oj.uz

Submission #915663

# Submission time Handle Problem Language Result Execution time Memory
915663 2024-01-24T13:50:00 Z efedmrlr Dango Maker (JOI18_dango_maker) C++17
100 / 100
 249 ms 27236 KB 
// #pragma GCC optimize("O3,Ofast,unroll-loops")
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>

using namespace std;


#define lli long long int
#define MP make_pair
#define pb push_back
#define REP(i,n) for(int i = 0; (i) < (n); (i)++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()


void fastio() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
}


const double EPS = 0.00001;
const int INF = 1e9+500;
const int N = 3e3+5;
const int ALPH = 26;
const int LGN = 25;
constexpr int MOD = 1e9+7;
int n,m,q;
vector<string> a(N, string(N, '0'));
array<array<int,2>, 2> dp, dpn;
int ans = 0;

inline void solve() {
    cin>>n>>m;
    for(int i = 1; i<=n; i++) {
        cin>>a[i];
        a[i] = '0' + a[i] + "000";
    }   
    for(int t = 2; t<=n + m; t++) {
        dp = {0,0,0,0};
        for(int i = max(1, t - m); i <= n; i++) {
            int j = t - i;
            if(j < 1) break;

            if(a[i][j] != 'R') {
                dp[0][0] = max(dp[0][0], dp[0][1]);
                dp[0][1] = max(dp[1][0], dp[1][1]);
                dp[1][0] = dp[1][1] = 0;
                continue;
            }

            for(int f1 = 0; f1<2; f1++) {
                for(int f2 = 0; f2<2; f2++) {
                    
                    dpn[f1][f2] = 0;
                    if(f1) {
                        if(a[i + 1][j] == 'G' && a[i + 2][j] == 'W') {
                            dpn[f1][f2] = max(dp[f2][0], dp[f2][1]) + 1;
                        }
    
                    }
                    else {
                        if(!f2 && a[i][j + 1] == 'G' && a[i][j + 2] == 'W') {
                            dpn[f1][f2] = dp[0][0] + 1;
                        } 
                        dpn[f1][f2] = max(dpn[f1][f2], max(dp[f2][0], dp[f2][1])); 
                    }
                }
            }
            swap(dpn, dp);
        }
        ans += max(max(dp[0][0], dp[0][1]) , max(dp[1][0], dp[1][1]) );
    }
    cout << ans << "\n";
   

}
 
signed main() {

    //fastio();
    int test = 1;
    //cin>>test;
    while(test--) {
        solve();
    }
    
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9304 KB Output is correct
2 Correct 6 ms 9304 KB Output is correct
3 Correct 6 ms 9412 KB Output is correct
4 Correct 6 ms 9308 KB Output is correct
5 Correct 7 ms 9388 KB Output is correct
6 Correct 6 ms 9244 KB Output is correct
7 Correct 6 ms 9308 KB Output is correct
8 Correct 6 ms 9308 KB Output is correct
9 Correct 7 ms 9308 KB Output is correct
10 Correct 6 ms 9304 KB Output is correct
11 Correct 6 ms 9308 KB Output is correct
12 Correct 6 ms 9308 KB Output is correct
13 Correct 6 ms 9308 KB Output is correct
14 Correct 6 ms 9308 KB Output is correct
15 Correct 7 ms 9304 KB Output is correct
16 Correct 6 ms 9304 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9304 KB Output is correct
2 Correct 6 ms 9304 KB Output is correct
3 Correct 6 ms 9412 KB Output is correct
4 Correct 6 ms 9308 KB Output is correct
5 Correct 7 ms 9388 KB Output is correct
6 Correct 6 ms 9244 KB Output is correct
7 Correct 6 ms 9308 KB Output is correct
8 Correct 6 ms 9308 KB Output is correct
9 Correct 7 ms 9308 KB Output is correct
10 Correct 6 ms 9304 KB Output is correct
11 Correct 6 ms 9308 KB Output is correct
12 Correct 6 ms 9308 KB Output is correct
13 Correct 6 ms 9308 KB Output is correct
14 Correct 6 ms 9308 KB Output is correct
15 Correct 7 ms 9304 KB Output is correct
16 Correct 6 ms 9304 KB Output is correct
17 Correct 6 ms 9308 KB Output is correct
18 Correct 6 ms 9308 KB Output is correct
19 Correct 6 ms 9408 KB Output is correct
20 Correct 6 ms 9276 KB Output is correct
21 Correct 6 ms 9560 KB Output is correct
22 Correct 6 ms 9304 KB Output is correct
23 Correct 6 ms 9308 KB Output is correct
24 Correct 7 ms 9308 KB Output is correct
25 Correct 6 ms 9420 KB Output is correct
26 Correct 6 ms 9308 KB Output is correct
27 Correct 7 ms 9308 KB Output is correct
28 Correct 6 ms 9308 KB Output is correct
29 Correct 6 ms 9308 KB Output is correct
30 Correct 6 ms 9364 KB Output is correct
31 Correct 6 ms 9560 KB Output is correct
32 Correct 6 ms 9308 KB Output is correct
33 Correct 7 ms 9556 KB Output is correct
34 Correct 8 ms 9308 KB Output is correct
35 Correct 6 ms 9308 KB Output is correct
36 Correct 6 ms 9308 KB Output is correct
37 Correct 6 ms 9308 KB Output is correct
38 Correct 6 ms 9308 KB Output is correct
39 Correct 6 ms 9416 KB Output is correct
40 Correct 6 ms 9308 KB Output is correct
41 Correct 6 ms 9308 KB Output is correct
42 Correct 6 ms 9396 KB Output is correct
43 Correct 7 ms 9308 KB Output is correct
44 Correct 6 ms 9308 KB Output is correct
45 Correct 6 ms 9268 KB Output is correct
46 Correct 6 ms 9308 KB Output is correct
47 Correct 7 ms 9308 KB Output is correct
48 Correct 6 ms 9308 KB Output is correct
49 Correct 7 ms 9308 KB Output is correct
50 Correct 6 ms 9428 KB Output is correct
51 Correct 6 ms 9308 KB Output is correct
52 Correct 6 ms 9308 KB Output is correct
53 Correct 6 ms 9308 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 9304 KB Output is correct
2 Correct 6 ms 9304 KB Output is correct
3 Correct 6 ms 9412 KB Output is correct
4 Correct 6 ms 9308 KB Output is correct
5 Correct 7 ms 9388 KB Output is correct
6 Correct 6 ms 9244 KB Output is correct
7 Correct 6 ms 9308 KB Output is correct
8 Correct 6 ms 9308 KB Output is correct
9 Correct 7 ms 9308 KB Output is correct
10 Correct 6 ms 9304 KB Output is correct
11 Correct 6 ms 9308 KB Output is correct
12 Correct 6 ms 9308 KB Output is correct
13 Correct 6 ms 9308 KB Output is correct
14 Correct 6 ms 9308 KB Output is correct
15 Correct 7 ms 9304 KB Output is correct
16 Correct 6 ms 9304 KB Output is correct
17 Correct 6 ms 9308 KB Output is correct
18 Correct 6 ms 9308 KB Output is correct
19 Correct 6 ms 9408 KB Output is correct
20 Correct 6 ms 9276 KB Output is correct
21 Correct 6 ms 9560 KB Output is correct
22 Correct 6 ms 9304 KB Output is correct
23 Correct 6 ms 9308 KB Output is correct
24 Correct 7 ms 9308 KB Output is correct
25 Correct 6 ms 9420 KB Output is correct
26 Correct 6 ms 9308 KB Output is correct
27 Correct 7 ms 9308 KB Output is correct
28 Correct 6 ms 9308 KB Output is correct
29 Correct 6 ms 9308 KB Output is correct
30 Correct 6 ms 9364 KB Output is correct
31 Correct 6 ms 9560 KB Output is correct
32 Correct 6 ms 9308 KB Output is correct
33 Correct 7 ms 9556 KB Output is correct
34 Correct 8 ms 9308 KB Output is correct
35 Correct 6 ms 9308 KB Output is correct
36 Correct 6 ms 9308 KB Output is correct
37 Correct 6 ms 9308 KB Output is correct
38 Correct 6 ms 9308 KB Output is correct
39 Correct 6 ms 9416 KB Output is correct
40 Correct 6 ms 9308 KB Output is correct
41 Correct 6 ms 9308 KB Output is correct
42 Correct 6 ms 9396 KB Output is correct
43 Correct 7 ms 9308 KB Output is correct
44 Correct 6 ms 9308 KB Output is correct
45 Correct 6 ms 9268 KB Output is correct
46 Correct 6 ms 9308 KB Output is correct
47 Correct 7 ms 9308 KB Output is correct
48 Correct 6 ms 9308 KB Output is correct
49 Correct 7 ms 9308 KB Output is correct
50 Correct 6 ms 9428 KB Output is correct
51 Correct 6 ms 9308 KB Output is correct
52 Correct 6 ms 9308 KB Output is correct
53 Correct 6 ms 9308 KB Output is correct
54 Correct 6 ms 9308 KB Output is correct
55 Correct 6 ms 9308 KB Output is correct
56 Correct 7 ms 9308 KB Output is correct
57 Correct 7 ms 9308 KB Output is correct
58 Correct 30 ms 10296 KB Output is correct
59 Correct 249 ms 26980 KB Output is correct
60 Correct 248 ms 26964 KB Output is correct
61 Correct 244 ms 26960 KB Output is correct
62 Correct 7 ms 9564 KB Output is correct
63 Correct 230 ms 25940 KB Output is correct
64 Correct 195 ms 26960 KB Output is correct
65 Correct 199 ms 27064 KB Output is correct
66 Correct 203 ms 26984 KB Output is correct
67 Correct 240 ms 26964 KB Output is correct
68 Correct 197 ms 26796 KB Output is correct
69 Correct 198 ms 27236 KB Output is correct
70 Correct 24 ms 10400 KB Output is correct
71 Correct 24 ms 10332 KB Output is correct
72 Correct 24 ms 10332 KB Output is correct
73 Correct 25 ms 10332 KB Output is correct
74 Correct 24 ms 10332 KB Output is correct
75 Correct 24 ms 10208 KB Output is correct
76 Correct 25 ms 10388 KB Output is correct
77 Correct 24 ms 10328 KB Output is correct
78 Correct 25 ms 10332 KB Output is correct
79 Correct 25 ms 10264 KB Output is correct
80 Correct 30 ms 10324 KB Output is correct
81 Correct 25 ms 10332 KB Output is correct
82 Correct 25 ms 10324 KB Output is correct
83 Correct 24 ms 10332 KB Output is correct
84 Correct 24 ms 10332 KB Output is correct
85 Correct 23 ms 10332 KB Output is correct
86 Correct 25 ms 10332 KB Output is correct
87 Correct 24 ms 10176 KB Output is correct
88 Correct 25 ms 10320 KB Output is correct
89 Correct 22 ms 10476 KB Output is correct
90 Correct 24 ms 10332 KB Output is correct