 1] <= T[i])
                        dp[i][j][c][0] = min(dp[i][j][c][0], dp[i - 1][j][c - 1][0] + X[i] - X[i - 1]);
                    if (c > 0 && dp[i - 1][j][c - 1][1] + X[i] + L - X[j] <= T[i])
                        dp[i][j][c][0] = min(dp[i][j][c][0], dp[i - 1][j][c - 1][1] + X[i] + L - X[j]);
                }
                if (j < n + 1) {
                    dp[i][j][c][1] = min(dp[i][j][c][1], min(dp[i][j + 1][c][1] + X[j + 1] - X[j], dp[i][j + 1][c][0] + X[i] + L - X[j]));
                    if (c > 0 && dp[i][j + 1][c - 1][1] + X[j + 1] - X[j] <= T[j])
                        dp[i][j][c][1] = min(dp[i][j][c][1], dp[i][j + 1][c - 1][1] + X[j + 1] - X[j]);
                    if (c > 0 && dp[i][j + 1][c - 1][0] + X[i] + L - X[j] <= T[j])
                        dp[i][j][c][1] = min(dp[i][j][c][1], dp[i][j + 1][c - 1][0] + X[i] + L - X[j]);
                }
                if (dp[i][j][c][0] < inf || dp[i][j][c][1] < inf) ans = c;
            }
        }
    }
    cout << ans << "\n";


    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 504 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 760 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 636 KB Output is correct
6 Correct 5 ms 1016 KB Output is correct
7 Correct 5 ms 632 KB Output is correct
8 Correct 5 ms 760 KB Output is correct
9 Correct 5 ms 1016 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 1016 KB Output is correct
13 Correct 5 ms 1016 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 5 ms 632 KB Output is correct
16 Correct 5 ms 1016 KB Output is correct
17 Correct 5 ms 1016 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 504 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 760 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 636 KB Output is correct
6 Correct 5 ms 1016 KB Output is correct
7 Correct 5 ms 632 KB Output is correct
8 Correct 5 ms 760 KB Output is correct
9 Correct 5 ms 1016 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 1016 KB Output is correct
13 Correct 5 ms 1016 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 5 ms 632 KB Output is correct
16 Correct 5 ms 1016 KB Output is correct
17 Correct 5 ms 1016 KB Output is correct
18 Correct 5 ms 1144 KB Output is correct
19 Correct 5 ms 760 KB Output is correct
20 Correct 5 ms 1016 KB Output is correct
21 Correct 5 ms 1144 KB Output is correct
22 Correct 5 ms 760 KB Output is correct
23 Correct 5 ms 1272 KB Output is correct
24 Correct 5 ms 1016 KB Output is correct
25 Correct 5 ms 1144 KB Output is correct
26 Correct 5 ms 1144 KB Output is correct
27 Correct 5 ms 632 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 5 ms 1272 KB Output is correct
30 Correct 5 ms 1272 KB Output is correct
31 Correct 5 ms 1144 KB Output is correct
32 Correct 5 ms 1016 KB Output is correct
33 Correct 5 ms 1276 KB Output is correct
34 Correct 6 ms 1272 KB Output is correct
35 Correct 5 ms 1276 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 504 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 760 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 636 KB Output is correct
6 Correct 5 ms 1016 KB Output is correct
7 Correct 5 ms 632 KB Output is correct
8 Correct 5 ms 760 KB Output is correct
9 Correct 5 ms 1016 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 1016 KB Output is correct
13 Correct 5 ms 1016 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 5 ms 632 KB Output is correct
16 Correct 5 ms 1016 KB Output is correct
17 Correct 5 ms 1016 KB Output is correct
18 Correct 136 ms 108792 KB Output is correct
19 Correct 64 ms 66168 KB Output is correct
20 Correct 32 ms 35448 KB Output is correct
21 Correct 60 ms 62456 KB Output is correct
22 Correct 81 ms 80912 KB Output is correct
23 Correct 28 ms 30200 KB Output is correct
24 Correct 21 ms 23800 KB Output is correct
25 Correct 27 ms 29688 KB Output is correct
26 Correct 12 ms 11512 KB Output is correct
27 Correct 29 ms 30972 KB Output is correct
28 Correct 21 ms 22160 KB Output is correct
29 Correct 30 ms 31608 KB Output is correct
30 Correct 22 ms 24824 KB Output is correct
31 Correct 28 ms 29688 KB Output is correct
32 Correct 15 ms 15736 KB Output is correct
33 Correct 27 ms 29688 KB Output is correct
34 Correct 12 ms 10744 KB Output is correct
35 Correct 27 ms 29048 KB Output is correct
36 Correct 15 ms 13944 KB Output is correct
37 Correct 28 ms 30840 KB Output is correct
38 Correct 17 ms 17144 KB Output is correct
39 Correct 29 ms 32120 KB Output is correct
40 Correct 18 ms 19180 KB Output is correct
41 Correct 148 ms 133880 KB Output is correct
42 Correct 94 ms 90360 KB Output is correct
43 Correct 151 ms 134016 KB Output is correct
44 Correct 90 ms 89336 KB Output is correct
45 Correct 149 ms 133880 KB Output is correct
46 Correct 95 ms 90360 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 504 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 760 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 636 KB Output is correct
6 Correct 5 ms 1016 KB Output is correct
7 Correct 5 ms 632 KB Output is correct
8 Correct 5 ms 760 KB Output is correct
9 Correct 5 ms 1016 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 1016 KB Output is correct
13 Correct 5 ms 1016 KB Output is correct
14 Correct 5 ms 632 KB Output is correct
15 Correct 5 ms 632 KB Output is correct
16 Correct 5 ms 1016 KB Output is correct
17 Correct 5 ms 1016 KB Output is correct
18 Correct 5 ms 1144 KB Output is correct
19 Correct 5 ms 760 KB Output is correct
20 Correct 5 ms 1016 KB Output is correct
21 Correct 5 ms 1144 KB Output is correct
22 Correct 5 ms 760 KB Output is correct
23 Correct 5 ms 1272 KB Output is correct
24 Correct 5 ms 1016 KB Output is correct
25 Correct 5 ms 1144 KB Output is correct
26 Correct 5 ms 1144 KB Output is correct
27 Correct 5 ms 632 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 5 ms 1272 KB Output is correct
30 Correct 5 ms 1272 KB Output is correct
31 Correct 5 ms 1144 KB Output is correct
32 Correct 5 ms 1016 KB Output is correct
33 Correct 5 ms 1276 KB Output is correct
34 Correct 6 ms 1272 KB Output is correct
35 Correct 5 ms 1276 KB Output is correct
36 Correct 136 ms 108792 KB Output is correct
37 Correct 64 ms 66168 KB Output is correct
38 Correct 32 ms 35448 KB Output is correct
39 Correct 60 ms 62456 KB Output is correct
40 Correct 81 ms 80912 KB Output is correct
41 Correct 28 ms 30200 KB Output is correct
42 Correct 21 ms 23800 KB Output is correct
43 Correct 27 ms 29688 KB Output is correct
44 Correct 12 ms 11512 KB Output is correct
45 Correct 29 ms 30972 KB Output is correct
46 Correct 21 ms 22160 KB Output is correct
47 Correct 30 ms 31608 KB Output is correct
48 Correct 22 ms 24824 KB Output is correct
49 Correct 28 ms 29688 KB Output is correct
50 Correct 15 ms 15736 KB Output is correct
51 Correct 27 ms 29688 KB Output is correct
52 Correct 12 ms 10744 KB Output is correct
53 Correct 27 ms 29048 KB Output is correct
54 Correct 15 ms 13944 KB Output is correct
55 Correct 28 ms 30840 KB Output is correct
56 Correct 17 ms 17144 KB Output is correct
57 Correct 29 ms 32120 KB Output is correct
58 Correct 18 ms 19180 KB Output is correct
59 Correct 148 ms 133880 KB Output is correct
60 Correct 94 ms 90360 KB Output is correct
61 Correct 151 ms 134016 KB Output is correct
62 Correct 90 ms 89336 KB Output is correct
63 Correct 149 ms 133880 KB Output is correct
64 Correct 95 ms 90360 KB Output is correct
65 Correct 131 ms 121080 KB Output is correct
66 Correct 116 ms 111096 KB Output is correct
67 Correct 111 ms 106508 KB Output is correct
68 Correct 103 ms 98296 KB Output is correct
69 Correct 137 ms 119928 KB Output is correct
70 Correct 123 ms 114808 KB Output is correct
71 Correct 132 ms 115960 KB Output is correct
72 Correct 128 ms 117240 KB Output is correct
73 Correct 114 ms 108792 KB Output is correct
74 Correct 104 ms 101624 KB Output is correct
75 Correct 122 ms 112248 KB Output is correct
76 Correct 143 ms 128632 KB Output is correct
77 Correct 137 ms 128632 KB Output is correct
78 Correct 103 ms 99280 KB Output is correct
79 Correct 108 ms 102776 KB Output is correct
80 Correct 136 ms 126200 KB Output is correct
81 Correct 109 ms 104092 KB Output is correct
82 Correct 116 ms 109944 KB Output is correct
83 Correct 151 ms 133960 KB Output is correct
84 Correct 125 ms 114936 KB Output is correct
85 Correct 140 ms 124792 KB Output is correct
86 Correct 133 ms 122232 KB Output is correct
87 Correct 118 ms 112248 KB Output is correct
88 Correct 149 ms 135312 KB Output is correct
89 Correct 160 ms 135288 KB Output is correct
90 Correct 125 ms 113528 KB Output is correct
91 Correct 164 ms 135288 KB Output is correct
92 Correct 151 ms 135416 KB Output is correct
93 Correct 150 ms 132728 KB Output is correct