oj.uz

Submission #552784

# Submission time Handle Problem Language Result Execution time Memory
552784 2022-04-24T01:38:54 Z toastifishi Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 147 ms 132076 KB 
#include <bits/stdc++.h> 
#define x first
#define y second
using namespace std;
using ll = long long;
int n, L;
const int MAXN = 205;
ll dp[MAXN][MAXN][2][MAXN];
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);
    cin >> n >> L;
    vector <ll> x(n + 2), t(n + 2);
    for(int i = 1; i <= n; i++) cin >> x[i];
    for(int i = 1; i <= n; i++) cin >> t[i];
    x[n + 1] = L;
    for(int i = 0; i <= n + 1; i++) {
        for(int j = 0; j <= n + 1; j++) {
            for(int k = 0; k < 2; k++) {
                for(int m = 0; m <= n; m++) dp[i][j][k][m] = 1e18;
            }
        }
    }
    dp[0][n + 1][0][0] = dp[0][n + 1][1][0] = 0;
    for(int i = 0; i < n; i++) {
        for(int j = n + 1; j >= i + 2; j--) {
            for(int m = 0; m <= n; m++) {
                ll T;
                T = min(dp[i][j][0][m] + x[i + 1] - x[i], dp[i][j][1][m] + x[i + 1] + L - x[j]);
                dp[i + 1][j][0][m + (T <= t[i + 1])] = min(dp[i + 1][j][0][m + (T <= t[i + 1])], T);
                T = min(dp[i][j][0][m] + x[i] + L - x[j - 1], dp[i][j][1][m] + x[j] - x[j - 1]);
                dp[i][j - 1][1][m + (T <= t[j - 1])] = min(dp[i][j - 1][1][m + (T <= t[j - 1])], T);
            }
        }
    }
    ll ans = 0;
    for(int i = 0; i <= n + 1; i++) {
        for(int j = 0; j <= n + 1; j++) {
            for(int k = 0; k < 2; k++) {
                for(int m = 0; m <= n; m++) {
                    if(dp[i][j][k][m] != 1e18) ans = max(ans, (ll)m);
                }
            }
        }
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 712 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 964 KB Output is correct
14 Correct 1 ms 584 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 968 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 712 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 964 KB Output is correct
14 Correct 1 ms 584 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 708 KB Output is correct
23 Correct 1 ms 1236 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1096 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 724 KB Output is correct
29 Correct 1 ms 1236 KB Output is correct
30 Correct 1 ms 1236 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 980 KB Output is correct
33 Correct 1 ms 1236 KB Output is correct
34 Correct 2 ms 1236 KB Output is correct
35 Correct 1 ms 1236 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 712 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 964 KB Output is correct
14 Correct 1 ms 584 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 103 ms 106184 KB Output is correct
19 Correct 59 ms 64656 KB Output is correct
20 Correct 29 ms 34700 KB Output is correct
21 Correct 55 ms 60988 KB Output is correct
22 Correct 79 ms 79012 KB Output is correct
23 Correct 23 ms 29524 KB Output is correct
24 Correct 17 ms 23244 KB Output is correct
25 Correct 23 ms 29012 KB Output is correct
26 Correct 8 ms 11332 KB Output is correct
27 Correct 24 ms 30164 KB Output is correct
28 Correct 17 ms 21680 KB Output is correct
29 Correct 24 ms 30768 KB Output is correct
30 Correct 22 ms 24404 KB Output is correct
31 Correct 23 ms 28968 KB Output is correct
32 Correct 11 ms 15352 KB Output is correct
33 Correct 23 ms 29012 KB Output is correct
34 Correct 7 ms 10580 KB Output is correct
35 Correct 22 ms 28372 KB Output is correct
36 Correct 10 ms 13652 KB Output is correct
37 Correct 24 ms 30220 KB Output is correct
38 Correct 12 ms 16724 KB Output is correct
39 Correct 24 ms 31444 KB Output is correct
40 Correct 14 ms 18644 KB Output is correct
41 Correct 147 ms 130836 KB Output is correct
42 Correct 79 ms 88332 KB Output is correct
43 Correct 140 ms 130856 KB Output is correct
44 Correct 74 ms 87184 KB Output is correct
45 Correct 137 ms 130764 KB Output is correct
46 Correct 83 ms 88268 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 1 ms 460 KB Output is correct
3 Correct 1 ms 712 KB Output is correct
4 Correct 1 ms 468 KB Output is correct
5 Correct 1 ms 596 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 596 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 328 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 980 KB Output is correct
13 Correct 1 ms 964 KB Output is correct
14 Correct 1 ms 584 KB Output is correct
15 Correct 1 ms 596 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 968 KB Output is correct
18 Correct 1 ms 1108 KB Output is correct
19 Correct 1 ms 724 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 1108 KB Output is correct
22 Correct 1 ms 708 KB Output is correct
23 Correct 1 ms 1236 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 1108 KB Output is correct
26 Correct 1 ms 1096 KB Output is correct
27 Correct 1 ms 596 KB Output is correct
28 Correct 1 ms 724 KB Output is correct
29 Correct 1 ms 1236 KB Output is correct
30 Correct 1 ms 1236 KB Output is correct
31 Correct 1 ms 1108 KB Output is correct
32 Correct 1 ms 980 KB Output is correct
33 Correct 1 ms 1236 KB Output is correct
34 Correct 2 ms 1236 KB Output is correct
35 Correct 1 ms 1236 KB Output is correct
36 Correct 103 ms 106184 KB Output is correct
37 Correct 59 ms 64656 KB Output is correct
38 Correct 29 ms 34700 KB Output is correct
39 Correct 55 ms 60988 KB Output is correct
40 Correct 79 ms 79012 KB Output is correct
41 Correct 23 ms 29524 KB Output is correct
42 Correct 17 ms 23244 KB Output is correct
43 Correct 23 ms 29012 KB Output is correct
44 Correct 8 ms 11332 KB Output is correct
45 Correct 24 ms 30164 KB Output is correct
46 Correct 17 ms 21680 KB Output is correct
47 Correct 24 ms 30768 KB Output is correct
48 Correct 22 ms 24404 KB Output is correct
49 Correct 23 ms 28968 KB Output is correct
50 Correct 11 ms 15352 KB Output is correct
51 Correct 23 ms 29012 KB Output is correct
52 Correct 7 ms 10580 KB Output is correct
53 Correct 22 ms 28372 KB Output is correct
54 Correct 10 ms 13652 KB Output is correct
55 Correct 24 ms 30220 KB Output is correct
56 Correct 12 ms 16724 KB Output is correct
57 Correct 24 ms 31444 KB Output is correct
58 Correct 14 ms 18644 KB Output is correct
59 Correct 147 ms 130836 KB Output is correct
60 Correct 79 ms 88332 KB Output is correct
61 Correct 140 ms 130856 KB Output is correct
62 Correct 74 ms 87184 KB Output is correct
63 Correct 137 ms 130764 KB Output is correct
64 Correct 83 ms 88268 KB Output is correct
65 Correct 120 ms 118156 KB Output is correct
66 Correct 109 ms 108476 KB Output is correct
67 Correct 104 ms 103804 KB Output is correct
68 Correct 94 ms 95948 KB Output is correct
69 Correct 108 ms 116924 KB Output is correct
70 Correct 116 ms 111964 KB Output is correct
71 Correct 113 ms 113232 KB Output is correct
72 Correct 112 ms 114488 KB Output is correct
73 Correct 101 ms 106156 KB Output is correct
74 Correct 97 ms 99364 KB Output is correct
75 Correct 109 ms 109772 KB Output is correct
76 Correct 132 ms 125692 KB Output is correct
77 Correct 129 ms 125664 KB Output is correct
78 Correct 93 ms 96972 KB Output is correct
79 Correct 98 ms 100300 KB Output is correct
80 Correct 124 ms 123056 KB Output is correct
81 Correct 97 ms 101568 KB Output is correct
82 Correct 104 ms 107380 KB Output is correct
83 Correct 136 ms 130664 KB Output is correct
84 Correct 109 ms 112072 KB Output is correct
85 Correct 124 ms 121868 KB Output is correct
86 Correct 119 ms 119344 KB Output is correct
87 Correct 109 ms 109620 KB Output is correct
88 Correct 139 ms 132068 KB Output is correct
89 Correct 140 ms 132076 KB Output is correct
90 Correct 100 ms 110868 KB Output is correct
91 Correct 147 ms 131996 KB Output is correct
92 Correct 143 ms 132076 KB Output is correct
93 Correct 136 ms 129356 KB Output is correct