Submission #1038012

# Submission time Handle Problem Language Result Execution time Memory
1038012 2024-07-29T12:06:15 Z vako_p Dango Maker (JOI18_dango_maker) C++14
100 / 100
390 ms 229768 KB
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back

const int mxN = 3e3 + 5;
ll n,dp[mxN][mxN][3],ii,jj,m;
char a[mxN][mxN];

bool check(ll i, ll j, char ch){
	if(i >= n or i < 0 or j >= m or j < 0) return false;
	return (a[i][j] == ch);
}

void f(ll i, ll j){
	while(i >= 0 and j < m){
		ii = i;
		jj = j;
		if(j > 0 and i + 1 < n){
			ll x = max(dp[i + 1][j - 1][1], dp[i + 1][j - 1][0]);
			dp[i][j][2] = max(x, dp[i + 1][j - 1][2]);
		}
		if(a[i][j] != 'R'){
			i--;
			j++;
			continue;
		}
		// 0 -- > R
		// 1 -- > D 
		// 2 -- > 
		if(check(i + 1, j, 'G') and check(i + 2, j, 'W')){
			if(j > 0 and i + 1 < n){
				dp[i][j][1] = dp[i + 1][j - 1][1] + 1;
			}
			else dp[i][j][1] = 1;
			if(j > 1 and i + 2 < n){
				dp[i][j][1] = max(dp[i][j][1], max(dp[i + 2][j - 2][1], dp[i + 2][j - 2][2]) + 1);
			}
		}
		if(check(i, j + 1, 'G') and check(i, j + 2, 'W')){
			dp[i][j][0] = dp[i][j][2] + 1;
		} 
		i--;
		j++;	
	}
}

int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> m;
	for(int i = 0; i < n; i++){
		for(int j = 0; j < m; j++) cin >> a[i][j];
	}
	ll ans = 0;
	for(int i = 0; i < n; i++){
		f(i, 0);
		ans += max(dp[ii][jj][0], max(dp[ii][jj][1], dp[ii][jj][2]));
//		cout << i << ' ' << ii << ' ' << jj << ' ' << max(dp[ii][jj][0], dp[ii][jj][1]) << '\n';
	}
	for(int j = 1; j < m; j++){
		f(n - 1, j);
		ans += max(dp[ii][jj][0], max(dp[ii][jj][1], dp[ii][jj][2]));
	}
	cout << ans << '\n';
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2516 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2516 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 0 ms 2392 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 0 ms 2512 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2392 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2396 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 0 ms 2396 KB Output is correct
8 Correct 1 ms 2396 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 1 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 0 ms 2396 KB Output is correct
13 Correct 1 ms 2396 KB Output is correct
14 Correct 1 ms 2516 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 1 ms 2396 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 0 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 0 ms 2396 KB Output is correct
23 Correct 1 ms 2396 KB Output is correct
24 Correct 0 ms 2396 KB Output is correct
25 Correct 0 ms 2396 KB Output is correct
26 Correct 1 ms 2396 KB Output is correct
27 Correct 1 ms 2396 KB Output is correct
28 Correct 1 ms 2396 KB Output is correct
29 Correct 0 ms 2392 KB Output is correct
30 Correct 1 ms 2396 KB Output is correct
31 Correct 1 ms 2396 KB Output is correct
32 Correct 1 ms 2396 KB Output is correct
33 Correct 1 ms 2396 KB Output is correct
34 Correct 1 ms 2396 KB Output is correct
35 Correct 1 ms 2396 KB Output is correct
36 Correct 0 ms 2396 KB Output is correct
37 Correct 0 ms 2396 KB Output is correct
38 Correct 1 ms 2396 KB Output is correct
39 Correct 1 ms 2396 KB Output is correct
40 Correct 0 ms 2396 KB Output is correct
41 Correct 0 ms 2396 KB Output is correct
42 Correct 0 ms 2396 KB Output is correct
43 Correct 0 ms 2396 KB Output is correct
44 Correct 0 ms 2396 KB Output is correct
45 Correct 1 ms 2396 KB Output is correct
46 Correct 1 ms 2396 KB Output is correct
47 Correct 0 ms 2512 KB Output is correct
48 Correct 0 ms 2396 KB Output is correct
49 Correct 1 ms 2396 KB Output is correct
50 Correct 1 ms 2392 KB Output is correct
51 Correct 1 ms 2396 KB Output is correct
52 Correct 0 ms 2396 KB Output is correct
53 Correct 1 ms 2396 KB Output is correct
54 Correct 0 ms 2516 KB Output is correct
55 Correct 2 ms 17808 KB Output is correct
56 Correct 1 ms 2396 KB Output is correct
57 Correct 8 ms 36444 KB Output is correct
58 Correct 32 ms 34560 KB Output is correct
59 Correct 249 ms 229620 KB Output is correct
60 Correct 262 ms 229552 KB Output is correct
61 Correct 256 ms 229748 KB Output is correct
62 Correct 1 ms 2396 KB Output is correct
63 Correct 241 ms 229356 KB Output is correct
64 Correct 250 ms 229620 KB Output is correct
65 Correct 268 ms 229748 KB Output is correct
66 Correct 296 ms 229768 KB Output is correct
67 Correct 316 ms 229488 KB Output is correct
68 Correct 390 ms 229704 KB Output is correct
69 Correct 258 ms 229612 KB Output is correct
70 Correct 38 ms 50752 KB Output is correct
71 Correct 38 ms 50820 KB Output is correct
72 Correct 27 ms 50780 KB Output is correct
73 Correct 24 ms 50892 KB Output is correct
74 Correct 35 ms 50836 KB Output is correct
75 Correct 30 ms 50808 KB Output is correct
76 Correct 25 ms 50812 KB Output is correct
77 Correct 24 ms 50780 KB Output is correct
78 Correct 31 ms 50924 KB Output is correct
79 Correct 29 ms 50780 KB Output is correct
80 Correct 39 ms 50816 KB Output is correct
81 Correct 39 ms 50924 KB Output is correct
82 Correct 36 ms 50908 KB Output is correct
83 Correct 39 ms 50772 KB Output is correct
84 Correct 39 ms 50772 KB Output is correct
85 Correct 29 ms 50772 KB Output is correct
86 Correct 27 ms 50816 KB Output is correct
87 Correct 27 ms 50816 KB Output is correct
88 Correct 25 ms 50880 KB Output is correct
89 Correct 35 ms 50808 KB Output is correct
90 Correct 35 ms 50716 KB Output is correct