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Submission #1096878

# Submission time Handle Problem Language Result Execution time Memory
1096878 2024-10-05T10:33:07 Z Lakshya108 Dango Maker (JOI18_dango_maker) C++14
100 / 100
 218 ms 72948 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef vector<int> vec;
const ll mxn = 1e6 + 5;
const int INF = 1e9 + 9;

void solve() {
    ll n, m;
    cin >> n >> m;
    
    vector<vector<char>> a(n+1, vector<char>(m+1));
    vector<vec> dp(mxn, vec(3, 0));

    for (ll i = 1; i <= n; i++) {
        for (ll j = 1; j <= m; j++) {
            cin >> a[i][j];
        }
    }

    ll ans = 0;

    for (ll k = 2; k <= n + m; k++) {
        for (ll i = 0; i <= n; i++)
            for (ll j = 0; j < 3; j++)
                dp[i][j] = 0;

        ll j = min(k - 1, m), i = k - j;
        int cnt = 0;

        while (i <= n && j >= 1 && j <= m) {
            dp[i][0] = max({dp[i - 1][0], dp[i - 1][1], dp[i - 1][2]});

            if (j > 1 && j < m && a[i][j] == 'G' && a[i][j - 1] == 'R' && a[i][j + 1] == 'W') {
                dp[i][1] = max(dp[i - 1][0], dp[i - 1][1]) + 1;
            }
            if (i > 1 && i < n && a[i][j] == 'G' && a[i - 1][j] == 'R' && a[i + 1][j] == 'W') {
                dp[i][2] = max(dp[i - 1][0], dp[i - 1][2]) + 1;
            }

            i++; j--;
        }

        ans += max({dp[i - 1][0], dp[i - 1][1], dp[i - 1][2]});
    }

    cout << ans << endl;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    solve();
    return 0;
}

Compilation message

dango_maker.cpp: In function 'void solve()':
dango_maker.cpp:30:13: warning: unused variable 'cnt' [-Wunused-variable]
   30 |         int cnt = 0;
      |             ^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 55000 KB Output is correct
2 Correct 42 ms 55008 KB Output is correct
3 Correct 47 ms 55120 KB Output is correct
4 Correct 43 ms 55124 KB Output is correct
5 Correct 44 ms 55128 KB Output is correct
6 Correct 43 ms 55128 KB Output is correct
7 Correct 44 ms 55124 KB Output is correct
8 Correct 49 ms 55120 KB Output is correct
9 Correct 44 ms 55120 KB Output is correct
10 Correct 46 ms 55216 KB Output is correct
11 Correct 48 ms 55120 KB Output is correct
12 Correct 42 ms 55124 KB Output is correct
13 Correct 45 ms 55124 KB Output is correct
14 Correct 45 ms 55008 KB Output is correct
15 Correct 52 ms 55124 KB Output is correct
16 Correct 47 ms 55212 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 55000 KB Output is correct
2 Correct 42 ms 55008 KB Output is correct
3 Correct 47 ms 55120 KB Output is correct
4 Correct 43 ms 55124 KB Output is correct
5 Correct 44 ms 55128 KB Output is correct
6 Correct 43 ms 55128 KB Output is correct
7 Correct 44 ms 55124 KB Output is correct
8 Correct 49 ms 55120 KB Output is correct
9 Correct 44 ms 55120 KB Output is correct
10 Correct 46 ms 55216 KB Output is correct
11 Correct 48 ms 55120 KB Output is correct
12 Correct 42 ms 55124 KB Output is correct
13 Correct 45 ms 55124 KB Output is correct
14 Correct 45 ms 55008 KB Output is correct
15 Correct 52 ms 55124 KB Output is correct
16 Correct 47 ms 55212 KB Output is correct
17 Correct 44 ms 55132 KB Output is correct
18 Correct 45 ms 55096 KB Output is correct
19 Correct 45 ms 55120 KB Output is correct
20 Correct 40 ms 55124 KB Output is correct
21 Correct 42 ms 55124 KB Output is correct
22 Correct 43 ms 55120 KB Output is correct
23 Correct 39 ms 55108 KB Output is correct
24 Correct 40 ms 55120 KB Output is correct
25 Correct 40 ms 55116 KB Output is correct
26 Correct 40 ms 55124 KB Output is correct
27 Correct 50 ms 55172 KB Output is correct
28 Correct 40 ms 55212 KB Output is correct
29 Correct 40 ms 55132 KB Output is correct
30 Correct 39 ms 55124 KB Output is correct
31 Correct 55 ms 55220 KB Output is correct
32 Correct 46 ms 55092 KB Output is correct
33 Correct 45 ms 55124 KB Output is correct
34 Correct 40 ms 55120 KB Output is correct
35 Correct 52 ms 55120 KB Output is correct
36 Correct 40 ms 55132 KB Output is correct
37 Correct 39 ms 55132 KB Output is correct
38 Correct 39 ms 55084 KB Output is correct
39 Correct 40 ms 55120 KB Output is correct
40 Correct 42 ms 55124 KB Output is correct
41 Correct 60 ms 55032 KB Output is correct
42 Correct 53 ms 55124 KB Output is correct
43 Correct 43 ms 55120 KB Output is correct
44 Correct 41 ms 55352 KB Output is correct
45 Correct 49 ms 55108 KB Output is correct
46 Correct 42 ms 55124 KB Output is correct
47 Correct 56 ms 55124 KB Output is correct
48 Correct 42 ms 55016 KB Output is correct
49 Correct 41 ms 55152 KB Output is correct
50 Correct 43 ms 55124 KB Output is correct
51 Correct 40 ms 55012 KB Output is correct
52 Correct 49 ms 55216 KB Output is correct
53 Correct 40 ms 55124 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 57 ms 55000 KB Output is correct
2 Correct 42 ms 55008 KB Output is correct
3 Correct 47 ms 55120 KB Output is correct
4 Correct 43 ms 55124 KB Output is correct
5 Correct 44 ms 55128 KB Output is correct
6 Correct 43 ms 55128 KB Output is correct
7 Correct 44 ms 55124 KB Output is correct
8 Correct 49 ms 55120 KB Output is correct
9 Correct 44 ms 55120 KB Output is correct
10 Correct 46 ms 55216 KB Output is correct
11 Correct 48 ms 55120 KB Output is correct
12 Correct 42 ms 55124 KB Output is correct
13 Correct 45 ms 55124 KB Output is correct
14 Correct 45 ms 55008 KB Output is correct
15 Correct 52 ms 55124 KB Output is correct
16 Correct 47 ms 55212 KB Output is correct
17 Correct 44 ms 55132 KB Output is correct
18 Correct 45 ms 55096 KB Output is correct
19 Correct 45 ms 55120 KB Output is correct
20 Correct 40 ms 55124 KB Output is correct
21 Correct 42 ms 55124 KB Output is correct
22 Correct 43 ms 55120 KB Output is correct
23 Correct 39 ms 55108 KB Output is correct
24 Correct 40 ms 55120 KB Output is correct
25 Correct 40 ms 55116 KB Output is correct
26 Correct 40 ms 55124 KB Output is correct
27 Correct 50 ms 55172 KB Output is correct
28 Correct 40 ms 55212 KB Output is correct
29 Correct 40 ms 55132 KB Output is correct
30 Correct 39 ms 55124 KB Output is correct
31 Correct 55 ms 55220 KB Output is correct
32 Correct 46 ms 55092 KB Output is correct
33 Correct 45 ms 55124 KB Output is correct
34 Correct 40 ms 55120 KB Output is correct
35 Correct 52 ms 55120 KB Output is correct
36 Correct 40 ms 55132 KB Output is correct
37 Correct 39 ms 55132 KB Output is correct
38 Correct 39 ms 55084 KB Output is correct
39 Correct 40 ms 55120 KB Output is correct
40 Correct 42 ms 55124 KB Output is correct
41 Correct 60 ms 55032 KB Output is correct
42 Correct 53 ms 55124 KB Output is correct
43 Correct 43 ms 55120 KB Output is correct
44 Correct 41 ms 55352 KB Output is correct
45 Correct 49 ms 55108 KB Output is correct
46 Correct 42 ms 55124 KB Output is correct
47 Correct 56 ms 55124 KB Output is correct
48 Correct 42 ms 55016 KB Output is correct
49 Correct 41 ms 55152 KB Output is correct
50 Correct 43 ms 55124 KB Output is correct
51 Correct 40 ms 55012 KB Output is correct
52 Correct 49 ms 55216 KB Output is correct
53 Correct 40 ms 55124 KB Output is correct
54 Correct 45 ms 55188 KB Output is correct
55 Correct 49 ms 55308 KB Output is correct
56 Correct 47 ms 55120 KB Output is correct
57 Correct 44 ms 55128 KB Output is correct
58 Correct 74 ms 57112 KB Output is correct
59 Correct 206 ms 72860 KB Output is correct
60 Correct 215 ms 72752 KB Output is correct
61 Correct 214 ms 72948 KB Output is correct
62 Correct 41 ms 55120 KB Output is correct
63 Correct 218 ms 72272 KB Output is correct
64 Correct 177 ms 72788 KB Output is correct
65 Correct 165 ms 72788 KB Output is correct
66 Correct 161 ms 72880 KB Output is correct
67 Correct 154 ms 72852 KB Output is correct
68 Correct 159 ms 72788 KB Output is correct
69 Correct 156 ms 72788 KB Output is correct
70 Correct 59 ms 57136 KB Output is correct
71 Correct 55 ms 57172 KB Output is correct
72 Correct 54 ms 57172 KB Output is correct
73 Correct 61 ms 57040 KB Output is correct
74 Correct 75 ms 57148 KB Output is correct
75 Correct 60 ms 57172 KB Output is correct
76 Correct 54 ms 57172 KB Output is correct
77 Correct 54 ms 57168 KB Output is correct
78 Correct 61 ms 57168 KB Output is correct
79 Correct 58 ms 57172 KB Output is correct
80 Correct 59 ms 57172 KB Output is correct
81 Correct 56 ms 57168 KB Output is correct
82 Correct 57 ms 57228 KB Output is correct
83 Correct 67 ms 57104 KB Output is correct
84 Correct 57 ms 57120 KB Output is correct
85 Correct 57 ms 57164 KB Output is correct
86 Correct 59 ms 57168 KB Output is correct
87 Correct 58 ms 57168 KB Output is correct
88 Correct 67 ms 57172 KB Output is correct
89 Correct 57 ms 57172 KB Output is correct
90 Correct 59 ms 57172 KB Output is correct