oj.uz

Submission #610897

# Submission time Handle Problem Language Result Execution time Memory
610897 2022-07-28T17:22:31 Z Urvuk3 Dango Maker (JOI18_dango_maker) C++17
100 / 100
 508 ms 110548 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
ll INF=1e9,LINF=1e18,MOD=1e9+7; const ll MAXN=3e3+1,MAXS=2*3e3+1;
#define fi first
#define se second
#define pii pair<int,int>
#define mid ((l+r)/2)
#define sz(a) (int((a).size()))
#define all(a) a.begin(),a.end()
#define endl "\n"
#define PRINT(x) cerr<<#x<<'-'<<x<<endl<<flush;
#define pb push_back
#define PRINTvec(x) { cerr<<#x<<"-"; for(auto i_:x) cerr<<i_<<" "; cerr<<endl; }

int dp[MAXN][2][2];
int start[MAXS][MAXN][2];

void Solve(){
    int N,M; cin>>N>>M;
    vector<vector<char>> a(N+3,vector<char>(M+3,'@'));
    for(int i=1;i<=N;i++){
        string s; cin>>s;
        for(int j=1;j<=M;j++){
            a[i][j]=s[j-1];
        }
    }

    for(int i=1;i<=N;i++){
        for(int j=1;j<=M;j++){
            if(a[i][j]=='R' && a[i+1][j]=='G' && a[i+2][j]=='W') start[i+j][i][1]=true;
            if(a[i][j]=='R' && a[i][j+1]=='G' && a[i][j+2]=='W') start[i+j][i][0]=true;
        }
    }

    function<void(int&,int)> Smax=[&](int& a,int b){
        a=max(a,b);
    };

    function<void()> Build=[&](){
        for(int i=1;i<=N;i++){
            for(int j=0;j<2;j++){
                for(int k=0;k<2;k++){
                    dp[i][j][k]=-INF;
                }
            }
        }
    };

    int res=0;
    for(int z=2;z<=N+M;z++){
        Build();
        dp[0][0][0]=0;
        for(int i=1;i<=N;i++){
            for(int x=0;x<2;x++){
                for(int y=0;y<2;y++){
                    Smax(dp[i][0][x],dp[i-1][x][y]);
                    if(start[z][i][0] && x==0 && y==0) Smax(dp[i][0][x],dp[i-1][x][y]+1);
                    if(start[z][i][1]) Smax(dp[i][1][x],dp[i-1][x][y]+1);
                }
            }
        }
        int tmp=0;
        for(int i=0;i<2;i++){
            for(int j=0;j<2;j++){
                tmp=max(tmp,dp[N][i][j]);
            }
        }
        res+=tmp;
    }
    cout<<res<<endl;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int t; t=1;
    //cin>>t;
    while(t--){
        Solve();
    }
    return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 284 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 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 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 284 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 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 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 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 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 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 0 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 0 ms 328 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 0 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 340 KB Output is correct
51 Correct 0 ms 332 KB Output is correct
52 Correct 1 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 1 ms 212 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 284 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 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 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 332 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 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 0 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 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 0 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 0 ms 328 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 328 KB Output is correct
44 Correct 0 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 340 KB Output is correct
51 Correct 0 ms 332 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 0 ms 340 KB Output is correct
54 Correct 2 ms 852 KB Output is correct
55 Correct 179 ms 1080 KB Output is correct
56 Correct 4 ms 7892 KB Output is correct
57 Correct 86 ms 6868 KB Output is correct
58 Correct 68 ms 17788 KB Output is correct
59 Correct 469 ms 109412 KB Output is correct
60 Correct 508 ms 109392 KB Output is correct
61 Correct 475 ms 109336 KB Output is correct
62 Correct 3 ms 1236 KB Output is correct
63 Correct 478 ms 106416 KB Output is correct
64 Correct 457 ms 49828 KB Output is correct
65 Correct 423 ms 49828 KB Output is correct
66 Correct 435 ms 49824 KB Output is correct
67 Correct 456 ms 110548 KB Output is correct
68 Correct 471 ms 110544 KB Output is correct
69 Correct 494 ms 110536 KB Output is correct
70 Correct 49 ms 7632 KB Output is correct
71 Correct 49 ms 7628 KB Output is correct
72 Correct 49 ms 7636 KB Output is correct
73 Correct 60 ms 7724 KB Output is correct
74 Correct 49 ms 7636 KB Output is correct
75 Correct 50 ms 7752 KB Output is correct
76 Correct 49 ms 7636 KB Output is correct
77 Correct 49 ms 7720 KB Output is correct
78 Correct 61 ms 7624 KB Output is correct
79 Correct 49 ms 7636 KB Output is correct
80 Correct 59 ms 7724 KB Output is correct
81 Correct 52 ms 7636 KB Output is correct
82 Correct 54 ms 7644 KB Output is correct
83 Correct 61 ms 7644 KB Output is correct
84 Correct 51 ms 7724 KB Output is correct
85 Correct 49 ms 7636 KB Output is correct
86 Correct 50 ms 7716 KB Output is correct
87 Correct 62 ms 7720 KB Output is correct
88 Correct 53 ms 7636 KB Output is correct
89 Correct 52 ms 7636 KB Output is correct
90 Correct 50 ms 7724 KB Output is correct