oj.uz

Submission #119973

# Submission time Handle Problem Language Result Execution time Memory
119973 2019-06-22T20:14:28 Z tutis Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 71400 KB 
/*input
20
YYGYYYGGGGRGYYGRGRYG
*/
#pragma GCC optimize ("O3")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
map<pair<string, char>, int>M;
int dp(string s, char x)
{
	if (M.count({s, x}))
		return M[ {s, x}];
	if (s.size() == 1)
	{
		if (s[0] == x)
			return 0;
		else
			return 3e8;
	}
	int cost = 0;
	for (int i = s.size() - 1; i >= 0; i--)
	{
		if (s[i] == x)
		{
			cost += (int)s.size() - i - 1;
			string ss = s;
			s.erase(s.begin() + i);
			int mini = 3e8;
			for (char y : {'R', 'G', 'Y'})
			{
				if (y == x)
					continue;
				mini = min(mini, dp(s, y));
			}
			return M[ {ss, x}] = cost + mini;
		}
	}
	return M[ {s, x}] = 3e8;
}
int main()
{
	ios_base::sync_with_stdio(false);
	int n;
	string s;
	cin >> n >> s;
	int ans = min({dp(s, 'R'), dp(s, 'G'), dp(s, 'Y')});
	if (ans > 1e8)
		ans = -1;
	cout << ans << "\n";
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 336 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 388 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 300 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 336 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 388 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 300 KB Output is correct
18 Correct 32 ms 2196 KB Output is correct
19 Correct 34 ms 2168 KB Output is correct
20 Correct 30 ms 2104 KB Output is correct
21 Correct 35 ms 2300 KB Output is correct
22 Correct 22 ms 1628 KB Output is correct
23 Correct 36 ms 2168 KB Output is correct
24 Correct 19 ms 1408 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 20 ms 1532 KB Output is correct
28 Correct 34 ms 2312 KB Output is correct
29 Correct 30 ms 2312 KB Output is correct
30 Correct 31 ms 2168 KB Output is correct
31 Correct 33 ms 2040 KB Output is correct
32 Correct 36 ms 2168 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 24 ms 1784 KB Output is correct
36 Correct 33 ms 2112 KB Output is correct
37 Correct 30 ms 1664 KB Output is correct
38 Correct 25 ms 1784 KB Output is correct
39 Correct 32 ms 2296 KB Output is correct
40 Correct 2 ms 384 KB Output is correct
41 Correct 4 ms 612 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 4 ms 896 KB Output is correct
3 Correct 4 ms 896 KB Output is correct
4 Correct 4 ms 896 KB Output is correct
5 Correct 5 ms 896 KB Output is correct
6 Correct 5 ms 896 KB Output is correct
7 Correct 4 ms 868 KB Output is correct
8 Correct 4 ms 900 KB Output is correct
9 Correct 4 ms 868 KB Output is correct
10 Correct 5 ms 896 KB Output is correct
11 Correct 4 ms 896 KB Output is correct
12 Correct 3 ms 512 KB Output is correct
13 Correct 3 ms 640 KB Output is correct
14 Correct 4 ms 768 KB Output is correct
15 Correct 4 ms 844 KB Output is correct
16 Correct 5 ms 896 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 336 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 388 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 300 KB Output is correct
18 Correct 32 ms 2196 KB Output is correct
19 Correct 34 ms 2168 KB Output is correct
20 Correct 30 ms 2104 KB Output is correct
21 Correct 35 ms 2300 KB Output is correct
22 Correct 22 ms 1628 KB Output is correct
23 Correct 36 ms 2168 KB Output is correct
24 Correct 19 ms 1408 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 3 ms 512 KB Output is correct
27 Correct 20 ms 1532 KB Output is correct
28 Correct 34 ms 2312 KB Output is correct
29 Correct 30 ms 2312 KB Output is correct
30 Correct 31 ms 2168 KB Output is correct
31 Correct 33 ms 2040 KB Output is correct
32 Correct 36 ms 2168 KB Output is correct
33 Correct 3 ms 512 KB Output is correct
34 Correct 5 ms 640 KB Output is correct
35 Correct 24 ms 1784 KB Output is correct
36 Correct 33 ms 2112 KB Output is correct
37 Correct 30 ms 1664 KB Output is correct
38 Correct 25 ms 1784 KB Output is correct
39 Correct 32 ms 2296 KB Output is correct
40 Correct 2 ms 384 KB Output is correct
41 Correct 4 ms 612 KB Output is correct
42 Correct 2 ms 384 KB Output is correct
43 Correct 4 ms 896 KB Output is correct
44 Correct 4 ms 896 KB Output is correct
45 Correct 4 ms 896 KB Output is correct
46 Correct 5 ms 896 KB Output is correct
47 Correct 5 ms 896 KB Output is correct
48 Correct 4 ms 868 KB Output is correct
49 Correct 4 ms 900 KB Output is correct
50 Correct 4 ms 868 KB Output is correct
51 Correct 5 ms 896 KB Output is correct
52 Correct 4 ms 896 KB Output is correct
53 Correct 3 ms 512 KB Output is correct
54 Correct 3 ms 640 KB Output is correct
55 Correct 4 ms 768 KB Output is correct
56 Correct 4 ms 844 KB Output is correct
57 Correct 5 ms 896 KB Output is correct
58 Execution timed out 1062 ms 71400 KB Time limit exceeded
59 Halted 0 ms 0 KB -