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Submission #199943

# Submission time Handle Problem Language Result Execution time Memory
199943 2020-02-04T09:20:17 Z nvmdava Dango Maker (JOI18_dango_maker) C++17
100 / 100
 289 ms 9372 KB 
#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define ll long long
#define ff first
#define ss second
#define N 3005
#define MOD 1000000007

char c[N][N];

bool in[N][2];
int dp[N][4];

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n, m;
    cin>>n>>m;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= m; ++j){
            cin>>c[i][j];
        }
    }
    int res = 0;
    for(int s = 2; s <= n + m; ++s){
        int l = max(1, s - m);
        int r = min(n, s - 1);
        for(int i = l; i <= r; ++i){
            if(c[i][s - i] == 'R' && c[i][s - i + 1] == 'G' && c[i][s - i + 2] == 'W'){
                in[i][0] = 1;
            }
            if(c[i][s - i] == 'R' && c[i + 1][s - i] == 'G' && c[i + 2][s - i] == 'W'){
                in[i][1] = 1;
            }
        }
        memset(dp[l - 1], 0, sizeof dp[l - 1]);
        for(int i = l; i <= r; ++i){
            memset(dp[i], 0, sizeof dp[i]);
            for(int j = 0; j < 4; ++j)
                dp[i][j / 2] = max(dp[i][j / 2], dp[i - 1][j]);
            if(in[i][1]){
                for(int j = 0; j < 4; ++j)
                    dp[i][j / 2 + 2] = max(dp[i][j / 2 + 2], dp[i - 1][j] + 1);
            }
            if(in[i][0])
                dp[i][0] = max(dp[i - 1][0] + 1, dp[i][0]);
        }
        res += max(max(dp[r][0], dp[r][1]), max(dp[r][2], dp[r][3]));
        for(int i = l; i <= r; ++i){
            in[i][0] = in[i][1] = 0;
        }
    }
    cout<<res;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 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 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 4 ms 380 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 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 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 4 ms 380 KB Output is correct
17 Correct 6 ms 376 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 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 ms 508 KB Output is correct
23 Correct 5 ms 380 KB Output is correct
24 Correct 5 ms 380 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 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 5 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 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 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 4 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 4 ms 380 KB Output is correct
17 Correct 6 ms 376 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 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 6 ms 508 KB Output is correct
23 Correct 5 ms 380 KB Output is correct
24 Correct 5 ms 380 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 380 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 5 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 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 376 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 376 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 9 ms 9208 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 8 ms 6264 KB Output is correct
58 Correct 35 ms 3320 KB Output is correct
59 Correct 282 ms 9316 KB Output is correct
60 Correct 273 ms 9208 KB Output is correct
61 Correct 289 ms 9336 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 269 ms 9208 KB Output is correct
64 Correct 255 ms 9336 KB Output is correct
65 Correct 265 ms 9372 KB Output is correct
66 Correct 256 ms 9212 KB Output is correct
67 Correct 248 ms 9336 KB Output is correct
68 Correct 244 ms 9208 KB Output is correct
69 Correct 247 ms 9208 KB Output is correct
70 Correct 29 ms 3320 KB Output is correct
71 Correct 29 ms 3320 KB Output is correct
72 Correct 30 ms 3320 KB Output is correct
73 Correct 30 ms 3324 KB Output is correct
74 Correct 32 ms 3320 KB Output is correct
75 Correct 29 ms 3320 KB Output is correct
76 Correct 31 ms 3320 KB Output is correct
77 Correct 30 ms 3320 KB Output is correct
78 Correct 31 ms 3320 KB Output is correct
79 Correct 30 ms 3320 KB Output is correct
80 Correct 30 ms 3320 KB Output is correct
81 Correct 30 ms 3320 KB Output is correct
82 Correct 31 ms 3320 KB Output is correct
83 Correct 30 ms 3320 KB Output is correct
84 Correct 33 ms 3320 KB Output is correct
85 Correct 30 ms 3320 KB Output is correct
86 Correct 30 ms 3320 KB Output is correct
87 Correct 30 ms 3320 KB Output is correct
88 Correct 31 ms 3320 KB Output is correct
89 Correct 30 ms 3320 KB Output is correct
90 Correct 29 ms 3320 KB Output is correct