oj.uz

Submission #468363

# Submission time Handle Problem Language Result Execution time Memory
468363 2021-08-27T20:29:38 Z JovanB Dango Maker (JOI18_dango_maker) C++17
100 / 100
 162 ms 21660 KB 
#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;

const int N = 3000;

string s[N+5];
int dp[N+5][3];

int main(){
    ios_base::sync_with_stdio(false), cin.tie(0);
    cout.precision(10);
    cout << fixed;

    int n, m;
    cin >> n >> m;
    for(int i=1; i<=m; i++) s[0] += ".";
    for(int i=1; i<=n; i++){
        string str;
        cin >> str;
        s[i] = "." + str;
        s[i] += ".";
    }
    for(int i=1; i<=m; i++) s[n+1] += ".";
    int res = 0;
    dp[0][1] = dp[0][2] = -N;
    for(int si=1; si<=n; si++){
        int i = si, j = 1;
        while(i > 0 && j <= m){
            dp[j][0] = max(dp[j-1][0], max(dp[j-1][1], dp[j-1][2]));
            if(s[i-1][j] == 'R' && s[i][j] == 'G' && s[i+1][j] == 'W') dp[j][1] = 1 + max(dp[j-1][0], dp[j-1][1]);
            else dp[j][1] = -N;
            if(s[i][j-1] == 'R' && s[i][j] == 'G' && s[i][j+1] == 'W') dp[j][2] = 1 + max(dp[j-1][0], dp[j-1][2]);
            else dp[j][2] = -N;
            i--;
            j++;
        }
        res += max(dp[j-1][0], max(dp[j-1][1], dp[j-1][2]));
    }
    for(int sj=2; sj<=m; sj++){
        int i = n, j = sj;
        dp[sj-1][0] = 0;
        dp[sj-1][1] = dp[sj-1][2] = -N;
        while(j <= m && i > 0){
            dp[j][0] = max(dp[j-1][0], max(dp[j-1][1], dp[j-1][2]));
            if(s[i-1][j] == 'R' && s[i][j] == 'G' && s[i+1][j] == 'W') dp[j][1] = 1 + max(dp[j-1][0], dp[j-1][1]);
            else dp[j][1] = -N;
            if(s[i][j-1] == 'R' && s[i][j] == 'G' && s[i][j+1] == 'W') dp[j][2] = 1 + max(dp[j-1][0], dp[j-1][2]);
            else dp[j][2] = -N;
            i--;
            j++;
        }
        res += max(dp[j-1][0], max(dp[j-1][1], dp[j-1][2]));
    }
    cout << res << "\n";
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 412 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 332 KB Output is correct
42 Correct 0 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 0 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 0 ms 332 KB Output is correct
7 Correct 0 ms 332 KB Output is correct
8 Correct 0 ms 332 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 332 KB Output is correct
11 Correct 0 ms 332 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 332 KB Output is correct
15 Correct 0 ms 332 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 0 ms 332 KB Output is correct
19 Correct 0 ms 332 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 332 KB Output is correct
22 Correct 0 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 332 KB Output is correct
25 Correct 0 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 0 ms 332 KB Output is correct
28 Correct 0 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 0 ms 332 KB Output is correct
34 Correct 1 ms 332 KB Output is correct
35 Correct 1 ms 332 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 1 ms 332 KB Output is correct
38 Correct 1 ms 412 KB Output is correct
39 Correct 1 ms 332 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 332 KB Output is correct
42 Correct 0 ms 332 KB Output is correct
43 Correct 1 ms 332 KB Output is correct
44 Correct 0 ms 332 KB Output is correct
45 Correct 1 ms 332 KB Output is correct
46 Correct 1 ms 332 KB Output is correct
47 Correct 1 ms 332 KB Output is correct
48 Correct 1 ms 332 KB Output is correct
49 Correct 1 ms 332 KB Output is correct
50 Correct 0 ms 332 KB Output is correct
51 Correct 1 ms 332 KB Output is correct
52 Correct 1 ms 332 KB Output is correct
53 Correct 1 ms 332 KB Output is correct
54 Correct 1 ms 460 KB Output is correct
55 Correct 1 ms 332 KB Output is correct
56 Correct 1 ms 460 KB Output is correct
57 Correct 1 ms 332 KB Output is correct
58 Correct 16 ms 3404 KB Output is correct
59 Correct 157 ms 21660 KB Output is correct
60 Correct 162 ms 21596 KB Output is correct
61 Correct 156 ms 21580 KB Output is correct
62 Correct 1 ms 460 KB Output is correct
63 Correct 151 ms 21084 KB Output is correct
64 Correct 112 ms 21580 KB Output is correct
65 Correct 113 ms 21636 KB Output is correct
66 Correct 115 ms 21644 KB Output is correct
67 Correct 110 ms 21580 KB Output is correct
68 Correct 109 ms 21580 KB Output is correct
69 Correct 120 ms 21648 KB Output is correct
70 Correct 9 ms 3404 KB Output is correct
71 Correct 9 ms 3404 KB Output is correct
72 Correct 9 ms 3420 KB Output is correct
73 Correct 10 ms 3404 KB Output is correct
74 Correct 10 ms 3360 KB Output is correct
75 Correct 9 ms 3404 KB Output is correct
76 Correct 9 ms 3404 KB Output is correct
77 Correct 10 ms 3416 KB Output is correct
78 Correct 9 ms 3404 KB Output is correct
79 Correct 9 ms 3412 KB Output is correct
80 Correct 9 ms 3404 KB Output is correct
81 Correct 9 ms 3404 KB Output is correct
82 Correct 9 ms 3404 KB Output is correct
83 Correct 9 ms 3404 KB Output is correct
84 Correct 9 ms 3408 KB Output is correct
85 Correct 9 ms 3416 KB Output is correct
86 Correct 10 ms 3420 KB Output is correct
87 Correct 10 ms 3416 KB Output is correct
88 Correct 10 ms 3420 KB Output is correct
89 Correct 9 ms 3364 KB Output is correct
90 Correct 9 ms 3404 KB Output is correct