oj.uz

Submission #515781

# Submission time Handle Problem Language Result Execution time Memory
515781 2022-01-19T16:18:21 Z thiago_bastos Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 162912 KB 
#include "bits/stdc++.h"

using namespace std;
 
using i64 = long long;
using u64 = unsigned long long;
using i32 = int;
using u32 = unsigned;
using i16 = short;
using u16 = unsigned short;
using ld = long double;
using ii = pair<int, int>;

const int N = 401, INF = 1e9;

int dp[N][N][N][3];

void solve() {
	
	int n, r, g, y;
	string s, p = "RGY";
	vector<int> pos[3];

	cin >> n >> s;

	for(int i = 0; i < n; ++i) {
		for(int j = 0; j < 3; ++j) {
			if(s[i] == p[j])
				pos[j].push_back(i);
		}
	}

	r = pos[0].size();
	g = pos[1].size();
	y = pos[2].size();

	for(int i = 0; i <= r; ++i)
	for(int j = 0; j <= g; ++j)
	for(int k = 0; k <= y; ++k)
	for(int l = 0; l < 3; ++l)
		dp[i][j][k][l] = INF;

	for(int l = 0; l < 3; ++l) dp[0][0][0][l] = 0;

	for(int i = 0; i <= r; ++i) {
		for(int j = 0; j <= g; ++j) {
			for(int k = 0; k <= y; ++k) {
				int hi[3][2] = {{0}};

				if(i > 0) {
					int p = pos[0][i - 1];
					int& a = hi[0][0];
					int& b = hi[0][1];

					while(a < g && pos[1][a] < p) ++a;
					while(b < y && pos[2][b] < p) ++b;

					int moves = max(0, a - j) + max(0, b - k);

					for(int l : {1, 2})
						dp[i][j][k][0] = min(dp[i][j][k][0], dp[i - 1][j][k][l] + moves);
				}

				if(j > 0) {
					int p = pos[1][j - 1];
					int& a = hi[1][0];
					int& b = hi[1][1];

					while(a < r && pos[0][a] < p) ++a;
					while(b < y && pos[2][b] < p) ++b;

					int moves = max(0, a - i) + max(0, b - k);

					for(int l : {0, 2})
						dp[i][j][k][1] = min(dp[i][j][k][1], dp[i][j - 1][k][l] + moves);
				}

				if(k > 0) {
					int p = pos[2][k - 1];
					int& a = hi[2][0];
					int& b = hi[2][1];

					while(a < r && pos[0][a] < p) ++a;
					while(b < g && pos[1][b] < p) ++b;

					int moves = max(0, a - i) + max(0, b - j);

					for(int l : {0, 1})
						dp[i][j][k][2] = min(dp[i][j][k][2], dp[i][j][k - 1][l] + moves);
				}
			}
		}
	}

	int ans = min({dp[r][g][y][0], dp[r][g][y][1], dp[r][g][y][2]});
	if(ans == INF) ans = -1;
	cout << ans << '\n';
}
 
int main() {
	ios_base :: sync_with_stdio(false);
	cin.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) solve();
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 0 ms 448 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 448 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 0 ms 448 KB Output is correct
17 Correct 0 ms 324 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 0 ms 448 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 448 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 0 ms 448 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 2 ms 2244 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 2252 KB Output is correct
21 Correct 2 ms 2344 KB Output is correct
22 Correct 2 ms 1580 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 1 ms 1604 KB Output is correct
25 Correct 2 ms 3916 KB Output is correct
26 Correct 2 ms 4044 KB Output is correct
27 Correct 2 ms 3020 KB Output is correct
28 Correct 2 ms 2252 KB Output is correct
29 Correct 2 ms 2124 KB Output is correct
30 Correct 2 ms 2192 KB Output is correct
31 Correct 1 ms 1996 KB Output is correct
32 Correct 2 ms 2380 KB Output is correct
33 Correct 2 ms 3788 KB Output is correct
34 Correct 2 ms 3532 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 1848 KB Output is correct
37 Correct 1 ms 1704 KB Output is correct
38 Correct 2 ms 2112 KB Output is correct
39 Correct 2 ms 2252 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 2 ms 2124 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 65 ms 162856 KB Output is correct
3 Correct 63 ms 162120 KB Output is correct
4 Correct 61 ms 162884 KB Output is correct
5 Correct 62 ms 162908 KB Output is correct
6 Correct 68 ms 162912 KB Output is correct
7 Correct 82 ms 162048 KB Output is correct
8 Correct 64 ms 162104 KB Output is correct
9 Correct 62 ms 161324 KB Output is correct
10 Correct 65 ms 162836 KB Output is correct
11 Correct 62 ms 162884 KB Output is correct
12 Correct 18 ms 43980 KB Output is correct
13 Correct 31 ms 77128 KB Output is correct
14 Correct 45 ms 111292 KB Output is correct
15 Correct 73 ms 162856 KB Output is correct
16 Correct 62 ms 162832 KB Output is correct

Subtask #4
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 324 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 316 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 300 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 0 ms 448 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 0 ms 460 KB Output is correct
12 Correct 1 ms 448 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 312 KB Output is correct
16 Correct 0 ms 448 KB Output is correct
17 Correct 0 ms 324 KB Output is correct
18 Correct 2 ms 2244 KB Output is correct
19 Correct 2 ms 1868 KB Output is correct
20 Correct 2 ms 2252 KB Output is correct
21 Correct 2 ms 2344 KB Output is correct
22 Correct 2 ms 1580 KB Output is correct
23 Correct 2 ms 2124 KB Output is correct
24 Correct 1 ms 1604 KB Output is correct
25 Correct 2 ms 3916 KB Output is correct
26 Correct 2 ms 4044 KB Output is correct
27 Correct 2 ms 3020 KB Output is correct
28 Correct 2 ms 2252 KB Output is correct
29 Correct 2 ms 2124 KB Output is correct
30 Correct 2 ms 2192 KB Output is correct
31 Correct 1 ms 1996 KB Output is correct
32 Correct 2 ms 2380 KB Output is correct
33 Correct 2 ms 3788 KB Output is correct
34 Correct 2 ms 3532 KB Output is correct
35 Correct 2 ms 2636 KB Output is correct
36 Correct 2 ms 1848 KB Output is correct
37 Correct 1 ms 1704 KB Output is correct
38 Correct 2 ms 2112 KB Output is correct
39 Correct 2 ms 2252 KB Output is correct
40 Correct 1 ms 304 KB Output is correct
41 Correct 2 ms 2124 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 65 ms 162856 KB Output is correct
44 Correct 63 ms 162120 KB Output is correct
45 Correct 61 ms 162884 KB Output is correct
46 Correct 62 ms 162908 KB Output is correct
47 Correct 68 ms 162912 KB Output is correct
48 Correct 82 ms 162048 KB Output is correct
49 Correct 64 ms 162104 KB Output is correct
50 Correct 62 ms 161324 KB Output is correct
51 Correct 65 ms 162836 KB Output is correct
52 Correct 62 ms 162884 KB Output is correct
53 Correct 18 ms 43980 KB Output is correct
54 Correct 31 ms 77128 KB Output is correct
55 Correct 45 ms 111292 KB Output is correct
56 Correct 73 ms 162856 KB Output is correct
57 Correct 62 ms 162832 KB Output is correct
58 Execution timed out 753 ms 75476 KB Time limit exceeded
59 Halted 0 ms 0 KB -