oj.uz

Submission #678620

# Submission time Handle Problem Language Result Execution time Memory
678620 2023-01-06T08:44:00 Z hotboy2703 Dango Maker (JOI18_dango_maker) C++14
100 / 100
 552 ms 11456 KB 
#include<bits/stdc++.h>
using namespace std;
int dp[3010][5];
pair <bool,bool>  tmp[3010];    int n,m;
int get(int x,int y){
    if (x < 0)x = 0;
    if (y < 0)y = 0;
    if (x <= 0 && y <= 0)return 0;
    int res = -1;int r = x - y + 2;
    if (dp[x][r] != -1)return dp[x][r];
    if (x <= 0){
        res = get(x,y-1) + tmp[y].second;
    }
    else if (y <= 0){
        res = get(x-1,y) + tmp[x].first;
    }
    else{
        if (x >= y){
            res = get(x-1,y);
            if (tmp[x].first){
                res = max(res,1 + get(x-1,min(x-3,y)));
            }
        }
        else{
            res = get(x,y-1);
            if (tmp[y].second){
                res = max(res,1 + get(x,y-1));
            }
        }
    }
    //cout<<x<<' '<<y<<' '<<res<<'\n';
    dp[x][r] = res;
    return res;
}
int solve(){
    memset(dp,-1,sizeof dp);
    return get(n,n);
}
char a[3010][3010];
int main(){

    ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
    cin>>n>>m;
    for (int i = 1;i <= n;i ++){
        string s;
        cin>>s;
        for (int j = 1;j <= m;j ++){
            a[i][j] = s[j-1];
        }
    }
    int ans = 0;
    for (int k = 2;k <= n + m;k ++){
        for (int i =1 ;i <= n;i ++){
            int j = k - i;
            if (1 <= j && j <= m){
                tmp[i].first = (a[i][j] == 'R' && a[i][j+1] == 'G' && a[i][j+2] == 'W');
                tmp[i].second = (a[i][j] == 'R' && a[i+1][j] == 'G' && a[i+2][j] == 'W');
            }
            else{
                tmp[i] = {0,0};
            }

        }
        /*for (int i = 1;i <= n;i ++){
            cout<<tmp[i].first<<' '<<tmp[i].second<<'\n';
        }*/

        ans += solve();
        //cout<<k<<' '<<ans<<'\n';
    }
    cout<<ans<<'\n';
    return 0;
}

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 340 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 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 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 340 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 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 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 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 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 0 ms 328 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 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 1 ms 340 KB Output is correct
42 Correct 1 ms 324 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 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 340 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 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 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 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 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 0 ms 328 KB Output is correct
35 Correct 1 ms 324 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 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 1 ms 340 KB Output is correct
42 Correct 1 ms 324 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 1 ms 328 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 5 ms 332 KB Output is correct
55 Correct 222 ms 9684 KB Output is correct
56 Correct 5 ms 340 KB Output is correct
57 Correct 102 ms 6596 KB Output is correct
58 Correct 58 ms 4496 KB Output is correct
59 Correct 500 ms 11268 KB Output is correct
60 Correct 520 ms 11440 KB Output is correct
61 Correct 520 ms 11388 KB Output is correct
62 Correct 4 ms 340 KB Output is correct
63 Correct 509 ms 11456 KB Output is correct
64 Correct 506 ms 11392 KB Output is correct
65 Correct 529 ms 11400 KB Output is correct
66 Correct 552 ms 11388 KB Output is correct
67 Correct 481 ms 11388 KB Output is correct
68 Correct 495 ms 11388 KB Output is correct
69 Correct 524 ms 11268 KB Output is correct
70 Correct 58 ms 4436 KB Output is correct
71 Correct 57 ms 4504 KB Output is correct
72 Correct 58 ms 4492 KB Output is correct
73 Correct 59 ms 4488 KB Output is correct
74 Correct 60 ms 4428 KB Output is correct
75 Correct 56 ms 4496 KB Output is correct
76 Correct 55 ms 4428 KB Output is correct
77 Correct 56 ms 4488 KB Output is correct
78 Correct 66 ms 4436 KB Output is correct
79 Correct 58 ms 4488 KB Output is correct
80 Correct 60 ms 4488 KB Output is correct
81 Correct 60 ms 4492 KB Output is correct
82 Correct 61 ms 4492 KB Output is correct
83 Correct 78 ms 4500 KB Output is correct
84 Correct 73 ms 4496 KB Output is correct
85 Correct 59 ms 4436 KB Output is correct
86 Correct 69 ms 4488 KB Output is correct
87 Correct 65 ms 4480 KB Output is correct
88 Correct 63 ms 4492 KB Output is correct
89 Correct 60 ms 4488 KB Output is correct
90 Correct 59 ms 4488 KB Output is correct