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Submission #678560

# Submission time Handle Problem Language Result Execution time Memory
678560 2023-01-06T07:34:29 Z vjudge1 Dango Maker (JOI18_dango_maker) C++17
100 / 100
 237 ms 150264 KB 
#include<bits/stdc++.h>
using namespace std;

#define f first
#define s second

typedef long long ll;
typedef long double ld;
typedef pair<int, pair<int, int>> ft;

const ld PI = acos(-1);
const int maxn = 3e3+5;
const ll inf = 1e18;
const int mod = 998244353;

int n, m;

ll ans = 0, mx = -inf;

char board[maxn][maxn];
int dp[maxn][maxn][3];
int st[maxn][maxn];

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin >> n >> m;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++)cin >> board[i][j];
    }
    int ans = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            if(j+2 <= m && board[i][j] == 'R' && board[i][j+1] == 'G' && board[i][j+2] == 'W'){
                st[i][j]^=1;
            }
            if(i+2 <= n && board[i][j] == 'R' && board[i+1][j] == 'G' && board[i+2][j] == 'W'){
                st[i][j]^=2;
            }
        }
    }
    for(int i = n; i >= 1; i--){
        for(int j = 1; j <= m; j++){
            for(int k = 0; k < 2; k++){
                dp[i][j][k] = dp[i+1][j-1][k+1];
            }
            dp[i][j][0] = max(dp[i][j][0], dp[i+1][j-1][0]);
            if(st[i][j]&2)dp[i][j][0] = max(dp[i][j][0], dp[i+1][j-1][0]+1);
            if(st[i][j]&1){
                for(int k = 0; k < 3; k++)dp[i][j][2] = max(dp[i][j][2], dp[i+1][j-1][k]+1);
            }
            /*for(int k = 0; k < 3; k++){
                cout << i << " " << j << " " << k << " " << dp[i][j][k] << "\n";
            }*/
            if(i == 1 || j == m)ans += max({dp[i][j][0], dp[i][j][1], dp[i][j][2]});
    
        }
    } 
    cout << ans;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 280 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 280 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 280 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 0 ms 340 KB Output is correct
31 Correct 0 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 0 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 0 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 0 ms 340 KB Output is correct
48 Correct 0 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 0 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 0 ms 340 KB Output is correct
55 Correct 9 ms 21968 KB Output is correct
56 Correct 1 ms 596 KB Output is correct
57 Correct 9 ms 21588 KB Output is correct
58 Correct 31 ms 26868 KB Output is correct
59 Correct 230 ms 150148 KB Output is correct
60 Correct 237 ms 150188 KB Output is correct
61 Correct 232 ms 150208 KB Output is correct
62 Correct 1 ms 340 KB Output is correct
63 Correct 219 ms 150244 KB Output is correct
64 Correct 202 ms 150264 KB Output is correct
65 Correct 196 ms 150180 KB Output is correct
66 Correct 181 ms 150172 KB Output is correct
67 Correct 191 ms 130708 KB Output is correct
68 Correct 170 ms 130832 KB Output is correct
69 Correct 196 ms 136268 KB Output is correct
70 Correct 24 ms 26880 KB Output is correct
71 Correct 29 ms 26884 KB Output is correct
72 Correct 29 ms 26884 KB Output is correct
73 Correct 25 ms 26848 KB Output is correct
74 Correct 25 ms 26828 KB Output is correct
75 Correct 25 ms 26948 KB Output is correct
76 Correct 26 ms 26848 KB Output is correct
77 Correct 30 ms 26964 KB Output is correct
78 Correct 25 ms 26836 KB Output is correct
79 Correct 25 ms 26964 KB Output is correct
80 Correct 24 ms 26964 KB Output is correct
81 Correct 24 ms 26908 KB Output is correct
82 Correct 25 ms 26932 KB Output is correct
83 Correct 25 ms 26868 KB Output is correct
84 Correct 25 ms 26956 KB Output is correct
85 Correct 32 ms 26928 KB Output is correct
86 Correct 25 ms 26964 KB Output is correct
87 Correct 28 ms 26928 KB Output is correct
88 Correct 26 ms 26956 KB Output is correct
89 Correct 25 ms 26964 KB Output is correct
90 Correct 25 ms 26948 KB Output is correct