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Submission #1018433

# Submission time Handle Problem Language Result Execution time Memory
1018433 2024-07-10T04:04:03 Z snpmrnhlol Collecting Stamps 3 (JOI20_ho_t3) C++17
100 / 100
 50 ms 54616 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 200;
const int inf = 1e9 + 10;
int v[N + 2];
int v2[N + 2];
int dp[N + 3][N + 3][N + 3][2];
int main(){
    int n,nr;
    int ans = 0;
    cin>>n>>nr;
    v[0] = 0;
    v2[0] = 100;
    for(int i = 1;i <= n;i++){
        cin>>v[i];
    }
    for(int i = 1;i <= n;i++){
        cin>>v2[i];
    }
    v[n + 1] = nr;
    v2[n + 1] = 100;
    n+=2;
    for(int i = 0;i <= n;i++){
        for(int j = 0;j <= i;j++){
            for(int k = 0;k <= i;k++){
                for(int p = 0;p <= 1;p++){
                    if(i == 0 && j == 0 && k == 0 && p == 0){
                        dp[i][j][k][p] = 0;
                    }else{
                        dp[i][j][k][p] = inf;
                        int leftid = n - 1 - (i - j);
                        int rightid = j;
                        int dist = v[rightid] + (nr - v[leftid]);
                        if(i == 0 || leftid <= rightid)continue;
                        if(p == 0){
                            if(leftid == n - 1)continue;
                            ///to leftside
                            ///from rightside
                            if(k != 0 && dist + dp[i - 1][j][k - 1][1] <= v2[leftid]){
                                dp[i][j][k][p] = min(dp[i][j][k][p],dist + dp[i - 1][j][k - 1][1]);
                            }else{
                                if(i != k)dp[i][j][k][p] = min(dp[i][j][k][p],dist + dp[i - 1][j][k][1]);
                            }
                            ///from leftside
                            if(k != 0 && dp[i - 1][j][k - 1][0] + v[leftid + 1] - v[leftid] <= v2[leftid]){
                                dp[i][j][k][p] = min(dp[i][j][k][p],dp[i - 1][j][k - 1][0] + v[leftid + 1] - v[leftid]);
                            }else{
                                if(i != k)dp[i][j][k][p] = min(dp[i][j][k][p],dp[i - 1][j][k][0] + v[leftid + 1] - v[leftid]);
                            }
                        }else{
                            if(j == 0 || rightid == n)continue;
                            ///to rightside
                            ///from leftside
                            if(k != 0 && dist + dp[i - 1][j - 1][k - 1][0] <= v2[rightid]){
                                dp[i][j][k][p] = min(dp[i][j][k][p],dist + dp[i - 1][j - 1][k - 1][0]);
                            }else{
                                if(i != k)dp[i][j][k][p] = min(dp[i][j][k][p],dist + dp[i - 1][j - 1][k][0]);
                            }
                            ///from rightside
                            if(k != 0 && (v[rightid] - v[rightid - 1]) + dp[i - 1][j - 1][k - 1][1] <= v2[rightid]){
                                dp[i][j][k][p] = min(dp[i][j][k][p],(v[rightid] - v[rightid - 1]) + dp[i - 1][j - 1][k - 1][1]);
                            }else{
                                if(i != k)dp[i][j][k][p] = min(dp[i][j][k][p],(v[rightid] - v[rightid - 1]) + dp[i - 1][j - 1][k][1]);
                            }
                        }
                        if(dp[i][j][k][p] != inf){
                            ans = max(ans,k);
                        }
                        //cout<<dp[i][j][k][p]<<' '<<i<<' '<<j<<' '<<k<<' '<<p<<' '<<dist<<' '<<leftid<<' '<<v[leftid + 1]<<' '<<v[leftid]<<' '<<(v[rightid] - v[rightid - 1])<<'\n';
                    }
                }
            }
        }
    }
    cout<<ans<<'\n';
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 0 ms 2648 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 0 ms 2648 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 0 ms 4444 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6588 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 0 ms 2648 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 38 ms 47080 KB Output is correct
19 Correct 16 ms 36540 KB Output is correct
20 Correct 7 ms 27740 KB Output is correct
21 Correct 14 ms 35748 KB Output is correct
22 Correct 20 ms 38748 KB Output is correct
23 Correct 6 ms 27740 KB Output is correct
24 Correct 5 ms 25948 KB Output is correct
25 Correct 8 ms 26076 KB Output is correct
26 Correct 3 ms 20828 KB Output is correct
27 Correct 6 ms 27812 KB Output is correct
28 Correct 6 ms 24156 KB Output is correct
29 Correct 9 ms 26716 KB Output is correct
30 Correct 8 ms 27372 KB Output is correct
31 Correct 6 ms 26076 KB Output is correct
32 Correct 3 ms 22876 KB Output is correct
33 Correct 6 ms 27484 KB Output is correct
34 Correct 2 ms 18780 KB Output is correct
35 Correct 5 ms 28508 KB Output is correct
36 Correct 3 ms 23000 KB Output is correct
37 Correct 6 ms 27740 KB Output is correct
38 Correct 3 ms 24920 KB Output is correct
39 Correct 6 ms 29272 KB Output is correct
40 Correct 4 ms 24924 KB Output is correct
41 Correct 39 ms 51972 KB Output is correct
42 Correct 30 ms 41304 KB Output is correct
43 Correct 50 ms 53092 KB Output is correct
44 Correct 21 ms 42256 KB Output is correct
45 Correct 39 ms 51856 KB Output is correct
46 Correct 22 ms 42584 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 0 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 0 ms 4444 KB Output is correct
5 Correct 1 ms 4444 KB Output is correct
6 Correct 1 ms 6492 KB Output is correct
7 Correct 0 ms 4444 KB Output is correct
8 Correct 0 ms 4444 KB Output is correct
9 Correct 1 ms 6492 KB Output is correct
10 Correct 0 ms 2648 KB Output is correct
11 Correct 0 ms 2396 KB Output is correct
12 Correct 1 ms 6492 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 1 ms 4444 KB Output is correct
15 Correct 0 ms 4444 KB Output is correct
16 Correct 1 ms 6492 KB Output is correct
17 Correct 1 ms 6492 KB Output is correct
18 Correct 1 ms 6492 KB Output is correct
19 Correct 0 ms 4444 KB Output is correct
20 Correct 1 ms 6492 KB Output is correct
21 Correct 1 ms 6492 KB Output is correct
22 Correct 1 ms 4440 KB Output is correct
23 Correct 1 ms 6492 KB Output is correct
24 Correct 1 ms 6492 KB Output is correct
25 Correct 1 ms 6588 KB Output is correct
26 Correct 1 ms 6492 KB Output is correct
27 Correct 1 ms 4444 KB Output is correct
28 Correct 1 ms 4444 KB Output is correct
29 Correct 1 ms 6492 KB Output is correct
30 Correct 1 ms 6492 KB Output is correct
31 Correct 1 ms 6492 KB Output is correct
32 Correct 1 ms 6492 KB Output is correct
33 Correct 1 ms 6488 KB Output is correct
34 Correct 1 ms 6492 KB Output is correct
35 Correct 1 ms 6492 KB Output is correct
36 Correct 38 ms 47080 KB Output is correct
37 Correct 16 ms 36540 KB Output is correct
38 Correct 7 ms 27740 KB Output is correct
39 Correct 14 ms 35748 KB Output is correct
40 Correct 20 ms 38748 KB Output is correct
41 Correct 6 ms 27740 KB Output is correct
42 Correct 5 ms 25948 KB Output is correct
43 Correct 8 ms 26076 KB Output is correct
44 Correct 3 ms 20828 KB Output is correct
45 Correct 6 ms 27812 KB Output is correct
46 Correct 6 ms 24156 KB Output is correct
47 Correct 9 ms 26716 KB Output is correct
48 Correct 8 ms 27372 KB Output is correct
49 Correct 6 ms 26076 KB Output is correct
50 Correct 3 ms 22876 KB Output is correct
51 Correct 6 ms 27484 KB Output is correct
52 Correct 2 ms 18780 KB Output is correct
53 Correct 5 ms 28508 KB Output is correct
54 Correct 3 ms 23000 KB Output is correct
55 Correct 6 ms 27740 KB Output is correct
56 Correct 3 ms 24920 KB Output is correct
57 Correct 6 ms 29272 KB Output is correct
58 Correct 4 ms 24924 KB Output is correct
59 Correct 39 ms 51972 KB Output is correct
60 Correct 30 ms 41304 KB Output is correct
61 Correct 50 ms 53092 KB Output is correct
62 Correct 21 ms 42256 KB Output is correct
63 Correct 39 ms 51856 KB Output is correct
64 Correct 22 ms 42584 KB Output is correct
65 Correct 33 ms 48732 KB Output is correct
66 Correct 39 ms 46172 KB Output is correct
67 Correct 28 ms 46424 KB Output is correct
68 Correct 25 ms 44380 KB Output is correct
69 Correct 45 ms 48312 KB Output is correct
70 Correct 28 ms 47196 KB Output is correct
71 Correct 31 ms 47492 KB Output is correct
72 Correct 29 ms 49244 KB Output is correct
73 Correct 28 ms 46932 KB Output is correct
74 Correct 27 ms 45404 KB Output is correct
75 Correct 29 ms 46576 KB Output is correct
76 Correct 34 ms 51800 KB Output is correct
77 Correct 35 ms 50516 KB Output is correct
78 Correct 24 ms 44636 KB Output is correct
79 Correct 26 ms 44116 KB Output is correct
80 Correct 33 ms 50008 KB Output is correct
81 Correct 26 ms 46936 KB Output is correct
82 Correct 29 ms 47328 KB Output is correct
83 Correct 43 ms 53168 KB Output is correct
84 Correct 40 ms 49748 KB Output is correct
85 Correct 33 ms 51028 KB Output is correct
86 Correct 33 ms 50260 KB Output is correct
87 Correct 29 ms 48980 KB Output is correct
88 Correct 37 ms 54616 KB Output is correct
89 Correct 43 ms 54616 KB Output is correct
90 Correct 29 ms 49392 KB Output is correct
91 Correct 45 ms 53588 KB Output is correct
92 Correct 50 ms 54612 KB Output is correct
93 Correct 50 ms 52816 KB Output is correct