oj.uz

Submission #52162

# Submission time Handle Problem Language Result Execution time Memory
52162 2018-06-24T11:20:04 Z WLZ Dango Maker (JOI18_dango_maker) C++17
100 / 100
 831 ms 111716 KB 
#include <iostream>
#include <vector>

using namespace std;

int h, w;
vector<string> s;

int solve(int y, int x) {
  vector<int> v;
  for (int k = 0; y - k >= 0 && x + k < w; k++) {
    int i = y - k;
    int j = x + k;
    if (s[i][j] != 'G') {
      v.push_back(0);
      continue;
    }
    int a = 0;
    if (j > 0 && j + 1 < w && s[i][j - 1] == 'R' && s[i][j + 1] == 'W') {
      a++;
    }
    if (i > 0 && i + 1 < h && s[i - 1][j] == 'R' && s[i + 1][j] == 'W') {
      a += 2;
    }
    v.push_back(a);
  }
  vector<vector<int>> dp((int) v.size() + 1, vector<int>(2, 0));
  for (int i = 0; i < (int) v.size(); i++) {
    for (int j = 0; j < 2; j++) {
      for (int k = 0; k < 2; k++) {
        int tmp = dp[i][j];
        if ((v[i] >> k & 1) && j == k) {
          tmp++;
        }
        dp[i + 1][k] = max(dp[i + 1][k], tmp);
      }
    }
  }
  return max(dp[(int) v.size()][0], dp[(int) v.size()][1]);
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> h >> w;
  s = vector<string>(h);
  for (int i = 0; i < h; i++) {
    cin >> s[i];
  }
  int ans = 0;
  for (int i = 0; i < h; i++) {
    ans += solve(i, 0);
  }
  for (int i = 1; i < w; i++) {
    ans += solve(h - 1, i);
  }
  cout << ans << '\n';
  return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 692 KB Output is correct
7 Correct 3 ms 808 KB Output is correct
8 Correct 2 ms 808 KB Output is correct
9 Correct 3 ms 808 KB Output is correct
10 Correct 3 ms 808 KB Output is correct
11 Correct 3 ms 808 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 3 ms 900 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 3 ms 900 KB Output is correct
16 Correct 2 ms 900 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 692 KB Output is correct
7 Correct 3 ms 808 KB Output is correct
8 Correct 2 ms 808 KB Output is correct
9 Correct 3 ms 808 KB Output is correct
10 Correct 3 ms 808 KB Output is correct
11 Correct 3 ms 808 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 3 ms 900 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 3 ms 900 KB Output is correct
16 Correct 2 ms 900 KB Output is correct
17 Correct 3 ms 916 KB Output is correct
18 Correct 2 ms 916 KB Output is correct
19 Correct 3 ms 916 KB Output is correct
20 Correct 2 ms 916 KB Output is correct
21 Correct 3 ms 916 KB Output is correct
22 Correct 2 ms 916 KB Output is correct
23 Correct 2 ms 916 KB Output is correct
24 Correct 3 ms 916 KB Output is correct
25 Correct 2 ms 956 KB Output is correct
26 Correct 2 ms 956 KB Output is correct
27 Correct 3 ms 956 KB Output is correct
28 Correct 3 ms 956 KB Output is correct
29 Correct 2 ms 964 KB Output is correct
30 Correct 2 ms 964 KB Output is correct
31 Correct 2 ms 964 KB Output is correct
32 Correct 3 ms 964 KB Output is correct
33 Correct 2 ms 976 KB Output is correct
34 Correct 2 ms 976 KB Output is correct
35 Correct 2 ms 976 KB Output is correct
36 Correct 2 ms 976 KB Output is correct
37 Correct 2 ms 976 KB Output is correct
38 Correct 3 ms 976 KB Output is correct
39 Correct 3 ms 976 KB Output is correct
40 Correct 2 ms 976 KB Output is correct
41 Correct 2 ms 976 KB Output is correct
42 Correct 2 ms 976 KB Output is correct
43 Correct 2 ms 976 KB Output is correct
44 Correct 2 ms 976 KB Output is correct
45 Correct 2 ms 976 KB Output is correct
46 Correct 3 ms 976 KB Output is correct
47 Correct 2 ms 976 KB Output is correct
48 Correct 2 ms 976 KB Output is correct
49 Correct 2 ms 976 KB Output is correct
50 Correct 3 ms 1064 KB Output is correct
51 Correct 3 ms 1064 KB Output is correct
52 Correct 3 ms 1064 KB Output is correct
53 Correct 2 ms 1064 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 608 KB Output is correct
4 Correct 2 ms 608 KB Output is correct
5 Correct 3 ms 632 KB Output is correct
6 Correct 3 ms 692 KB Output is correct
7 Correct 3 ms 808 KB Output is correct
8 Correct 2 ms 808 KB Output is correct
9 Correct 3 ms 808 KB Output is correct
10 Correct 3 ms 808 KB Output is correct
11 Correct 3 ms 808 KB Output is correct
12 Correct 2 ms 888 KB Output is correct
13 Correct 3 ms 900 KB Output is correct
14 Correct 2 ms 900 KB Output is correct
15 Correct 3 ms 900 KB Output is correct
16 Correct 2 ms 900 KB Output is correct
17 Correct 3 ms 916 KB Output is correct
18 Correct 2 ms 916 KB Output is correct
19 Correct 3 ms 916 KB Output is correct
20 Correct 2 ms 916 KB Output is correct
21 Correct 3 ms 916 KB Output is correct
22 Correct 2 ms 916 KB Output is correct
23 Correct 2 ms 916 KB Output is correct
24 Correct 3 ms 916 KB Output is correct
25 Correct 2 ms 956 KB Output is correct
26 Correct 2 ms 956 KB Output is correct
27 Correct 3 ms 956 KB Output is correct
28 Correct 3 ms 956 KB Output is correct
29 Correct 2 ms 964 KB Output is correct
30 Correct 2 ms 964 KB Output is correct
31 Correct 2 ms 964 KB Output is correct
32 Correct 3 ms 964 KB Output is correct
33 Correct 2 ms 976 KB Output is correct
34 Correct 2 ms 976 KB Output is correct
35 Correct 2 ms 976 KB Output is correct
36 Correct 2 ms 976 KB Output is correct
37 Correct 2 ms 976 KB Output is correct
38 Correct 3 ms 976 KB Output is correct
39 Correct 3 ms 976 KB Output is correct
40 Correct 2 ms 976 KB Output is correct
41 Correct 2 ms 976 KB Output is correct
42 Correct 2 ms 976 KB Output is correct
43 Correct 2 ms 976 KB Output is correct
44 Correct 2 ms 976 KB Output is correct
45 Correct 2 ms 976 KB Output is correct
46 Correct 3 ms 976 KB Output is correct
47 Correct 2 ms 976 KB Output is correct
48 Correct 2 ms 976 KB Output is correct
49 Correct 2 ms 976 KB Output is correct
50 Correct 3 ms 1064 KB Output is correct
51 Correct 3 ms 1064 KB Output is correct
52 Correct 3 ms 1064 KB Output is correct
53 Correct 2 ms 1064 KB Output is correct
54 Correct 4 ms 1064 KB Output is correct
55 Correct 4 ms 1064 KB Output is correct
56 Correct 4 ms 1064 KB Output is correct
57 Correct 5 ms 1064 KB Output is correct
58 Correct 127 ms 3088 KB Output is correct
59 Correct 831 ms 20848 KB Output is correct
60 Correct 808 ms 29700 KB Output is correct
61 Correct 822 ms 38512 KB Output is correct
62 Correct 4 ms 38512 KB Output is correct
63 Correct 744 ms 46724 KB Output is correct
64 Correct 736 ms 55832 KB Output is correct
65 Correct 661 ms 64684 KB Output is correct
66 Correct 787 ms 73596 KB Output is correct
67 Correct 698 ms 82424 KB Output is correct
68 Correct 716 ms 91168 KB Output is correct
69 Correct 704 ms 99984 KB Output is correct
70 Correct 73 ms 99984 KB Output is correct
71 Correct 72 ms 99984 KB Output is correct
72 Correct 71 ms 99984 KB Output is correct
73 Correct 80 ms 99984 KB Output is correct
74 Correct 84 ms 99984 KB Output is correct
75 Correct 77 ms 99984 KB Output is correct
76 Correct 71 ms 99984 KB Output is correct
77 Correct 71 ms 99984 KB Output is correct
78 Correct 72 ms 99984 KB Output is correct
79 Correct 70 ms 100836 KB Output is correct
80 Correct 71 ms 101816 KB Output is correct
81 Correct 76 ms 102856 KB Output is correct
82 Correct 71 ms 103708 KB Output is correct
83 Correct 86 ms 104880 KB Output is correct
84 Correct 69 ms 105728 KB Output is correct
85 Correct 71 ms 106708 KB Output is correct
86 Correct 69 ms 107688 KB Output is correct
87 Correct 78 ms 108732 KB Output is correct
88 Correct 71 ms 109648 KB Output is correct
89 Correct 82 ms 110700 KB Output is correct
90 Correct 74 ms 111716 KB Output is correct