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Submission #233979

# Submission time Handle Problem Language Result Execution time Memory
233979 2020-05-22T14:57:46 Z WannnabeIOI Visiting Singapore (NOI20_visitingsingapore) C++14
100 / 100
 183 ms 760 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int mn = -2e9;
 
int K, M, N, A, B;
int V[1005], S[5005], T[5005]; 
int dp[5][5005][5];
 
int main() {
  ios_base::sync_with_stdio(false); 
  cin.tie (NULL); 
  cout.tie (NULL); 
//  freopen("inp", "r", stdin);
  scanf("%d %d %d %d %d", &K, &N, &M, &A, &B);
  for(int i = 1; i <= K; i++) scanf("%d", &V[i]);
  for(int i = 1; i <= N; i++) scanf("%d", &S[i]);
  for(int i = 1; i <= M; i++) scanf("%d", &T[i]);
  for(int i = 0; i <= M; i++) {
    for(int j = 1; j <= 4; j++) {
      dp[0][i][j] = mn;
    }
  }
  int ans = A + M * B;
  for(int i = 1; i <= N; i++) {
    int now = i % 2, bef = !now;
    for(int k = 1; k <= 4; k++) dp[now][0][k] = mn;
    for(int j = 1; j <= M; j++) {
      if(S[i] == T[j]) {
        int opt = (j == 1 ? 0 : (A + (j - 1) * B));
        for(int k = 1; k <= 4; k++) {
          opt = max(opt, dp[bef][j - 1][k]);
        }
        dp[now][j][4] = opt + V[S[i]];
      }else {
        dp[now][j][4] = mn;
      }
      //if you don't take T[j - 1] beforehand
      dp[now][j][2] = max(dp[now][j - 1][2] + B, dp[now][j - 1][4] + A + B);
      dp[now][j][3] = max(dp[bef][j][3] + B, dp[bef][j][4] + A + B);
      dp[now][j][1] = max(dp[now][j - 1][3] + A + B, max(dp[now][j - 1][1] + B, 2*A + (j + 1)*B));
    }
    for(int k = 1; k <= 4; k++) {
//      cout << i << " " << k << " " << dp[now][M][k] << "\n";
      ans = max(ans, dp[now][M][k]);
    }
  }
  printf("%d\n", ans);
}

Compilation message

VisitingSingapore.cpp: In function 'int main()':
VisitingSingapore.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d %d", &K, &N, &M, &A, &B);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
VisitingSingapore.cpp:16:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i = 1; i <= K; i++) scanf("%d", &V[i]);
                               ~~~~~^~~~~~~~~~~~~
VisitingSingapore.cpp:17:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i = 1; i <= N; i++) scanf("%d", &S[i]);
                               ~~~~~^~~~~~~~~~~~~
VisitingSingapore.cpp:18:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i = 1; i <= M; i++) scanf("%d", &T[i]);
                               ~~~~~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 11 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 8 ms 384 KB Output is correct
10 Correct 12 ms 384 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 7 ms 384 KB Output is correct
6 Correct 8 ms 384 KB Output is correct
7 Correct 9 ms 384 KB Output is correct
8 Correct 10 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 12 ms 384 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 512 KB Output is correct
2 Correct 10 ms 384 KB Output is correct
3 Correct 49 ms 512 KB Output is correct
4 Correct 114 ms 640 KB Output is correct
5 Correct 37 ms 640 KB Output is correct
6 Correct 51 ms 512 KB Output is correct
7 Correct 91 ms 512 KB Output is correct
8 Correct 34 ms 512 KB Output is correct
9 Correct 59 ms 512 KB Output is correct
10 Correct 140 ms 640 KB Output is correct
11 Correct 142 ms 760 KB Output is correct
12 Correct 143 ms 640 KB Output is correct
13 Correct 138 ms 640 KB Output is correct
14 Correct 179 ms 640 KB Output is correct
15 Correct 179 ms 760 KB Output is correct

Subtask #4
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 512 KB Output is correct
2 Correct 10 ms 384 KB Output is correct
3 Correct 49 ms 512 KB Output is correct
4 Correct 114 ms 640 KB Output is correct
5 Correct 37 ms 640 KB Output is correct
6 Correct 51 ms 512 KB Output is correct
7 Correct 91 ms 512 KB Output is correct
8 Correct 34 ms 512 KB Output is correct
9 Correct 59 ms 512 KB Output is correct
10 Correct 140 ms 640 KB Output is correct
11 Correct 142 ms 760 KB Output is correct
12 Correct 143 ms 640 KB Output is correct
13 Correct 138 ms 640 KB Output is correct
14 Correct 179 ms 640 KB Output is correct
15 Correct 179 ms 760 KB Output is correct
16 Correct 75 ms 632 KB Output is correct
17 Correct 90 ms 512 KB Output is correct
18 Correct 81 ms 512 KB Output is correct
19 Correct 20 ms 512 KB Output is correct
20 Correct 58 ms 512 KB Output is correct
21 Correct 8 ms 384 KB Output is correct
22 Correct 22 ms 512 KB Output is correct
23 Correct 38 ms 512 KB Output is correct
24 Correct 17 ms 384 KB Output is correct
25 Correct 140 ms 640 KB Output is correct
26 Correct 139 ms 760 KB Output is correct
27 Correct 140 ms 640 KB Output is correct
28 Correct 139 ms 640 KB Output is correct
29 Correct 176 ms 640 KB Output is correct
30 Correct 178 ms 760 KB Output is correct

Subtask #5
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 512 KB Output is correct
2 Correct 10 ms 384 KB Output is correct
3 Correct 49 ms 512 KB Output is correct
4 Correct 114 ms 640 KB Output is correct
5 Correct 37 ms 640 KB Output is correct
6 Correct 51 ms 512 KB Output is correct
7 Correct 91 ms 512 KB Output is correct
8 Correct 34 ms 512 KB Output is correct
9 Correct 59 ms 512 KB Output is correct
10 Correct 140 ms 640 KB Output is correct
11 Correct 142 ms 760 KB Output is correct
12 Correct 143 ms 640 KB Output is correct
13 Correct 138 ms 640 KB Output is correct
14 Correct 179 ms 640 KB Output is correct
15 Correct 179 ms 760 KB Output is correct
16 Correct 118 ms 632 KB Output is correct
17 Correct 58 ms 512 KB Output is correct
18 Correct 21 ms 640 KB Output is correct
19 Correct 9 ms 384 KB Output is correct
20 Correct 7 ms 512 KB Output is correct
21 Correct 8 ms 512 KB Output is correct
22 Correct 57 ms 512 KB Output is correct
23 Correct 15 ms 384 KB Output is correct
24 Correct 98 ms 512 KB Output is correct
25 Correct 140 ms 640 KB Output is correct
26 Correct 143 ms 640 KB Output is correct
27 Correct 141 ms 664 KB Output is correct
28 Correct 139 ms 640 KB Output is correct
29 Correct 178 ms 640 KB Output is correct
30 Correct 182 ms 640 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct

Subtask #7
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 11 ms 256 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 8 ms 384 KB Output is correct
10 Correct 12 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 6 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 7 ms 384 KB Output is correct
16 Correct 8 ms 384 KB Output is correct
17 Correct 9 ms 384 KB Output is correct
18 Correct 10 ms 384 KB Output is correct
19 Correct 6 ms 384 KB Output is correct
20 Correct 12 ms 384 KB Output is correct
21 Correct 18 ms 512 KB Output is correct
22 Correct 10 ms 384 KB Output is correct
23 Correct 49 ms 512 KB Output is correct
24 Correct 114 ms 640 KB Output is correct
25 Correct 37 ms 640 KB Output is correct
26 Correct 51 ms 512 KB Output is correct
27 Correct 91 ms 512 KB Output is correct
28 Correct 34 ms 512 KB Output is correct
29 Correct 59 ms 512 KB Output is correct
30 Correct 140 ms 640 KB Output is correct
31 Correct 142 ms 760 KB Output is correct
32 Correct 143 ms 640 KB Output is correct
33 Correct 138 ms 640 KB Output is correct
34 Correct 179 ms 640 KB Output is correct
35 Correct 179 ms 760 KB Output is correct
36 Correct 75 ms 632 KB Output is correct
37 Correct 90 ms 512 KB Output is correct
38 Correct 81 ms 512 KB Output is correct
39 Correct 20 ms 512 KB Output is correct
40 Correct 58 ms 512 KB Output is correct
41 Correct 8 ms 384 KB Output is correct
42 Correct 22 ms 512 KB Output is correct
43 Correct 38 ms 512 KB Output is correct
44 Correct 17 ms 384 KB Output is correct
45 Correct 140 ms 640 KB Output is correct
46 Correct 139 ms 760 KB Output is correct
47 Correct 140 ms 640 KB Output is correct
48 Correct 139 ms 640 KB Output is correct
49 Correct 176 ms 640 KB Output is correct
50 Correct 178 ms 760 KB Output is correct
51 Correct 118 ms 632 KB Output is correct
52 Correct 58 ms 512 KB Output is correct
53 Correct 21 ms 640 KB Output is correct
54 Correct 9 ms 384 KB Output is correct
55 Correct 7 ms 512 KB Output is correct
56 Correct 8 ms 512 KB Output is correct
57 Correct 57 ms 512 KB Output is correct
58 Correct 15 ms 384 KB Output is correct
59 Correct 98 ms 512 KB Output is correct
60 Correct 140 ms 640 KB Output is correct
61 Correct 143 ms 640 KB Output is correct
62 Correct 141 ms 664 KB Output is correct
63 Correct 139 ms 640 KB Output is correct
64 Correct 178 ms 640 KB Output is correct
65 Correct 182 ms 640 KB Output is correct
66 Correct 5 ms 384 KB Output is correct
67 Correct 4 ms 384 KB Output is correct
68 Correct 5 ms 384 KB Output is correct
69 Correct 5 ms 384 KB Output is correct
70 Correct 5 ms 384 KB Output is correct
71 Correct 5 ms 512 KB Output is correct
72 Correct 5 ms 384 KB Output is correct
73 Correct 5 ms 384 KB Output is correct
74 Correct 5 ms 384 KB Output is correct
75 Correct 5 ms 384 KB Output is correct
76 Correct 5 ms 384 KB Output is correct
77 Correct 5 ms 384 KB Output is correct
78 Correct 5 ms 384 KB Output is correct
79 Correct 5 ms 384 KB Output is correct
80 Correct 5 ms 384 KB Output is correct
81 Correct 115 ms 632 KB Output is correct
82 Correct 30 ms 512 KB Output is correct
83 Correct 52 ms 512 KB Output is correct
84 Correct 31 ms 512 KB Output is correct
85 Correct 48 ms 512 KB Output is correct
86 Correct 41 ms 512 KB Output is correct
87 Correct 11 ms 416 KB Output is correct
88 Correct 9 ms 384 KB Output is correct
89 Correct 20 ms 512 KB Output is correct
90 Correct 156 ms 640 KB Output is correct
91 Correct 139 ms 640 KB Output is correct
92 Correct 142 ms 640 KB Output is correct
93 Correct 139 ms 640 KB Output is correct
94 Correct 142 ms 640 KB Output is correct
95 Correct 140 ms 640 KB Output is correct
96 Correct 143 ms 640 KB Output is correct
97 Correct 144 ms 640 KB Output is correct
98 Correct 180 ms 760 KB Output is correct
99 Correct 183 ms 640 KB Output is correct
100 Correct 179 ms 640 KB Output is correct