oj.uz

Submission #91391

# Submission time Handle Problem Language Result Execution time Memory
91391 2018-12-27T10:13:52 Z aminra Dango Maker (JOI18_dango_maker) C++14
100 / 100
 254 ms 113528 KB 
//tavakol bar khoda
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MAXN = (int)3e3 + 3;
const int MOD = (int)1e9 + 7;
const int infint = (int)1e8 + 3;
const ll inf = (ll)1e18;
int n, m, dp[MAXN][4];
char c[MAXN][MAXN];
int satri(int i, int j)
{
	return j < m - 2 && c[i][j] == 'R' && c[i][j + 1] == 'G' && c[i][j + 2] == 'W';
}
int sotuni(int i, int j)
{
	return i < n - 2 && c[i][j] == 'R' && c[i + 1][j] == 'G' && c[i + 2][j] == 'W';
}
int MAX(int idx)
{
	return max(max(dp[idx][0], dp[idx][1]), max(dp[idx][2], dp[idx][3]));
}
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 >> c[i][j];
	int ans = 0;
	for (int i = 0; i < m; i++)
	{
		int mx = 0;
		memset(dp, 0, sizeof dp);
		if(satri(0, i))
			dp[0][0] = 1;
		else
		if(sotuni(0, i))
			dp[0][1] = 1;
		mx = MAX(0);
		for (int j = 1; j < n && i - j >= 0; j++)
		{
			//(j, i - j)
			dp[j][0] = max(dp[j - 1][2], dp[j - 1][0] + satri(j, i - j));
			dp[j][2] = max(dp[j - 1][1], dp[j - 1][3]);
			dp[j][1] = max(dp[j - 1][0], dp[j - 1][2]) + sotuni(j, i - j);
			dp[j][3] = max(dp[j - 1][1], dp[j - 1][3]) + sotuni(j, i - j);
			mx = max(mx, MAX(j));
		}
		ans += mx;
	}
	for (int i = 1; i < n; i++)
	{
		int mx = 0;
		memset(dp, 0, sizeof dp);
		if(sotuni(i, m - 1))
			dp[0][1] = 1;
		mx = MAX(0);
		for (int j = 1; j + i < n && m - 1 - j >= 0; j++)
		{
			//(j + i, m - 1 - j)
			dp[j][0] = max(dp[j - 1][2], dp[j - 1][0] + satri(j + i, m - 1 - j));
			dp[j][2] = max(dp[j - 1][1], dp[j - 1][3]);
			dp[j][1] = max(dp[j - 1][0], dp[j - 1][2]) + sotuni(j + i, m - 1 - j);
			dp[j][3] = max(dp[j - 1][1], dp[j - 1][3]) + sotuni(j + i, m - 1 - j);
			mx = max(mx, MAX(j));
		}
		ans += mx;
	}
	cout << ans;
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 572 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 648 KB Output is correct
6 Correct 2 ms 676 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 684 KB Output is correct
9 Correct 2 ms 704 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 712 KB Output is correct
12 Correct 2 ms 716 KB Output is correct
13 Correct 2 ms 728 KB Output is correct
14 Correct 2 ms 728 KB Output is correct
15 Correct 2 ms 728 KB Output is correct
16 Correct 2 ms 732 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 572 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 648 KB Output is correct
6 Correct 2 ms 676 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 684 KB Output is correct
9 Correct 2 ms 704 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 712 KB Output is correct
12 Correct 2 ms 716 KB Output is correct
13 Correct 2 ms 728 KB Output is correct
14 Correct 2 ms 728 KB Output is correct
15 Correct 2 ms 728 KB Output is correct
16 Correct 2 ms 732 KB Output is correct
17 Correct 2 ms 736 KB Output is correct
18 Correct 2 ms 740 KB Output is correct
19 Correct 2 ms 916 KB Output is correct
20 Correct 2 ms 916 KB Output is correct
21 Correct 2 ms 916 KB Output is correct
22 Correct 2 ms 916 KB Output is correct
23 Correct 2 ms 916 KB Output is correct
24 Correct 2 ms 916 KB Output is correct
25 Correct 2 ms 916 KB Output is correct
26 Correct 2 ms 916 KB Output is correct
27 Correct 2 ms 916 KB Output is correct
28 Correct 2 ms 916 KB Output is correct
29 Correct 2 ms 916 KB Output is correct
30 Correct 2 ms 916 KB Output is correct
31 Correct 2 ms 916 KB Output is correct
32 Correct 2 ms 916 KB Output is correct
33 Correct 2 ms 916 KB Output is correct
34 Correct 2 ms 916 KB Output is correct
35 Correct 2 ms 916 KB Output is correct
36 Correct 2 ms 916 KB Output is correct
37 Correct 2 ms 916 KB Output is correct
38 Correct 2 ms 960 KB Output is correct
39 Correct 2 ms 960 KB Output is correct
40 Correct 2 ms 960 KB Output is correct
41 Correct 2 ms 960 KB Output is correct
42 Correct 2 ms 960 KB Output is correct
43 Correct 2 ms 960 KB Output is correct
44 Correct 2 ms 960 KB Output is correct
45 Correct 2 ms 960 KB Output is correct
46 Correct 2 ms 960 KB Output is correct
47 Correct 2 ms 960 KB Output is correct
48 Correct 2 ms 960 KB Output is correct
49 Correct 1 ms 960 KB Output is correct
50 Correct 2 ms 960 KB Output is correct
51 Correct 2 ms 960 KB Output is correct
52 Correct 2 ms 960 KB Output is correct
53 Correct 2 ms 960 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 572 KB Output is correct
3 Correct 2 ms 592 KB Output is correct
4 Correct 2 ms 592 KB Output is correct
5 Correct 2 ms 648 KB Output is correct
6 Correct 2 ms 676 KB Output is correct
7 Correct 2 ms 676 KB Output is correct
8 Correct 2 ms 684 KB Output is correct
9 Correct 2 ms 704 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 712 KB Output is correct
12 Correct 2 ms 716 KB Output is correct
13 Correct 2 ms 728 KB Output is correct
14 Correct 2 ms 728 KB Output is correct
15 Correct 2 ms 728 KB Output is correct
16 Correct 2 ms 732 KB Output is correct
17 Correct 2 ms 736 KB Output is correct
18 Correct 2 ms 740 KB Output is correct
19 Correct 2 ms 916 KB Output is correct
20 Correct 2 ms 916 KB Output is correct
21 Correct 2 ms 916 KB Output is correct
22 Correct 2 ms 916 KB Output is correct
23 Correct 2 ms 916 KB Output is correct
24 Correct 2 ms 916 KB Output is correct
25 Correct 2 ms 916 KB Output is correct
26 Correct 2 ms 916 KB Output is correct
27 Correct 2 ms 916 KB Output is correct
28 Correct 2 ms 916 KB Output is correct
29 Correct 2 ms 916 KB Output is correct
30 Correct 2 ms 916 KB Output is correct
31 Correct 2 ms 916 KB Output is correct
32 Correct 2 ms 916 KB Output is correct
33 Correct 2 ms 916 KB Output is correct
34 Correct 2 ms 916 KB Output is correct
35 Correct 2 ms 916 KB Output is correct
36 Correct 2 ms 916 KB Output is correct
37 Correct 2 ms 916 KB Output is correct
38 Correct 2 ms 960 KB Output is correct
39 Correct 2 ms 960 KB Output is correct
40 Correct 2 ms 960 KB Output is correct
41 Correct 2 ms 960 KB Output is correct
42 Correct 2 ms 960 KB Output is correct
43 Correct 2 ms 960 KB Output is correct
44 Correct 2 ms 960 KB Output is correct
45 Correct 2 ms 960 KB Output is correct
46 Correct 2 ms 960 KB Output is correct
47 Correct 2 ms 960 KB Output is correct
48 Correct 2 ms 960 KB Output is correct
49 Correct 1 ms 960 KB Output is correct
50 Correct 2 ms 960 KB Output is correct
51 Correct 2 ms 960 KB Output is correct
52 Correct 2 ms 960 KB Output is correct
53 Correct 2 ms 960 KB Output is correct
54 Correct 9 ms 960 KB Output is correct
55 Correct 14 ms 9784 KB Output is correct
56 Correct 9 ms 9784 KB Output is correct
57 Correct 11 ms 9784 KB Output is correct
58 Correct 35 ms 9784 KB Output is correct
59 Correct 252 ms 19740 KB Output is correct
60 Correct 253 ms 28476 KB Output is correct
61 Correct 254 ms 37300 KB Output is correct
62 Correct 8 ms 37300 KB Output is correct
63 Correct 230 ms 45788 KB Output is correct
64 Correct 186 ms 54764 KB Output is correct
65 Correct 198 ms 63464 KB Output is correct
66 Correct 193 ms 72380 KB Output is correct
67 Correct 195 ms 81104 KB Output is correct
68 Correct 182 ms 89924 KB Output is correct
69 Correct 195 ms 98856 KB Output is correct
70 Correct 23 ms 98856 KB Output is correct
71 Correct 24 ms 98856 KB Output is correct
72 Correct 26 ms 98856 KB Output is correct
73 Correct 24 ms 98856 KB Output is correct
74 Correct 24 ms 98856 KB Output is correct
75 Correct 25 ms 98856 KB Output is correct
76 Correct 43 ms 99756 KB Output is correct
77 Correct 24 ms 100736 KB Output is correct
78 Correct 24 ms 101732 KB Output is correct
79 Correct 24 ms 102712 KB Output is correct
80 Correct 27 ms 103696 KB Output is correct
81 Correct 24 ms 104668 KB Output is correct
82 Correct 23 ms 105636 KB Output is correct
83 Correct 24 ms 106600 KB Output is correct
84 Correct 24 ms 107568 KB Output is correct
85 Correct 24 ms 108584 KB Output is correct
86 Correct 24 ms 109552 KB Output is correct
87 Correct 24 ms 110712 KB Output is correct
88 Correct 24 ms 111580 KB Output is correct
89 Correct 25 ms 112564 KB Output is correct
90 Correct 26 ms 113528 KB Output is correct