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Submission #745571

# Submission time Handle Problem Language Result Execution time Memory
745571 2023-05-20T11:47:53 Z Pacybwoah Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 1128 ms 127544 KB 
#pragma GCC optimize("O3","unroll-loops")
#include<iostream>
#include<vector>
#include<cassert>
#include<algorithm>
#define ll long long
using namespace std;
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    ll l;
    cin>>n>>l;
    vector<ll> pos(n+1),t(n+1);
    for(int i=1;i<=n;i++) cin>>pos[i];
    for(int i=1;i<=n;i++) cin>>t[i];
    ll dp[201][201][201][2];
    for(int i=0;i<=n;i++){
        for(int j=0;j<=n;j++){
            for(int k=0;k<=n;k++){
                for(int r=0;r<2;r++) dp[i][j][k][r]=1e18;
            }
        }
    }
    dp[0][0][0][0]=0;
    dp[0][0][0][1]=0;
    for(int i=1;i<=n;i++){
        for(int j=0;j<=n;j++){
            for(int k=0;k<=n;k+=(k!=0?1:j+1)){
                for(int r=j-1;r>=0;r--){
                    if(dp[i-1][r][k][0]+pos[j]-pos[r]<=t[j]){
                        dp[i][j][k][0]=min(dp[i][j][k][0],dp[i-1][r][k][0]+pos[j]-pos[r]);
                    }
                    if(dp[i-1][r][k][1]+pos[j]+l-pos[k]<=t[j]){
                        dp[i][j][k][0]=min(dp[i][j][k][0],dp[i-1][r][k][1]+pos[j]+l-pos[k]);
                    }
                }
                for(int r=k+1;r<=n;r++){
                    if(dp[i-1][j][r][1]+pos[r]-pos[k]<=t[k]){
                        //if(i==1&&j==0&&k==1) cout<<dp[i-1][j][r][0]+pos[j]+l-pos[k]<<" "<<t[k]<<"\n";
                        dp[i][j][k][1]=min(dp[i][j][k][1],dp[i-1][j][r][1]+pos[r]-pos[k]);
                    }
                    if(dp[i-1][j][r][0]+pos[j]+l-pos[k]<=t[k]){
                        //if(i==1&&j==0&&k==1) cout<<dp[i-1][j][r][0]+pos[j]+l-pos[k]<<" "<<t[k]<<"\n";
                        dp[i][j][k][1]=min(dp[i][j][k][1],dp[i-1][j][r][0]+pos[j]+l-pos[k]);
                    }
                }
                if(dp[i-1][j][0][1]+pos[0]+l-pos[k]<=t[k]){
                    //if(i==1&&j==0&&k==1) cout<<dp[i-1][j][0][0]+pos[j]+l-pos[k]<<" "<<t[k]<<"\n";
                    dp[i][j][k][1]=min(dp[i][j][k][1],dp[i-1][j][0][1]+pos[0]+l-pos[k]);
                }
                if(dp[i-1][j][0][0]+pos[j]+l-pos[k]<=t[k]){
                    //if(i==1&&j==0&&k==1) cout<<"hehe"<<dp[i-1][j][0][0]+pos[j]+l-pos[k]<<" "<<t[k]<<"\n";
                    dp[i][j][k][1]=min(dp[i][j][k][1],dp[i-1][j][0][0]+pos[j]+l-pos[k]);
                }
            }
        }
    }
    for(int i=n;i>=0;i--){
        for(int j=0;j<=n;j++){
            for(int k=0;k<=n;k++){
                for(int r=0;r<=1;r++){
                    if(dp[i][j][k][r]<1e18){
                        cout<<i;
                        return 0;
                    }
                }
            }
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 127308 KB Output is correct
2 Correct 49 ms 127504 KB Output is correct
3 Correct 52 ms 127328 KB Output is correct
4 Correct 50 ms 127308 KB Output is correct
5 Correct 55 ms 127432 KB Output is correct
6 Correct 50 ms 127364 KB Output is correct
7 Correct 52 ms 127416 KB Output is correct
8 Correct 49 ms 127400 KB Output is correct
9 Correct 53 ms 127396 KB Output is correct
10 Correct 51 ms 127432 KB Output is correct
11 Correct 53 ms 127312 KB Output is correct
12 Correct 49 ms 127384 KB Output is correct
13 Correct 57 ms 127352 KB Output is correct
14 Correct 50 ms 127404 KB Output is correct
15 Correct 51 ms 127328 KB Output is correct
16 Correct 48 ms 127384 KB Output is correct
17 Correct 49 ms 127388 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 127308 KB Output is correct
2 Correct 49 ms 127504 KB Output is correct
3 Correct 52 ms 127328 KB Output is correct
4 Correct 50 ms 127308 KB Output is correct
5 Correct 55 ms 127432 KB Output is correct
6 Correct 50 ms 127364 KB Output is correct
7 Correct 52 ms 127416 KB Output is correct
8 Correct 49 ms 127400 KB Output is correct
9 Correct 53 ms 127396 KB Output is correct
10 Correct 51 ms 127432 KB Output is correct
11 Correct 53 ms 127312 KB Output is correct
12 Correct 49 ms 127384 KB Output is correct
13 Correct 57 ms 127352 KB Output is correct
14 Correct 50 ms 127404 KB Output is correct
15 Correct 51 ms 127328 KB Output is correct
16 Correct 48 ms 127384 KB Output is correct
17 Correct 49 ms 127388 KB Output is correct
18 Correct 49 ms 127416 KB Output is correct
19 Correct 50 ms 127408 KB Output is correct
20 Correct 52 ms 127484 KB Output is correct
21 Correct 52 ms 127344 KB Output is correct
22 Correct 59 ms 127328 KB Output is correct
23 Correct 50 ms 127336 KB Output is correct
24 Correct 48 ms 127436 KB Output is correct
25 Correct 49 ms 127308 KB Output is correct
26 Correct 56 ms 127356 KB Output is correct
27 Correct 49 ms 127392 KB Output is correct
28 Correct 49 ms 127400 KB Output is correct
29 Correct 51 ms 127360 KB Output is correct
30 Correct 49 ms 127432 KB Output is correct
31 Correct 49 ms 127332 KB Output is correct
32 Correct 53 ms 127336 KB Output is correct
33 Correct 49 ms 127308 KB Output is correct
34 Correct 55 ms 127316 KB Output is correct
35 Correct 52 ms 127424 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 127308 KB Output is correct
2 Correct 49 ms 127504 KB Output is correct
3 Correct 52 ms 127328 KB Output is correct
4 Correct 50 ms 127308 KB Output is correct
5 Correct 55 ms 127432 KB Output is correct
6 Correct 50 ms 127364 KB Output is correct
7 Correct 52 ms 127416 KB Output is correct
8 Correct 49 ms 127400 KB Output is correct
9 Correct 53 ms 127396 KB Output is correct
10 Correct 51 ms 127432 KB Output is correct
11 Correct 53 ms 127312 KB Output is correct
12 Correct 49 ms 127384 KB Output is correct
13 Correct 57 ms 127352 KB Output is correct
14 Correct 50 ms 127404 KB Output is correct
15 Correct 51 ms 127328 KB Output is correct
16 Correct 48 ms 127384 KB Output is correct
17 Correct 49 ms 127388 KB Output is correct
18 Correct 624 ms 127432 KB Output is correct
19 Correct 270 ms 127436 KB Output is correct
20 Correct 121 ms 127432 KB Output is correct
21 Correct 241 ms 127424 KB Output is correct
22 Correct 354 ms 127424 KB Output is correct
23 Correct 130 ms 127348 KB Output is correct
24 Correct 80 ms 127368 KB Output is correct
25 Correct 111 ms 127424 KB Output is correct
26 Correct 54 ms 127324 KB Output is correct
27 Correct 115 ms 127324 KB Output is correct
28 Correct 76 ms 127428 KB Output is correct
29 Correct 107 ms 127436 KB Output is correct
30 Correct 86 ms 127424 KB Output is correct
31 Correct 99 ms 127360 KB Output is correct
32 Correct 66 ms 127316 KB Output is correct
33 Correct 97 ms 127424 KB Output is correct
34 Correct 56 ms 127396 KB Output is correct
35 Correct 88 ms 127380 KB Output is correct
36 Correct 58 ms 127352 KB Output is correct
37 Correct 103 ms 127424 KB Output is correct
38 Correct 65 ms 127428 KB Output is correct
39 Correct 97 ms 127476 KB Output is correct
40 Correct 66 ms 127344 KB Output is correct
41 Correct 876 ms 127532 KB Output is correct
42 Correct 397 ms 127432 KB Output is correct
43 Correct 889 ms 127428 KB Output is correct
44 Correct 393 ms 127432 KB Output is correct
45 Correct 907 ms 127512 KB Output is correct
46 Correct 439 ms 127428 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 127308 KB Output is correct
2 Correct 49 ms 127504 KB Output is correct
3 Correct 52 ms 127328 KB Output is correct
4 Correct 50 ms 127308 KB Output is correct
5 Correct 55 ms 127432 KB Output is correct
6 Correct 50 ms 127364 KB Output is correct
7 Correct 52 ms 127416 KB Output is correct
8 Correct 49 ms 127400 KB Output is correct
9 Correct 53 ms 127396 KB Output is correct
10 Correct 51 ms 127432 KB Output is correct
11 Correct 53 ms 127312 KB Output is correct
12 Correct 49 ms 127384 KB Output is correct
13 Correct 57 ms 127352 KB Output is correct
14 Correct 50 ms 127404 KB Output is correct
15 Correct 51 ms 127328 KB Output is correct
16 Correct 48 ms 127384 KB Output is correct
17 Correct 49 ms 127388 KB Output is correct
18 Correct 49 ms 127416 KB Output is correct
19 Correct 50 ms 127408 KB Output is correct
20 Correct 52 ms 127484 KB Output is correct
21 Correct 52 ms 127344 KB Output is correct
22 Correct 59 ms 127328 KB Output is correct
23 Correct 50 ms 127336 KB Output is correct
24 Correct 48 ms 127436 KB Output is correct
25 Correct 49 ms 127308 KB Output is correct
26 Correct 56 ms 127356 KB Output is correct
27 Correct 49 ms 127392 KB Output is correct
28 Correct 49 ms 127400 KB Output is correct
29 Correct 51 ms 127360 KB Output is correct
30 Correct 49 ms 127432 KB Output is correct
31 Correct 49 ms 127332 KB Output is correct
32 Correct 53 ms 127336 KB Output is correct
33 Correct 49 ms 127308 KB Output is correct
34 Correct 55 ms 127316 KB Output is correct
35 Correct 52 ms 127424 KB Output is correct
36 Correct 624 ms 127432 KB Output is correct
37 Correct 270 ms 127436 KB Output is correct
38 Correct 121 ms 127432 KB Output is correct
39 Correct 241 ms 127424 KB Output is correct
40 Correct 354 ms 127424 KB Output is correct
41 Correct 130 ms 127348 KB Output is correct
42 Correct 80 ms 127368 KB Output is correct
43 Correct 111 ms 127424 KB Output is correct
44 Correct 54 ms 127324 KB Output is correct
45 Correct 115 ms 127324 KB Output is correct
46 Correct 76 ms 127428 KB Output is correct
47 Correct 107 ms 127436 KB Output is correct
48 Correct 86 ms 127424 KB Output is correct
49 Correct 99 ms 127360 KB Output is correct
50 Correct 66 ms 127316 KB Output is correct
51 Correct 97 ms 127424 KB Output is correct
52 Correct 56 ms 127396 KB Output is correct
53 Correct 88 ms 127380 KB Output is correct
54 Correct 58 ms 127352 KB Output is correct
55 Correct 103 ms 127424 KB Output is correct
56 Correct 65 ms 127428 KB Output is correct
57 Correct 97 ms 127476 KB Output is correct
58 Correct 66 ms 127344 KB Output is correct
59 Correct 876 ms 127532 KB Output is correct
60 Correct 397 ms 127432 KB Output is correct
61 Correct 889 ms 127428 KB Output is correct
62 Correct 393 ms 127432 KB Output is correct
63 Correct 907 ms 127512 KB Output is correct
64 Correct 439 ms 127428 KB Output is correct
65 Correct 715 ms 127436 KB Output is correct
66 Correct 605 ms 127432 KB Output is correct
67 Correct 574 ms 127428 KB Output is correct
68 Correct 472 ms 127436 KB Output is correct
69 Correct 754 ms 127432 KB Output is correct
70 Correct 1008 ms 127432 KB Output is correct
71 Correct 622 ms 127436 KB Output is correct
72 Correct 969 ms 127436 KB Output is correct
73 Correct 554 ms 127440 KB Output is correct
74 Correct 746 ms 127436 KB Output is correct
75 Correct 587 ms 127440 KB Output is correct
76 Correct 945 ms 127436 KB Output is correct
77 Correct 741 ms 127432 KB Output is correct
78 Correct 583 ms 127544 KB Output is correct
79 Correct 538 ms 127532 KB Output is correct
80 Correct 971 ms 127436 KB Output is correct
81 Correct 516 ms 127440 KB Output is correct
82 Correct 589 ms 127496 KB Output is correct
83 Correct 767 ms 127440 KB Output is correct
84 Correct 718 ms 127432 KB Output is correct
85 Correct 714 ms 127436 KB Output is correct
86 Correct 694 ms 127436 KB Output is correct
87 Correct 606 ms 127436 KB Output is correct
88 Correct 1128 ms 127432 KB Output is correct
89 Correct 939 ms 127432 KB Output is correct
90 Correct 596 ms 127432 KB Output is correct
91 Correct 1026 ms 127440 KB Output is correct
92 Correct 882 ms 127440 KB Output is correct
93 Correct 783 ms 127432 KB Output is correct