oj.uz

Submission #234925

# Submission time Handle Problem Language Result Execution time Memory
234925 2020-05-26T09:37:19 Z amoo_safar Dango Maker (JOI18_dango_maker) C++14
100 / 100
 250 ms 68728 KB 
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define debug(x) cerr << #x << " : " << x << '\n'

using namespace std;

typedef long long ll;
typedef long double ld;
typedef string str;
typedef pair<ll, ll> pll;

const ll Mod = 1000000007LL;
const int N = 3e3 + 10;
const ll Inf = 2242545357980376863LL;
const ll Log = 30;

ll n, m;
str s[N];

int Right(int i, int j){
	if(j + 2 >= m) return false;
	return (s[i][j] == 'R') && (s[i][j + 1] == 'G') && (s[i][j + 2] == 'W');
}

int Down(int i, int j){
	if(i + 2 >= n) return false;
	return (s[i][j] == 'R') && (s[i + 1][j] == 'G') && (s[i + 2][j] == 'W');
}

vector<int> V[N + N];

int dp[N][4];
int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	cin >> n >> m;
	for(int i = 0; i < n; i++) cin >> s[i];
	for(int i = 0; i < n + m - 1; i++) V[i].pb(0);
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++){
			V[i + j].pb(Right(i, j) * 2 + Down(i, j));
		}
	}
	ll ans = 0;
	int k;
	for(int i = 0; i < n + m - 1; i++){
		k = V[i].size();
		for(int i = 0; i < k; i++) fill(dp[i], dp[i] + 4, -Inf);
		dp[0][0] = 0;
		for(int j = 1; j < k; j++){
			for(int mk = 0; mk < 4; mk++){
				dp[j][(mk << 1) & 3] = max(dp[j][(mk << 1) & 3], dp[j - 1][mk]);
			}
			if(V[i][j] & 1){
				for(int mk = 0; mk < 4; mk++){
					dp[j][(mk << 1 | 1 ) & 3] = max(dp[j][(mk << 1 | 1 ) & 3], dp[j - 1][mk] + 1);
				}
			}
			if(V[i][j] & 2){
				dp[j][0] = max(dp[j][0], dp[j - 1][0] + 1);
			}
		}
		ans += *max_element(dp[k - 1], dp[k - 1] + 4);
	}
	cout << ans << '\n';
	return 0;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
21 Correct 5 ms 512 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 512 KB Output is correct
24 Correct 5 ms 512 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 5 ms 640 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 5 ms 512 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 5 ms 512 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 5 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 640 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 5 ms 512 KB Output is correct
43 Correct 5 ms 512 KB Output is correct
44 Correct 5 ms 512 KB Output is correct
45 Correct 5 ms 512 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 512 KB Output is correct
50 Correct 5 ms 512 KB Output is correct
51 Correct 5 ms 640 KB Output is correct
52 Correct 5 ms 640 KB Output is correct
53 Correct 5 ms 512 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 512 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 512 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 512 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 5 ms 512 KB Output is correct
9 Correct 5 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 5 ms 512 KB Output is correct
12 Correct 5 ms 512 KB Output is correct
13 Correct 5 ms 512 KB Output is correct
14 Correct 5 ms 640 KB Output is correct
15 Correct 5 ms 512 KB Output is correct
16 Correct 5 ms 640 KB Output is correct
17 Correct 5 ms 512 KB Output is correct
18 Correct 5 ms 512 KB Output is correct
19 Correct 5 ms 512 KB Output is correct
20 Correct 5 ms 512 KB Output is correct
21 Correct 5 ms 512 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 512 KB Output is correct
24 Correct 5 ms 512 KB Output is correct
25 Correct 5 ms 512 KB Output is correct
26 Correct 5 ms 640 KB Output is correct
27 Correct 5 ms 512 KB Output is correct
28 Correct 5 ms 512 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 5 ms 512 KB Output is correct
31 Correct 5 ms 512 KB Output is correct
32 Correct 5 ms 512 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 5 ms 512 KB Output is correct
36 Correct 5 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 640 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 5 ms 512 KB Output is correct
43 Correct 5 ms 512 KB Output is correct
44 Correct 5 ms 512 KB Output is correct
45 Correct 5 ms 512 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 512 KB Output is correct
50 Correct 5 ms 512 KB Output is correct
51 Correct 5 ms 640 KB Output is correct
52 Correct 5 ms 640 KB Output is correct
53 Correct 5 ms 512 KB Output is correct
54 Correct 5 ms 640 KB Output is correct
55 Correct 5 ms 640 KB Output is correct
56 Correct 6 ms 768 KB Output is correct
57 Correct 6 ms 768 KB Output is correct
58 Correct 32 ms 7936 KB Output is correct
59 Correct 247 ms 68472 KB Output is correct
60 Correct 250 ms 68472 KB Output is correct
61 Correct 242 ms 68472 KB Output is correct
62 Correct 5 ms 640 KB Output is correct
63 Correct 235 ms 66528 KB Output is correct
64 Correct 230 ms 68600 KB Output is correct
65 Correct 230 ms 68472 KB Output is correct
66 Correct 225 ms 68600 KB Output is correct
67 Correct 212 ms 68728 KB Output is correct
68 Correct 208 ms 68472 KB Output is correct
69 Correct 210 ms 68472 KB Output is correct
70 Correct 26 ms 7936 KB Output is correct
71 Correct 28 ms 7936 KB Output is correct
72 Correct 26 ms 7936 KB Output is correct
73 Correct 27 ms 7936 KB Output is correct
74 Correct 35 ms 7936 KB Output is correct
75 Correct 26 ms 7936 KB Output is correct
76 Correct 27 ms 7936 KB Output is correct
77 Correct 27 ms 7936 KB Output is correct
78 Correct 26 ms 7936 KB Output is correct
79 Correct 26 ms 7936 KB Output is correct
80 Correct 26 ms 7936 KB Output is correct
81 Correct 26 ms 7936 KB Output is correct
82 Correct 27 ms 7936 KB Output is correct
83 Correct 27 ms 7936 KB Output is correct
84 Correct 26 ms 7936 KB Output is correct
85 Correct 26 ms 7936 KB Output is correct
86 Correct 27 ms 7936 KB Output is correct
87 Correct 26 ms 7936 KB Output is correct
88 Correct 26 ms 7936 KB Output is correct
89 Correct 26 ms 7936 KB Output is correct
90 Correct 27 ms 7936 KB Output is correct