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Submission #914833

# Submission time Handle Problem Language Result Execution time Memory
914833 2024-01-22T17:58:37 Z happypotato Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 321 ms 761232 KB 
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int, int>
#define ff first
#define ss second
#define pb push_back
unordered_map<char, int> conv = {{'R', 0}, {'G', 1}, {'Y', 2}};
const int mxN = 402;
int dp[mxN][mxN][mxN][3];
int a[mxN];
vector<int> v[3];
int ps[3][mxN];
int n;
int main() {
	ios::sync_with_stdio(0); cin.tie(0);

	cin >> n;
	string temp; cin >> temp;
	for (int i = 1; i <= n; i++) a[i] = conv[temp[i - 1]];

	for (int i = 0; i < 3; i++) {
		v[i] = {-1};
		ps[i][0] = 0;
		for (int j = 1; j <= n; j++) {
			ps[i][j] = ps[i][j - 1];
			if (a[j] == i) {
				ps[i][j]++; v[i].pb(j);
			}
		}
	}

	for (int i = 0; i <= n; i++) {
		for (int j = 0; j <= n; j++) {
			for (int k = 0; k <= n; k++) {
				for (int l = 0; l < 3; l++) {
					dp[i][j][k][l] = 1e8;
				}
			}
		}
	}

	dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;
	for (int a = 0; a <= ps[0][n]; a++) {
		for (int b = 0; b <= ps[1][n]; b++) {
			for (int c = 0; c <= ps[2][n]; c++) {
				if (a + b + c == 0) continue;
				if (a) {
					dp[a][b][c][0] = min(dp[a - 1][b][c][1], dp[a - 1][b][c][2]) + max(b - ps[1][v[0][a]], 0) + max(c - ps[2][v[0][a]], 0);
				}
				if (b) {
					dp[a][b][c][1] = min(dp[a][b - 1][c][0], dp[a][b - 1][c][2]) + max(a - ps[0][v[1][b]], 0) + max(c - ps[2][v[1][b]], 0);
				}
				if (c) {
					dp[a][b][c][2] = min(dp[a][b][c - 1][0], dp[a][b][c - 1][1]) + max(a - ps[0][v[2][c]], 0) + max(b - ps[1][v[2][c]], 0);
				}
			}
		}
	}

	int ans = 1e8;
	for (int i = 0; i < 3; i++) ans = min(ans, dp[ps[0][n]][ps[1][n]][ps[2][n]][i]);
	cout << (ans == 1e8 ? -1 : ans) << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 5 ms 29016 KB Output is correct
6 Correct 5 ms 29020 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29260 KB Output is correct
9 Correct 6 ms 29020 KB Output is correct
10 Correct 5 ms 29032 KB Output is correct
11 Correct 5 ms 29020 KB Output is correct
12 Correct 5 ms 29020 KB Output is correct
13 Correct 4 ms 29020 KB Output is correct
14 Correct 4 ms 26972 KB Output is correct
15 Correct 5 ms 29020 KB Output is correct
16 Correct 5 ms 29020 KB Output is correct
17 Correct 5 ms 27096 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 5 ms 29016 KB Output is correct
6 Correct 5 ms 29020 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29260 KB Output is correct
9 Correct 6 ms 29020 KB Output is correct
10 Correct 5 ms 29032 KB Output is correct
11 Correct 5 ms 29020 KB Output is correct
12 Correct 5 ms 29020 KB Output is correct
13 Correct 4 ms 29020 KB Output is correct
14 Correct 4 ms 26972 KB Output is correct
15 Correct 5 ms 29020 KB Output is correct
16 Correct 5 ms 29020 KB Output is correct
17 Correct 5 ms 27096 KB Output is correct
18 Correct 17 ms 115280 KB Output is correct
19 Correct 17 ms 115548 KB Output is correct
20 Correct 17 ms 115412 KB Output is correct
21 Correct 16 ms 115548 KB Output is correct
22 Correct 17 ms 115508 KB Output is correct
23 Correct 17 ms 115548 KB Output is correct
24 Correct 17 ms 115548 KB Output is correct
25 Correct 17 ms 115548 KB Output is correct
26 Correct 17 ms 115548 KB Output is correct
27 Correct 17 ms 115492 KB Output is correct
28 Correct 18 ms 115800 KB Output is correct
29 Correct 17 ms 115548 KB Output is correct
30 Correct 17 ms 115548 KB Output is correct
31 Correct 17 ms 115548 KB Output is correct
32 Correct 17 ms 115484 KB Output is correct
33 Correct 17 ms 113244 KB Output is correct
34 Correct 17 ms 113496 KB Output is correct
35 Correct 16 ms 111196 KB Output is correct
36 Correct 18 ms 113232 KB Output is correct
37 Correct 17 ms 109400 KB Output is correct
38 Correct 18 ms 115544 KB Output is correct
39 Correct 17 ms 115280 KB Output is correct
40 Correct 17 ms 113332 KB Output is correct
41 Correct 17 ms 115292 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6488 KB Output is correct
2 Correct 311 ms 761112 KB Output is correct
3 Correct 302 ms 757584 KB Output is correct
4 Correct 310 ms 760916 KB Output is correct
5 Correct 311 ms 760968 KB Output is correct
6 Correct 303 ms 760912 KB Output is correct
7 Correct 302 ms 757880 KB Output is correct
8 Correct 297 ms 757728 KB Output is correct
9 Correct 302 ms 754376 KB Output is correct
10 Correct 300 ms 761016 KB Output is correct
11 Correct 305 ms 760912 KB Output is correct
12 Correct 75 ms 299600 KB Output is correct
13 Correct 126 ms 420176 KB Output is correct
14 Correct 185 ms 553512 KB Output is correct
15 Correct 306 ms 761212 KB Output is correct
16 Correct 301 ms 761108 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 4 ms 20828 KB Output is correct
5 Correct 5 ms 29016 KB Output is correct
6 Correct 5 ms 29020 KB Output is correct
7 Correct 5 ms 29020 KB Output is correct
8 Correct 6 ms 29260 KB Output is correct
9 Correct 6 ms 29020 KB Output is correct
10 Correct 5 ms 29032 KB Output is correct
11 Correct 5 ms 29020 KB Output is correct
12 Correct 5 ms 29020 KB Output is correct
13 Correct 4 ms 29020 KB Output is correct
14 Correct 4 ms 26972 KB Output is correct
15 Correct 5 ms 29020 KB Output is correct
16 Correct 5 ms 29020 KB Output is correct
17 Correct 5 ms 27096 KB Output is correct
18 Correct 17 ms 115280 KB Output is correct
19 Correct 17 ms 115548 KB Output is correct
20 Correct 17 ms 115412 KB Output is correct
21 Correct 16 ms 115548 KB Output is correct
22 Correct 17 ms 115508 KB Output is correct
23 Correct 17 ms 115548 KB Output is correct
24 Correct 17 ms 115548 KB Output is correct
25 Correct 17 ms 115548 KB Output is correct
26 Correct 17 ms 115548 KB Output is correct
27 Correct 17 ms 115492 KB Output is correct
28 Correct 18 ms 115800 KB Output is correct
29 Correct 17 ms 115548 KB Output is correct
30 Correct 17 ms 115548 KB Output is correct
31 Correct 17 ms 115548 KB Output is correct
32 Correct 17 ms 115484 KB Output is correct
33 Correct 17 ms 113244 KB Output is correct
34 Correct 17 ms 113496 KB Output is correct
35 Correct 16 ms 111196 KB Output is correct
36 Correct 18 ms 113232 KB Output is correct
37 Correct 17 ms 109400 KB Output is correct
38 Correct 18 ms 115544 KB Output is correct
39 Correct 17 ms 115280 KB Output is correct
40 Correct 17 ms 113332 KB Output is correct
41 Correct 17 ms 115292 KB Output is correct
42 Correct 1 ms 6488 KB Output is correct
43 Correct 311 ms 761112 KB Output is correct
44 Correct 302 ms 757584 KB Output is correct
45 Correct 310 ms 760916 KB Output is correct
46 Correct 311 ms 760968 KB Output is correct
47 Correct 303 ms 760912 KB Output is correct
48 Correct 302 ms 757880 KB Output is correct
49 Correct 297 ms 757728 KB Output is correct
50 Correct 302 ms 754376 KB Output is correct
51 Correct 300 ms 761016 KB Output is correct
52 Correct 305 ms 760912 KB Output is correct
53 Correct 75 ms 299600 KB Output is correct
54 Correct 126 ms 420176 KB Output is correct
55 Correct 185 ms 553512 KB Output is correct
56 Correct 306 ms 761212 KB Output is correct
57 Correct 301 ms 761108 KB Output is correct
58 Correct 321 ms 760944 KB Output is correct
59 Correct 319 ms 761104 KB Output is correct
60 Correct 318 ms 754768 KB Output is correct
61 Correct 316 ms 757840 KB Output is correct
62 Correct 316 ms 761076 KB Output is correct
63 Correct 308 ms 760912 KB Output is correct
64 Correct 313 ms 761096 KB Output is correct
65 Correct 318 ms 757844 KB Output is correct
66 Correct 312 ms 751184 KB Output is correct
67 Correct 317 ms 761004 KB Output is correct
68 Correct 315 ms 757844 KB Output is correct
69 Correct 317 ms 761232 KB Output is correct
70 Correct 314 ms 760912 KB Output is correct
71 Correct 319 ms 757908 KB Output is correct
72 Correct 304 ms 757812 KB Output is correct
73 Correct 300 ms 760912 KB Output is correct