oj.uz

Submission #201585

# Submission time Handle Problem Language Result Execution time Memory
201585 2020-02-11T08:56:47 Z theStaticMind Collecting Stamps 3 (JOI20_ho_t3) C++14
100 / 100
 121 ms 128300 KB 
#include<bits/stdc++.h>
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;

int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
//      freopen("q.gir","r",stdin);
//      freopen("q.cik","w",stdout);
      int n, L, ans = 0;
      cin >> n >> L;
      vector<int> X(n + 1),T(n + 1);
      X[0] = 0;
      T[0] = 0;
      for(int i = 1; i <= n; i++)cin >> X[i];
      for(int i = 1; i <= n; i++)cin >> T[i];
      X.pb(L);
      T.pb(0);
      int dp[n + 1][n + 2][n + 1][2];
      for(int i = 0; i <= n; i++){
            for(int j = 0; j <= n + 1; j++){
                  for(int k = 0; k <= n; k++){
                        if(k == 0 && i == 0 && j == n + 1)dp[i][j][k][0] = dp[i][j][k][1] = 0;
                        else dp[i][j][k][0] = dp[i][j][k][1] = INF;
                  }
            }
      }
      for(int cw = 0; cw <= n; cw++){
            for(int ccw = n + 1; ccw > cw; ccw--){
                  for(int cnt = 0; cnt <= n; cnt++){

                        int cwT1 = INF, cwT2 = INF, ccwT1 = INF, ccwT2 = INF, cwT, ccwT;
                        if(cnt > 0){
                              if(cw != 0)cwT1 = dp[cw - 1][ccw][cnt - 1][1] + (X[cw] - X[cw - 1]);
                              if(cw != 0)cwT2 = dp[cw - 1][ccw][cnt - 1][0] + (L - X[ccw] + X[cw]);
                              if(ccw != n + 1)ccwT1 = dp[cw][ccw + 1][cnt - 1][1] + (X[cw] + L - X[ccw]);
                              if(ccw != n + 1)ccwT2 = dp[cw][ccw + 1][cnt - 1][0] + (X[ccw + 1] - X[ccw]);
                              cwT = min(cwT1, cwT2);
                              ccwT = min(ccwT1, ccwT2);
                              if(T[cw] >= cwT) dp[cw][ccw][cnt][1] = min(dp[cw][ccw][cnt][1], cwT);
                              if(T[ccw] >= ccwT) dp[cw][ccw][cnt][0] = min(dp[cw][ccw][cnt][0], ccwT);
                        }



                        cwT1 = INF, cwT2 = INF, ccwT1 = INF, ccwT2 = INF;
                        if(cw != 0)cwT1 = dp[cw - 1][ccw][cnt][1] + (X[cw] - X[cw - 1]);
                        if(cw != 0)cwT2 = dp[cw - 1][ccw][cnt][0] + (L - X[ccw] + X[cw]);
                        if(ccw != n + 1)ccwT1 = dp[cw][ccw + 1][cnt][1] + (X[cw] + L - X[ccw]);
                        if(ccw != n + 1)ccwT2 = dp[cw][ccw + 1][cnt][0] + (X[ccw + 1] - X[ccw]);
                        cwT = min(cwT1, cwT2);
                        ccwT =  min(ccwT1, ccwT2);
                        dp[cw][ccw][cnt][1] = min(dp[cw][ccw][cnt][1], cwT);
                        dp[cw][ccw][cnt][0] = min(dp[cw][ccw][cnt][0], ccwT);
                  }
            }
      }
      for(int i = 0; i <= n; i++){
            for(int j = n + 1; j > i; j--){
                  for(int k = 0; k <= n; k++){
                        for(int q = 0; q < 2; q++){

                              if(dp[i][j][k][q] < 1e15) ans = max(ans, k);
                        }

                  }
            }
      }
      cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 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 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 248 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 380 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 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 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 248 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 380 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 380 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 4 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 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 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 248 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 380 KB Output is correct
18 Correct 87 ms 92152 KB Output is correct
19 Correct 44 ms 43768 KB Output is correct
20 Correct 22 ms 17144 KB Output is correct
21 Correct 41 ms 40056 KB Output is correct
22 Correct 58 ms 59000 KB Output is correct
23 Correct 18 ms 13432 KB Output is correct
24 Correct 13 ms 9336 KB Output is correct
25 Correct 18 ms 13048 KB Output is correct
26 Correct 7 ms 3320 KB Output is correct
27 Correct 19 ms 13944 KB Output is correct
28 Correct 12 ms 8440 KB Output is correct
29 Correct 19 ms 14328 KB Output is correct
30 Correct 14 ms 10104 KB Output is correct
31 Correct 17 ms 13048 KB Output is correct
32 Correct 9 ms 5112 KB Output is correct
33 Correct 17 ms 13048 KB Output is correct
34 Correct 7 ms 2940 KB Output is correct
35 Correct 18 ms 12792 KB Output is correct
36 Correct 10 ms 4344 KB Output is correct
37 Correct 24 ms 13820 KB Output is correct
38 Correct 9 ms 5752 KB Output is correct
39 Correct 18 ms 14712 KB Output is correct
40 Correct 10 ms 6776 KB Output is correct
41 Correct 120 ms 126200 KB Output is correct
42 Correct 69 ms 69860 KB Output is correct
43 Correct 115 ms 126200 KB Output is correct
44 Correct 67 ms 68600 KB Output is correct
45 Correct 114 ms 126200 KB Output is correct
46 Correct 73 ms 69880 KB Output is correct

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 376 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 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 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 248 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 380 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 5 ms 380 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 376 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 376 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 4 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 87 ms 92152 KB Output is correct
37 Correct 44 ms 43768 KB Output is correct
38 Correct 22 ms 17144 KB Output is correct
39 Correct 41 ms 40056 KB Output is correct
40 Correct 58 ms 59000 KB Output is correct
41 Correct 18 ms 13432 KB Output is correct
42 Correct 13 ms 9336 KB Output is correct
43 Correct 18 ms 13048 KB Output is correct
44 Correct 7 ms 3320 KB Output is correct
45 Correct 19 ms 13944 KB Output is correct
46 Correct 12 ms 8440 KB Output is correct
47 Correct 19 ms 14328 KB Output is correct
48 Correct 14 ms 10104 KB Output is correct
49 Correct 17 ms 13048 KB Output is correct
50 Correct 9 ms 5112 KB Output is correct
51 Correct 17 ms 13048 KB Output is correct
52 Correct 7 ms 2940 KB Output is correct
53 Correct 18 ms 12792 KB Output is correct
54 Correct 10 ms 4344 KB Output is correct
55 Correct 24 ms 13820 KB Output is correct
56 Correct 9 ms 5752 KB Output is correct
57 Correct 18 ms 14712 KB Output is correct
58 Correct 10 ms 6776 KB Output is correct
59 Correct 120 ms 126200 KB Output is correct
60 Correct 69 ms 69860 KB Output is correct
61 Correct 115 ms 126200 KB Output is correct
62 Correct 67 ms 68600 KB Output is correct
63 Correct 114 ms 126200 KB Output is correct
64 Correct 73 ms 69880 KB Output is correct
65 Correct 99 ms 108280 KB Output is correct
66 Correct 89 ms 95292 KB Output is correct
67 Correct 83 ms 89080 KB Output is correct
68 Correct 77 ms 79096 KB Output is correct
69 Correct 97 ms 106616 KB Output is correct
70 Correct 94 ms 99960 KB Output is correct
71 Correct 96 ms 101624 KB Output is correct
72 Correct 98 ms 103288 KB Output is correct
73 Correct 85 ms 92280 KB Output is correct
74 Correct 80 ms 83320 KB Output is correct
75 Correct 92 ms 96888 KB Output is correct
76 Correct 114 ms 118904 KB Output is correct
77 Correct 110 ms 118776 KB Output is correct
78 Correct 78 ms 80544 KB Output is correct
79 Correct 80 ms 84856 KB Output is correct
80 Correct 107 ms 115192 KB Output is correct
81 Correct 82 ms 86136 KB Output is correct
82 Correct 86 ms 93688 KB Output is correct
83 Correct 114 ms 126292 KB Output is correct
84 Correct 97 ms 100088 KB Output is correct
85 Correct 105 ms 113528 KB Output is correct
86 Correct 105 ms 110200 KB Output is correct
87 Correct 88 ms 96888 KB Output is correct
88 Correct 116 ms 128300 KB Output is correct
89 Correct 121 ms 128120 KB Output is correct
90 Correct 91 ms 98424 KB Output is correct
91 Correct 115 ms 128120 KB Output is correct
92 Correct 114 ms 128120 KB Output is correct
93 Correct 111 ms 124280 KB Output is correct