oj.uz

Submission #634053

# Submission time Handle Problem Language Result Execution time Memory
634053 2022-08-23T18:07:45 Z valerikk Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 447 ms 781652 KB 
#include <bits/stdc++.h>

using namespace std;

#define x first
#define y second
#define all(a) begin(a), end(a)
#define sz(a) ((int) (a).size())

using ll = long long;
using ld = long double;

const int N = 405;
const int INF = 0x3f3f3f3f;

int n;
vector<int> v[3];
int invs[3][3][N][N];
int dp[N][N][N][3];

void upd(int &a, int b) {
	a = min(a, b);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	string s;
	cin >> n >> s;
	for (int i = 0; i < n; ++i) {
		if (s[i] == 'R') v[0].push_back(i);
		if (s[i] == 'G') v[1].push_back(i);
		if (s[i] == 'Y') v[2].push_back(i);
	}
	for (int c1 = 0; c1 < 3; ++c1) {
		for (int c2 = 0; c2 < 3; ++c2) {
			if (c1 == c2) continue;
			for (int i = 0; i < sz(v[c1]); ++i) {
				int cnt = 0;
				for (int j = 0; j <= sz(v[c2]); ++j) {
					invs[c1][c2][i][j] = cnt;
					if (j < sz(v[c2]) && v[c2][j] > v[c1][i]) {
						++cnt;
					}
				}
			}
		}
	}
	memset(dp, 0x3f, sizeof(dp));
	if (sz(v[0]) > 0) {
		dp[1][0][0][0] = 0;
	}
	if (sz(v[1]) > 0) {
		dp[0][1][0][1] = 0;
	}
	if (sz(v[2]) > 0) {
		dp[0][0][1][2] = 0;
	}
	for (int i = 0; i <= sz(v[0]); ++i) {
		for (int j = 0; j <= sz(v[1]); ++j) {
			for (int k = 0; k <= sz(v[2]); ++k) {
				for (int f = 0; f < 3; ++f) {
					if (dp[i][j][k][f] == INF) continue;
					if (i < sz(v[0]) && f != 0) {
						upd(dp[i + 1][j][k][0], dp[i][j][k][f] + invs[0][1][i][j] + invs[0][2][i][k]);
					}
					if (j < sz(v[1]) && f != 1) {
						upd(dp[i][j + 1][k][1], dp[i][j][k][f] + invs[1][0][j][i] + invs[1][2][j][k]);
					}
					if (k < sz(v[2]) && f != 2) {
						upd(dp[i][j][k + 1][2], dp[i][j][k][f] + invs[2][0][k][i] + invs[2][1][k][j]);
					}
				}
			}
		}
	}
	int ans = INF;
	for (int i = 0; i < 3; ++i) {
		ans = min(ans, dp[sz(v[0])][sz(v[1])][sz(v[2])][i]);
	}
	cout << (ans == INF ? -1 : ans) << endl;
	return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 780232 KB Output is correct
2 Correct 304 ms 780224 KB Output is correct
3 Correct 303 ms 780216 KB Output is correct
4 Correct 293 ms 780256 KB Output is correct
5 Correct 318 ms 780328 KB Output is correct
6 Correct 295 ms 780340 KB Output is correct
7 Correct 292 ms 780352 KB Output is correct
8 Correct 298 ms 780432 KB Output is correct
9 Correct 294 ms 780468 KB Output is correct
10 Correct 297 ms 780372 KB Output is correct
11 Correct 294 ms 780268 KB Output is correct
12 Correct 300 ms 780288 KB Output is correct
13 Correct 304 ms 780324 KB Output is correct
14 Correct 294 ms 780252 KB Output is correct
15 Correct 297 ms 780288 KB Output is correct
16 Correct 289 ms 780400 KB Output is correct
17 Correct 290 ms 780320 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 780232 KB Output is correct
2 Correct 304 ms 780224 KB Output is correct
3 Correct 303 ms 780216 KB Output is correct
4 Correct 293 ms 780256 KB Output is correct
5 Correct 318 ms 780328 KB Output is correct
6 Correct 295 ms 780340 KB Output is correct
7 Correct 292 ms 780352 KB Output is correct
8 Correct 298 ms 780432 KB Output is correct
9 Correct 294 ms 780468 KB Output is correct
10 Correct 297 ms 780372 KB Output is correct
11 Correct 294 ms 780268 KB Output is correct
12 Correct 300 ms 780288 KB Output is correct
13 Correct 304 ms 780324 KB Output is correct
14 Correct 294 ms 780252 KB Output is correct
15 Correct 297 ms 780288 KB Output is correct
16 Correct 289 ms 780400 KB Output is correct
17 Correct 290 ms 780320 KB Output is correct
18 Correct 305 ms 780436 KB Output is correct
19 Correct 290 ms 780520 KB Output is correct
20 Correct 303 ms 780492 KB Output is correct
21 Correct 299 ms 780492 KB Output is correct
22 Correct 294 ms 780424 KB Output is correct
23 Correct 329 ms 780540 KB Output is correct
24 Correct 299 ms 780444 KB Output is correct
25 Correct 299 ms 780480 KB Output is correct
26 Correct 303 ms 780520 KB Output is correct
27 Correct 293 ms 780452 KB Output is correct
28 Correct 331 ms 780444 KB Output is correct
29 Correct 290 ms 780408 KB Output is correct
30 Correct 295 ms 780548 KB Output is correct
31 Correct 310 ms 780436 KB Output is correct
32 Correct 291 ms 780496 KB Output is correct
33 Correct 295 ms 780416 KB Output is correct
34 Correct 303 ms 780448 KB Output is correct
35 Correct 299 ms 780460 KB Output is correct
36 Correct 299 ms 780508 KB Output is correct
37 Correct 291 ms 780464 KB Output is correct
38 Correct 295 ms 780476 KB Output is correct
39 Correct 304 ms 780500 KB Output is correct
40 Correct 304 ms 780452 KB Output is correct
41 Correct 297 ms 780440 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 303 ms 780260 KB Output is correct
2 Correct 297 ms 781488 KB Output is correct
3 Correct 295 ms 781548 KB Output is correct
4 Correct 306 ms 781652 KB Output is correct
5 Correct 292 ms 781516 KB Output is correct
6 Correct 295 ms 781640 KB Output is correct
7 Correct 300 ms 781468 KB Output is correct
8 Correct 327 ms 781644 KB Output is correct
9 Correct 309 ms 781576 KB Output is correct
10 Correct 301 ms 781552 KB Output is correct
11 Correct 298 ms 781588 KB Output is correct
12 Correct 296 ms 780972 KB Output is correct
13 Correct 294 ms 781096 KB Output is correct
14 Correct 298 ms 781360 KB Output is correct
15 Correct 296 ms 781512 KB Output is correct
16 Correct 303 ms 781532 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 447 ms 780232 KB Output is correct
2 Correct 304 ms 780224 KB Output is correct
3 Correct 303 ms 780216 KB Output is correct
4 Correct 293 ms 780256 KB Output is correct
5 Correct 318 ms 780328 KB Output is correct
6 Correct 295 ms 780340 KB Output is correct
7 Correct 292 ms 780352 KB Output is correct
8 Correct 298 ms 780432 KB Output is correct
9 Correct 294 ms 780468 KB Output is correct
10 Correct 297 ms 780372 KB Output is correct
11 Correct 294 ms 780268 KB Output is correct
12 Correct 300 ms 780288 KB Output is correct
13 Correct 304 ms 780324 KB Output is correct
14 Correct 294 ms 780252 KB Output is correct
15 Correct 297 ms 780288 KB Output is correct
16 Correct 289 ms 780400 KB Output is correct
17 Correct 290 ms 780320 KB Output is correct
18 Correct 305 ms 780436 KB Output is correct
19 Correct 290 ms 780520 KB Output is correct
20 Correct 303 ms 780492 KB Output is correct
21 Correct 299 ms 780492 KB Output is correct
22 Correct 294 ms 780424 KB Output is correct
23 Correct 329 ms 780540 KB Output is correct
24 Correct 299 ms 780444 KB Output is correct
25 Correct 299 ms 780480 KB Output is correct
26 Correct 303 ms 780520 KB Output is correct
27 Correct 293 ms 780452 KB Output is correct
28 Correct 331 ms 780444 KB Output is correct
29 Correct 290 ms 780408 KB Output is correct
30 Correct 295 ms 780548 KB Output is correct
31 Correct 310 ms 780436 KB Output is correct
32 Correct 291 ms 780496 KB Output is correct
33 Correct 295 ms 780416 KB Output is correct
34 Correct 303 ms 780448 KB Output is correct
35 Correct 299 ms 780460 KB Output is correct
36 Correct 299 ms 780508 KB Output is correct
37 Correct 291 ms 780464 KB Output is correct
38 Correct 295 ms 780476 KB Output is correct
39 Correct 304 ms 780500 KB Output is correct
40 Correct 304 ms 780452 KB Output is correct
41 Correct 297 ms 780440 KB Output is correct
42 Correct 303 ms 780260 KB Output is correct
43 Correct 297 ms 781488 KB Output is correct
44 Correct 295 ms 781548 KB Output is correct
45 Correct 306 ms 781652 KB Output is correct
46 Correct 292 ms 781516 KB Output is correct
47 Correct 295 ms 781640 KB Output is correct
48 Correct 300 ms 781468 KB Output is correct
49 Correct 327 ms 781644 KB Output is correct
50 Correct 309 ms 781576 KB Output is correct
51 Correct 301 ms 781552 KB Output is correct
52 Correct 298 ms 781588 KB Output is correct
53 Correct 296 ms 780972 KB Output is correct
54 Correct 294 ms 781096 KB Output is correct
55 Correct 298 ms 781360 KB Output is correct
56 Correct 296 ms 781512 KB Output is correct
57 Correct 303 ms 781532 KB Output is correct
58 Correct 313 ms 781596 KB Output is correct
59 Correct 366 ms 781572 KB Output is correct
60 Correct 311 ms 781584 KB Output is correct
61 Correct 342 ms 781548 KB Output is correct
62 Correct 300 ms 781540 KB Output is correct
63 Correct 300 ms 781508 KB Output is correct
64 Correct 308 ms 781576 KB Output is correct
65 Correct 305 ms 781556 KB Output is correct
66 Correct 331 ms 781524 KB Output is correct
67 Correct 307 ms 781516 KB Output is correct
68 Correct 319 ms 781500 KB Output is correct
69 Correct 317 ms 781576 KB Output is correct
70 Correct 311 ms 781596 KB Output is correct
71 Correct 326 ms 781504 KB Output is correct
72 Correct 297 ms 781560 KB Output is correct
73 Correct 295 ms 781540 KB Output is correct