oj.uz

Submission #610898

# Submission time Handle Problem Language Result Execution time Memory
610898 2022-07-28T17:23:36 Z Urvuk3 Dango Maker (JOI18_dango_maker) C++17
100 / 100
 469 ms 110868 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
ll INF=1e9,LINF=1e18,MOD=1e9+7; const ll MAXN=4e3+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(MAXN+3,vector<char>(MAXN+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 7 ms 16084 KB Output is correct
2 Correct 7 ms 16084 KB Output is correct
3 Correct 7 ms 16144 KB Output is correct
4 Correct 8 ms 16084 KB Output is correct
5 Correct 9 ms 16084 KB Output is correct
6 Correct 7 ms 16072 KB Output is correct
7 Correct 7 ms 16084 KB Output is correct
8 Correct 7 ms 16064 KB Output is correct
9 Correct 7 ms 16072 KB Output is correct
10 Correct 7 ms 16084 KB Output is correct
11 Correct 7 ms 16084 KB Output is correct
12 Correct 8 ms 16084 KB Output is correct
13 Correct 7 ms 16084 KB Output is correct
14 Correct 7 ms 16060 KB Output is correct
15 Correct 7 ms 16116 KB Output is correct
16 Correct 7 ms 16084 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16084 KB Output is correct
2 Correct 7 ms 16084 KB Output is correct
3 Correct 7 ms 16144 KB Output is correct
4 Correct 8 ms 16084 KB Output is correct
5 Correct 9 ms 16084 KB Output is correct
6 Correct 7 ms 16072 KB Output is correct
7 Correct 7 ms 16084 KB Output is correct
8 Correct 7 ms 16064 KB Output is correct
9 Correct 7 ms 16072 KB Output is correct
10 Correct 7 ms 16084 KB Output is correct
11 Correct 7 ms 16084 KB Output is correct
12 Correct 8 ms 16084 KB Output is correct
13 Correct 7 ms 16084 KB Output is correct
14 Correct 7 ms 16060 KB Output is correct
15 Correct 7 ms 16116 KB Output is correct
16 Correct 7 ms 16084 KB Output is correct
17 Correct 8 ms 16132 KB Output is correct
18 Correct 7 ms 16084 KB Output is correct
19 Correct 7 ms 16084 KB Output is correct
20 Correct 7 ms 16084 KB Output is correct
21 Correct 7 ms 16104 KB Output is correct
22 Correct 7 ms 16212 KB Output is correct
23 Correct 7 ms 16064 KB Output is correct
24 Correct 8 ms 16084 KB Output is correct
25 Correct 8 ms 16084 KB Output is correct
26 Correct 8 ms 16168 KB Output is correct
27 Correct 8 ms 16084 KB Output is correct
28 Correct 7 ms 16084 KB Output is correct
29 Correct 8 ms 16076 KB Output is correct
30 Correct 8 ms 16212 KB Output is correct
31 Correct 7 ms 16212 KB Output is correct
32 Correct 8 ms 16084 KB Output is correct
33 Correct 7 ms 16084 KB Output is correct
34 Correct 7 ms 16084 KB Output is correct
35 Correct 7 ms 16164 KB Output is correct
36 Correct 8 ms 16084 KB Output is correct
37 Correct 7 ms 16084 KB Output is correct
38 Correct 7 ms 16072 KB Output is correct
39 Correct 7 ms 16084 KB Output is correct
40 Correct 7 ms 16084 KB Output is correct
41 Correct 9 ms 16072 KB Output is correct
42 Correct 7 ms 16064 KB Output is correct
43 Correct 7 ms 16084 KB Output is correct
44 Correct 7 ms 16084 KB Output is correct
45 Correct 7 ms 16084 KB Output is correct
46 Correct 7 ms 16072 KB Output is correct
47 Correct 7 ms 16084 KB Output is correct
48 Correct 7 ms 16084 KB Output is correct
49 Correct 7 ms 16084 KB Output is correct
50 Correct 7 ms 16084 KB Output is correct
51 Correct 7 ms 16084 KB Output is correct
52 Correct 7 ms 16084 KB Output is correct
53 Correct 7 ms 16160 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 16084 KB Output is correct
2 Correct 7 ms 16084 KB Output is correct
3 Correct 7 ms 16144 KB Output is correct
4 Correct 8 ms 16084 KB Output is correct
5 Correct 9 ms 16084 KB Output is correct
6 Correct 7 ms 16072 KB Output is correct
7 Correct 7 ms 16084 KB Output is correct
8 Correct 7 ms 16064 KB Output is correct
9 Correct 7 ms 16072 KB Output is correct
10 Correct 7 ms 16084 KB Output is correct
11 Correct 7 ms 16084 KB Output is correct
12 Correct 8 ms 16084 KB Output is correct
13 Correct 7 ms 16084 KB Output is correct
14 Correct 7 ms 16060 KB Output is correct
15 Correct 7 ms 16116 KB Output is correct
16 Correct 7 ms 16084 KB Output is correct
17 Correct 8 ms 16132 KB Output is correct
18 Correct 7 ms 16084 KB Output is correct
19 Correct 7 ms 16084 KB Output is correct
20 Correct 7 ms 16084 KB Output is correct
21 Correct 7 ms 16104 KB Output is correct
22 Correct 7 ms 16212 KB Output is correct
23 Correct 7 ms 16064 KB Output is correct
24 Correct 8 ms 16084 KB Output is correct
25 Correct 8 ms 16084 KB Output is correct
26 Correct 8 ms 16168 KB Output is correct
27 Correct 8 ms 16084 KB Output is correct
28 Correct 7 ms 16084 KB Output is correct
29 Correct 8 ms 16076 KB Output is correct
30 Correct 8 ms 16212 KB Output is correct
31 Correct 7 ms 16212 KB Output is correct
32 Correct 8 ms 16084 KB Output is correct
33 Correct 7 ms 16084 KB Output is correct
34 Correct 7 ms 16084 KB Output is correct
35 Correct 7 ms 16164 KB Output is correct
36 Correct 8 ms 16084 KB Output is correct
37 Correct 7 ms 16084 KB Output is correct
38 Correct 7 ms 16072 KB Output is correct
39 Correct 7 ms 16084 KB Output is correct
40 Correct 7 ms 16084 KB Output is correct
41 Correct 9 ms 16072 KB Output is correct
42 Correct 7 ms 16064 KB Output is correct
43 Correct 7 ms 16084 KB Output is correct
44 Correct 7 ms 16084 KB Output is correct
45 Correct 7 ms 16084 KB Output is correct
46 Correct 7 ms 16072 KB Output is correct
47 Correct 7 ms 16084 KB Output is correct
48 Correct 7 ms 16084 KB Output is correct
49 Correct 7 ms 16084 KB Output is correct
50 Correct 7 ms 16084 KB Output is correct
51 Correct 7 ms 16084 KB Output is correct
52 Correct 7 ms 16084 KB Output is correct
53 Correct 7 ms 16160 KB Output is correct
54 Correct 10 ms 16728 KB Output is correct
55 Correct 175 ms 16720 KB Output is correct
56 Correct 11 ms 23764 KB Output is correct
57 Correct 85 ms 22608 KB Output is correct
58 Correct 61 ms 31688 KB Output is correct
59 Correct 461 ms 109516 KB Output is correct
60 Correct 458 ms 109388 KB Output is correct
61 Correct 466 ms 109516 KB Output is correct
62 Correct 9 ms 17104 KB Output is correct
63 Correct 454 ms 106648 KB Output is correct
64 Correct 425 ms 48208 KB Output is correct
65 Correct 423 ms 48028 KB Output is correct
66 Correct 410 ms 48252 KB Output is correct
67 Correct 446 ms 110768 KB Output is correct
68 Correct 446 ms 110868 KB Output is correct
69 Correct 469 ms 110796 KB Output is correct
70 Correct 55 ms 21716 KB Output is correct
71 Correct 54 ms 21712 KB Output is correct
72 Correct 55 ms 21668 KB Output is correct
73 Correct 55 ms 21712 KB Output is correct
74 Correct 54 ms 21664 KB Output is correct
75 Correct 54 ms 21716 KB Output is correct
76 Correct 60 ms 21724 KB Output is correct
77 Correct 54 ms 21700 KB Output is correct
78 Correct 54 ms 21716 KB Output is correct
79 Correct 55 ms 21716 KB Output is correct
80 Correct 54 ms 21712 KB Output is correct
81 Correct 55 ms 21708 KB Output is correct
82 Correct 57 ms 21708 KB Output is correct
83 Correct 64 ms 21716 KB Output is correct
84 Correct 59 ms 21716 KB Output is correct
85 Correct 56 ms 21716 KB Output is correct
86 Correct 55 ms 21716 KB Output is correct
87 Correct 54 ms 21664 KB Output is correct
88 Correct 54 ms 21712 KB Output is correct
89 Correct 57 ms 21696 KB Output is correct
90 Correct 54 ms 21704 KB Output is correct