oj.uz

Submission #1032530

# Submission time Handle Problem Language Result Execution time Memory
1032530 2024-07-24T00:00:03 Z juicy Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 388 ms 782272 KB 
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 405;

int n;
string s;
int sf[3][N][N], dp[N][N][N][3];

int conv(char c) {
	return c == 'R' ? 0 : (c == 'G' ? 1 : 2);
}

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);
	
	cin >> n >> s;
	array<int, 3> cnt{};
	array<vector<int>, 3> pos;
	for (int i = 0; i < n; ++i) {
		int c = conv(s[i]);
		++cnt[c];
		pos[c].push_back(i);
	}
	for (int i = 0; i < 3; ++i) {
		for (int j = 1; j <= n; ++j) {
			for (int k = cnt[i] - 1; k >= 0; --k) {
				sf[i][j][k] = sf[i][j][k + 1] + (pos[i][k] < j);
			}
		} 
	}
	memset(dp, 0x3f, sizeof(dp));
	for (int j = 0; j < 3; ++j) {
		dp[0][0][0][j] = 0;
	}
	for (int i = 0; i <= cnt[0]; ++i) {
		for (int j = 0; j <= cnt[1]; ++j) {
			for (int k = 0; k <= cnt[2]; ++k) {
				for (int c = 0; c < 3; ++c) {
					if (dp[i][j][k][c] < 1e9) {
						auto cost = [&](int p) {
							return sf[0][p][i] + sf[1][p][j] + sf[2][p][k];
						};
						if (c != 0 && i + 1 <= cnt[0]) {
							dp[i + 1][j][k][0] = min(dp[i + 1][j][k][0], dp[i][j][k][c] + cost(pos[0][i]));
						}
						if (c != 1 && j + 1 <= cnt[1]) {
							dp[i][j + 1][k][1] = min(dp[i][j + 1][k][1], dp[i][j][k][c] + cost(pos[1][j]));
						}
						if (c != 2 && k + 1 <= cnt[2]) {
							dp[i][j][k + 1][2] = min(dp[i][j][k + 1][2], dp[i][j][k][c] + cost(pos[2][k]));
						}
					}
				}
			}
		}
	} 
	int res = *min_element(dp[cnt[0]][cnt[1]][cnt[2]], dp[cnt[0]][cnt[1]][cnt[2]] + 3);
	cout << (res > 1e9 ? -1 : res);
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 780400 KB Output is correct
2 Correct 308 ms 780432 KB Output is correct
3 Correct 323 ms 780396 KB Output is correct
4 Correct 326 ms 780368 KB Output is correct
5 Correct 330 ms 780372 KB Output is correct
6 Correct 316 ms 780376 KB Output is correct
7 Correct 318 ms 780372 KB Output is correct
8 Correct 310 ms 780372 KB Output is correct
9 Correct 308 ms 780372 KB Output is correct
10 Correct 303 ms 780368 KB Output is correct
11 Correct 319 ms 780336 KB Output is correct
12 Correct 345 ms 780512 KB Output is correct
13 Correct 333 ms 780368 KB Output is correct
14 Correct 343 ms 780384 KB Output is correct
15 Correct 339 ms 780296 KB Output is correct
16 Correct 336 ms 780416 KB Output is correct
17 Correct 328 ms 780296 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 780400 KB Output is correct
2 Correct 308 ms 780432 KB Output is correct
3 Correct 323 ms 780396 KB Output is correct
4 Correct 326 ms 780368 KB Output is correct
5 Correct 330 ms 780372 KB Output is correct
6 Correct 316 ms 780376 KB Output is correct
7 Correct 318 ms 780372 KB Output is correct
8 Correct 310 ms 780372 KB Output is correct
9 Correct 308 ms 780372 KB Output is correct
10 Correct 303 ms 780368 KB Output is correct
11 Correct 319 ms 780336 KB Output is correct
12 Correct 345 ms 780512 KB Output is correct
13 Correct 333 ms 780368 KB Output is correct
14 Correct 343 ms 780384 KB Output is correct
15 Correct 339 ms 780296 KB Output is correct
16 Correct 336 ms 780416 KB Output is correct
17 Correct 328 ms 780296 KB Output is correct
18 Correct 334 ms 780636 KB Output is correct
19 Correct 332 ms 780636 KB Output is correct
20 Correct 337 ms 780628 KB Output is correct
21 Correct 327 ms 780624 KB Output is correct
22 Correct 346 ms 780516 KB Output is correct
23 Correct 343 ms 780548 KB Output is correct
24 Correct 325 ms 780568 KB Output is correct
25 Correct 324 ms 780628 KB Output is correct
26 Correct 339 ms 780628 KB Output is correct
27 Correct 324 ms 780636 KB Output is correct
28 Correct 327 ms 780536 KB Output is correct
29 Correct 326 ms 780624 KB Output is correct
30 Correct 324 ms 780628 KB Output is correct
31 Correct 388 ms 780628 KB Output is correct
32 Correct 324 ms 780628 KB Output is correct
33 Correct 340 ms 780728 KB Output is correct
34 Correct 365 ms 780884 KB Output is correct
35 Correct 338 ms 780520 KB Output is correct
36 Correct 326 ms 780520 KB Output is correct
37 Correct 347 ms 780704 KB Output is correct
38 Correct 330 ms 780628 KB Output is correct
39 Correct 329 ms 780548 KB Output is correct
40 Correct 339 ms 780564 KB Output is correct
41 Correct 337 ms 780516 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 339 ms 780368 KB Output is correct
2 Correct 348 ms 781676 KB Output is correct
3 Correct 371 ms 781704 KB Output is correct
4 Correct 336 ms 781544 KB Output is correct
5 Correct 326 ms 781644 KB Output is correct
6 Correct 326 ms 781460 KB Output is correct
7 Correct 331 ms 781648 KB Output is correct
8 Correct 340 ms 781648 KB Output is correct
9 Correct 368 ms 781648 KB Output is correct
10 Correct 320 ms 781648 KB Output is correct
11 Correct 324 ms 781472 KB Output is correct
12 Correct 331 ms 780884 KB Output is correct
13 Correct 338 ms 781140 KB Output is correct
14 Correct 318 ms 781392 KB Output is correct
15 Correct 326 ms 781672 KB Output is correct
16 Correct 320 ms 781652 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 780400 KB Output is correct
2 Correct 308 ms 780432 KB Output is correct
3 Correct 323 ms 780396 KB Output is correct
4 Correct 326 ms 780368 KB Output is correct
5 Correct 330 ms 780372 KB Output is correct
6 Correct 316 ms 780376 KB Output is correct
7 Correct 318 ms 780372 KB Output is correct
8 Correct 310 ms 780372 KB Output is correct
9 Correct 308 ms 780372 KB Output is correct
10 Correct 303 ms 780368 KB Output is correct
11 Correct 319 ms 780336 KB Output is correct
12 Correct 345 ms 780512 KB Output is correct
13 Correct 333 ms 780368 KB Output is correct
14 Correct 343 ms 780384 KB Output is correct
15 Correct 339 ms 780296 KB Output is correct
16 Correct 336 ms 780416 KB Output is correct
17 Correct 328 ms 780296 KB Output is correct
18 Correct 334 ms 780636 KB Output is correct
19 Correct 332 ms 780636 KB Output is correct
20 Correct 337 ms 780628 KB Output is correct
21 Correct 327 ms 780624 KB Output is correct
22 Correct 346 ms 780516 KB Output is correct
23 Correct 343 ms 780548 KB Output is correct
24 Correct 325 ms 780568 KB Output is correct
25 Correct 324 ms 780628 KB Output is correct
26 Correct 339 ms 780628 KB Output is correct
27 Correct 324 ms 780636 KB Output is correct
28 Correct 327 ms 780536 KB Output is correct
29 Correct 326 ms 780624 KB Output is correct
30 Correct 324 ms 780628 KB Output is correct
31 Correct 388 ms 780628 KB Output is correct
32 Correct 324 ms 780628 KB Output is correct
33 Correct 340 ms 780728 KB Output is correct
34 Correct 365 ms 780884 KB Output is correct
35 Correct 338 ms 780520 KB Output is correct
36 Correct 326 ms 780520 KB Output is correct
37 Correct 347 ms 780704 KB Output is correct
38 Correct 330 ms 780628 KB Output is correct
39 Correct 329 ms 780548 KB Output is correct
40 Correct 339 ms 780564 KB Output is correct
41 Correct 337 ms 780516 KB Output is correct
42 Correct 339 ms 780368 KB Output is correct
43 Correct 348 ms 781676 KB Output is correct
44 Correct 371 ms 781704 KB Output is correct
45 Correct 336 ms 781544 KB Output is correct
46 Correct 326 ms 781644 KB Output is correct
47 Correct 326 ms 781460 KB Output is correct
48 Correct 331 ms 781648 KB Output is correct
49 Correct 340 ms 781648 KB Output is correct
50 Correct 368 ms 781648 KB Output is correct
51 Correct 320 ms 781648 KB Output is correct
52 Correct 324 ms 781472 KB Output is correct
53 Correct 331 ms 780884 KB Output is correct
54 Correct 338 ms 781140 KB Output is correct
55 Correct 318 ms 781392 KB Output is correct
56 Correct 326 ms 781672 KB Output is correct
57 Correct 320 ms 781652 KB Output is correct
58 Correct 366 ms 782164 KB Output is correct
59 Correct 343 ms 782164 KB Output is correct
60 Correct 345 ms 782164 KB Output is correct
61 Correct 348 ms 782244 KB Output is correct
62 Correct 327 ms 782160 KB Output is correct
63 Correct 323 ms 782160 KB Output is correct
64 Correct 338 ms 782160 KB Output is correct
65 Correct 378 ms 782220 KB Output is correct
66 Correct 360 ms 782164 KB Output is correct
67 Correct 351 ms 782164 KB Output is correct
68 Correct 343 ms 782256 KB Output is correct
69 Correct 352 ms 782160 KB Output is correct
70 Correct 367 ms 782168 KB Output is correct
71 Correct 351 ms 782164 KB Output is correct
72 Correct 315 ms 782272 KB Output is correct
73 Correct 346 ms 782168 KB Output is correct