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Submission #647913

# Submission time Handle Problem Language Result Execution time Memory
647913 2022-10-04T14:20:10 Z LeonaRaging Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 118 ms 135264 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fi first
#define se second
#define ll long long
#define pb push_back
#define db(val) "[" #val " = " << (val) << "] "

const ll mod = 1e9 + 7;
const int maxn = 1e5 + 4;
const int N = 205;

int n, L, x[N], t[N], dp[N][N][N][2], INF;

void MIN(int &a, int b) {
    if (a > b) a = b;
}

int dist(int from, int to) {
    if (from > to) swap(from, to);
    return min(x[to] - x[from], L - (x[to] - x[from]));
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    //freopen(".INP", "r", stdin);
    //freopen(".OUT", "w", stdout);
    cin >> n >> L;
    for (int i = 1; i <= n; i++)
        cin >> x[i];
    for (int i = 1; i <= n; i++)
        cin >> t[i];
    memset(dp, 63, sizeof dp);
    INF = dp[0][0][0][0];
    dp[0][n + 1][0][0] = 0;
    x[n + 1] = L;
    for (int sz = n + 1; sz > 1; sz--) {
        for (int i = 0; i <= n + 1 - sz; i++) {
            int j = i + sz;
            for (int k = 0; k <= n; k++) {
                int x;
                if (dp[i][j][k][0] != INF) {
                    x = dp[i][j][k][0] + dist(i, i + 1);
                    MIN(dp[i + 1][j][k + (x <= t[i + 1])][0], x);
                    x = dp[i][j][k][0] + dist(i, j - 1);
                    MIN(dp[i][j - 1][k + (x <= t[j - 1])][1], x);
                }
                if (dp[i][j][k][1] != INF) {
                    x = dp[i][j][k][1] + dist(j, i + 1);
                    MIN(dp[i + 1][j][k + (x <= t[i + 1])][0], x);
                    x = dp[i][j][k][1] + dist(j, j - 1);
                    MIN(dp[i][j - 1][k + (x <= t[j - 1])][1], x);
                }
            }   
        }
    }
    int ans = 0;
    for (int k = 0; k <= n; k++)
        for (int i = 0; i <= n; i++)
            if (dp[i][i + 1][k][0] != INF || dp[i][i + 1][k][1] != INF)
                ans = k;
    cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 135116 KB Output is correct
2 Correct 58 ms 135068 KB Output is correct
3 Correct 53 ms 135076 KB Output is correct
4 Correct 51 ms 135124 KB Output is correct
5 Correct 52 ms 135228 KB Output is correct
6 Correct 50 ms 135112 KB Output is correct
7 Correct 58 ms 135116 KB Output is correct
8 Correct 51 ms 135076 KB Output is correct
9 Correct 51 ms 135116 KB Output is correct
10 Correct 51 ms 135104 KB Output is correct
11 Correct 60 ms 135056 KB Output is correct
12 Correct 57 ms 135084 KB Output is correct
13 Correct 53 ms 135056 KB Output is correct
14 Correct 50 ms 135152 KB Output is correct
15 Correct 53 ms 135116 KB Output is correct
16 Correct 57 ms 135156 KB Output is correct
17 Correct 53 ms 135064 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 135116 KB Output is correct
2 Correct 58 ms 135068 KB Output is correct
3 Correct 53 ms 135076 KB Output is correct
4 Correct 51 ms 135124 KB Output is correct
5 Correct 52 ms 135228 KB Output is correct
6 Correct 50 ms 135112 KB Output is correct
7 Correct 58 ms 135116 KB Output is correct
8 Correct 51 ms 135076 KB Output is correct
9 Correct 51 ms 135116 KB Output is correct
10 Correct 51 ms 135104 KB Output is correct
11 Correct 60 ms 135056 KB Output is correct
12 Correct 57 ms 135084 KB Output is correct
13 Correct 53 ms 135056 KB Output is correct
14 Correct 50 ms 135152 KB Output is correct
15 Correct 53 ms 135116 KB Output is correct
16 Correct 57 ms 135156 KB Output is correct
17 Correct 53 ms 135064 KB Output is correct
18 Correct 59 ms 135084 KB Output is correct
19 Correct 53 ms 135156 KB Output is correct
20 Correct 52 ms 135152 KB Output is correct
21 Correct 53 ms 135168 KB Output is correct
22 Correct 50 ms 135076 KB Output is correct
23 Correct 50 ms 135112 KB Output is correct
24 Correct 58 ms 135160 KB Output is correct
25 Correct 50 ms 135136 KB Output is correct
26 Correct 50 ms 135104 KB Output is correct
27 Correct 55 ms 135112 KB Output is correct
28 Correct 54 ms 135072 KB Output is correct
29 Correct 51 ms 135168 KB Output is correct
30 Correct 56 ms 135116 KB Output is correct
31 Correct 51 ms 135116 KB Output is correct
32 Correct 50 ms 135176 KB Output is correct
33 Correct 50 ms 135064 KB Output is correct
34 Correct 56 ms 135104 KB Output is correct
35 Correct 58 ms 135116 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 135116 KB Output is correct
2 Correct 58 ms 135068 KB Output is correct
3 Correct 53 ms 135076 KB Output is correct
4 Correct 51 ms 135124 KB Output is correct
5 Correct 52 ms 135228 KB Output is correct
6 Correct 50 ms 135112 KB Output is correct
7 Correct 58 ms 135116 KB Output is correct
8 Correct 51 ms 135076 KB Output is correct
9 Correct 51 ms 135116 KB Output is correct
10 Correct 51 ms 135104 KB Output is correct
11 Correct 60 ms 135056 KB Output is correct
12 Correct 57 ms 135084 KB Output is correct
13 Correct 53 ms 135056 KB Output is correct
14 Correct 50 ms 135152 KB Output is correct
15 Correct 53 ms 135116 KB Output is correct
16 Correct 57 ms 135156 KB Output is correct
17 Correct 53 ms 135064 KB Output is correct
18 Correct 76 ms 135088 KB Output is correct
19 Correct 70 ms 135088 KB Output is correct
20 Correct 55 ms 135116 KB Output is correct
21 Correct 64 ms 135212 KB Output is correct
22 Correct 71 ms 135156 KB Output is correct
23 Correct 61 ms 135092 KB Output is correct
24 Correct 65 ms 135060 KB Output is correct
25 Correct 58 ms 135100 KB Output is correct
26 Correct 52 ms 135248 KB Output is correct
27 Correct 55 ms 135100 KB Output is correct
28 Correct 52 ms 135180 KB Output is correct
29 Correct 56 ms 135080 KB Output is correct
30 Correct 63 ms 135076 KB Output is correct
31 Correct 60 ms 135112 KB Output is correct
32 Correct 51 ms 135116 KB Output is correct
33 Correct 56 ms 135128 KB Output is correct
34 Correct 50 ms 135124 KB Output is correct
35 Correct 59 ms 135116 KB Output is correct
36 Correct 52 ms 135148 KB Output is correct
37 Correct 57 ms 135100 KB Output is correct
38 Correct 58 ms 135104 KB Output is correct
39 Correct 58 ms 135172 KB Output is correct
40 Correct 58 ms 135116 KB Output is correct
41 Correct 93 ms 135092 KB Output is correct
42 Correct 55 ms 135116 KB Output is correct
43 Correct 99 ms 135116 KB Output is correct
44 Correct 71 ms 135092 KB Output is correct
45 Correct 95 ms 135180 KB Output is correct
46 Correct 64 ms 135152 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 52 ms 135116 KB Output is correct
2 Correct 58 ms 135068 KB Output is correct
3 Correct 53 ms 135076 KB Output is correct
4 Correct 51 ms 135124 KB Output is correct
5 Correct 52 ms 135228 KB Output is correct
6 Correct 50 ms 135112 KB Output is correct
7 Correct 58 ms 135116 KB Output is correct
8 Correct 51 ms 135076 KB Output is correct
9 Correct 51 ms 135116 KB Output is correct
10 Correct 51 ms 135104 KB Output is correct
11 Correct 60 ms 135056 KB Output is correct
12 Correct 57 ms 135084 KB Output is correct
13 Correct 53 ms 135056 KB Output is correct
14 Correct 50 ms 135152 KB Output is correct
15 Correct 53 ms 135116 KB Output is correct
16 Correct 57 ms 135156 KB Output is correct
17 Correct 53 ms 135064 KB Output is correct
18 Correct 59 ms 135084 KB Output is correct
19 Correct 53 ms 135156 KB Output is correct
20 Correct 52 ms 135152 KB Output is correct
21 Correct 53 ms 135168 KB Output is correct
22 Correct 50 ms 135076 KB Output is correct
23 Correct 50 ms 135112 KB Output is correct
24 Correct 58 ms 135160 KB Output is correct
25 Correct 50 ms 135136 KB Output is correct
26 Correct 50 ms 135104 KB Output is correct
27 Correct 55 ms 135112 KB Output is correct
28 Correct 54 ms 135072 KB Output is correct
29 Correct 51 ms 135168 KB Output is correct
30 Correct 56 ms 135116 KB Output is correct
31 Correct 51 ms 135116 KB Output is correct
32 Correct 50 ms 135176 KB Output is correct
33 Correct 50 ms 135064 KB Output is correct
34 Correct 56 ms 135104 KB Output is correct
35 Correct 58 ms 135116 KB Output is correct
36 Correct 76 ms 135088 KB Output is correct
37 Correct 70 ms 135088 KB Output is correct
38 Correct 55 ms 135116 KB Output is correct
39 Correct 64 ms 135212 KB Output is correct
40 Correct 71 ms 135156 KB Output is correct
41 Correct 61 ms 135092 KB Output is correct
42 Correct 65 ms 135060 KB Output is correct
43 Correct 58 ms 135100 KB Output is correct
44 Correct 52 ms 135248 KB Output is correct
45 Correct 55 ms 135100 KB Output is correct
46 Correct 52 ms 135180 KB Output is correct
47 Correct 56 ms 135080 KB Output is correct
48 Correct 63 ms 135076 KB Output is correct
49 Correct 60 ms 135112 KB Output is correct
50 Correct 51 ms 135116 KB Output is correct
51 Correct 56 ms 135128 KB Output is correct
52 Correct 50 ms 135124 KB Output is correct
53 Correct 59 ms 135116 KB Output is correct
54 Correct 52 ms 135148 KB Output is correct
55 Correct 57 ms 135100 KB Output is correct
56 Correct 58 ms 135104 KB Output is correct
57 Correct 58 ms 135172 KB Output is correct
58 Correct 58 ms 135116 KB Output is correct
59 Correct 93 ms 135092 KB Output is correct
60 Correct 55 ms 135116 KB Output is correct
61 Correct 99 ms 135116 KB Output is correct
62 Correct 71 ms 135092 KB Output is correct
63 Correct 95 ms 135180 KB Output is correct
64 Correct 64 ms 135152 KB Output is correct
65 Correct 93 ms 135100 KB Output is correct
66 Correct 86 ms 135188 KB Output is correct
67 Correct 80 ms 135164 KB Output is correct
68 Correct 75 ms 135116 KB Output is correct
69 Correct 89 ms 135176 KB Output is correct
70 Correct 106 ms 135100 KB Output is correct
71 Correct 82 ms 135172 KB Output is correct
72 Correct 92 ms 135184 KB Output is correct
73 Correct 68 ms 135184 KB Output is correct
74 Correct 80 ms 135116 KB Output is correct
75 Correct 84 ms 135076 KB Output is correct
76 Correct 118 ms 135184 KB Output is correct
77 Correct 96 ms 135264 KB Output is correct
78 Correct 83 ms 135180 KB Output is correct
79 Correct 81 ms 135128 KB Output is correct
80 Correct 97 ms 135184 KB Output is correct
81 Correct 75 ms 135136 KB Output is correct
82 Correct 73 ms 135064 KB Output is correct
83 Correct 89 ms 135116 KB Output is correct
84 Correct 81 ms 135140 KB Output is correct
85 Correct 70 ms 135188 KB Output is correct
86 Correct 75 ms 135096 KB Output is correct
87 Correct 84 ms 135132 KB Output is correct
88 Correct 104 ms 135096 KB Output is correct
89 Correct 105 ms 135108 KB Output is correct
90 Correct 63 ms 135116 KB Output is correct
91 Correct 104 ms 135084 KB Output is correct
92 Correct 98 ms 135188 KB Output is correct
93 Correct 59 ms 135156 KB Output is correct