Submission #848930

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
848930	2023-09-13T18:00:22 Z	qthang2k11	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	100 / 100	140 ms	774744 KB

joi2019_ho_t3

#include <bits/stdc++.h>
using namespace std;

template<class X, class Y>
inline void mini(X &x, Y y) {
	if (x > y) x = y;
}

const int N = 404;

int sum[N][3], dp[N][N][N][3];
vector<int> pos[3];
string s;
int n;

inline int get(int c, int l, int r) {
	return sum[r][c] - sum[l - 1][c];
}

int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	map<char, int> mp;
	mp['R'] = 0;
	mp['G'] = 1;
	mp['Y'] = 2;
	cin >> n >> s;
	for (int i = 1; i <= n; i++) {
		int val = mp[s[i - 1]];
		for (int j = 0; j < 3; j++)
			sum[i][j] = sum[i - 1][j];
		sum[i][val]++;
		pos[val].emplace_back(i);
	}
	memset(dp, 63, sizeof dp);
	int INF = dp[0][0][0][0];
	vector<int> num;
	for (int s: {0, 1, 2}) {
		dp[0][0][0][s] = 0;
		num.emplace_back((int)pos[s].size());
	}
	vector<int> a(3, 0), p(3, 0);
	for (a[0] = 0; a[0] <= num[0]; a[0]++) {
		for (a[1] = 0; a[1] <= num[1]; a[1]++) {
			for (a[2] = 0; a[2] <= num[2]; a[2]++) {
				for (int lst = 0; lst < 3; lst++) {
					int cur = dp[a[0]][a[1]][a[2]][lst];
					if (cur == INF) continue;
					for (int d = 0; d < 3; d++) {
						if (d == lst || a[d] == num[d]) continue;
						int now = cur, where = pos[d][a[d]];
						for (int i = 0; i < 3; i++)
							if (d != i) now += max(sum[where][i] - a[i], 0);
						a[d]++;
						mini(dp[a[0]][a[1]][a[2]][d], now);
						a[d]--;
					}
				}
				if (a[2] < num[2]) p[2] = pos[2][a[2]];
			}
			if (a[1] < num[1]) p[1] = pos[1][a[1]];
		}
		if (a[0] < num[0]) p[0] = pos[0][a[0]];
	}
	int ans = INF;
	for (int i = 0; i < 3; i++)
		mini(ans, dp[num[0]][num[1]][num[2]][i]);
	if (ans == INF) cout << -1;
	else cout << ans;
	return 0;
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	112 ms	774632 KB	Output is correct
2	Correct	82 ms	774488 KB	Output is correct
3	Correct	87 ms	774484 KB	Output is correct
4	Correct	82 ms	774596 KB	Output is correct
5	Correct	85 ms	774532 KB	Output is correct
6	Correct	82 ms	774440 KB	Output is correct
7	Correct	83 ms	774480 KB	Output is correct
8	Correct	82 ms	774500 KB	Output is correct
9	Correct	83 ms	774544 KB	Output is correct
10	Correct	81 ms	774480 KB	Output is correct
11	Correct	82 ms	774740 KB	Output is correct
12	Correct	82 ms	774484 KB	Output is correct
13	Correct	84 ms	774576 KB	Output is correct
14	Correct	83 ms	774432 KB	Output is correct
15	Correct	82 ms	774560 KB	Output is correct
16	Correct	82 ms	774480 KB	Output is correct
17	Correct	83 ms	774480 KB	Output is correct

Subtask #2
55.0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	112 ms	774632 KB	Output is correct
2	Correct	82 ms	774488 KB	Output is correct
3	Correct	87 ms	774484 KB	Output is correct
4	Correct	82 ms	774596 KB	Output is correct
5	Correct	85 ms	774532 KB	Output is correct
6	Correct	82 ms	774440 KB	Output is correct
7	Correct	83 ms	774480 KB	Output is correct
8	Correct	82 ms	774500 KB	Output is correct
9	Correct	83 ms	774544 KB	Output is correct
10	Correct	81 ms	774480 KB	Output is correct
11	Correct	82 ms	774740 KB	Output is correct
12	Correct	82 ms	774484 KB	Output is correct
13	Correct	84 ms	774576 KB	Output is correct
14	Correct	83 ms	774432 KB	Output is correct
15	Correct	82 ms	774560 KB	Output is correct
16	Correct	82 ms	774480 KB	Output is correct
17	Correct	83 ms	774480 KB	Output is correct
18	Correct	85 ms	774484 KB	Output is correct
19	Correct	86 ms	774568 KB	Output is correct
20	Correct	83 ms	774680 KB	Output is correct
21	Correct	87 ms	774480 KB	Output is correct
22	Correct	83 ms	774484 KB	Output is correct
23	Correct	84 ms	774620 KB	Output is correct
24	Correct	81 ms	774444 KB	Output is correct
25	Correct	84 ms	774484 KB	Output is correct
26	Correct	82 ms	774580 KB	Output is correct
27	Correct	84 ms	774568 KB	Output is correct
28	Correct	82 ms	774512 KB	Output is correct
29	Correct	83 ms	774488 KB	Output is correct
30	Correct	85 ms	774448 KB	Output is correct
31	Correct	82 ms	774560 KB	Output is correct
32	Correct	83 ms	774544 KB	Output is correct
33	Correct	85 ms	774636 KB	Output is correct
34	Correct	83 ms	774480 KB	Output is correct
35	Correct	83 ms	774480 KB	Output is correct
36	Correct	84 ms	774652 KB	Output is correct
37	Correct	83 ms	774480 KB	Output is correct
38	Correct	84 ms	774480 KB	Output is correct
39	Correct	84 ms	774644 KB	Output is correct
40	Correct	85 ms	774480 KB	Output is correct
41	Correct	81 ms	774624 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	83 ms	774660 KB	Output is correct
2	Correct	84 ms	774544 KB	Output is correct
3	Correct	83 ms	774660 KB	Output is correct
4	Correct	83 ms	774480 KB	Output is correct
5	Correct	83 ms	774484 KB	Output is correct
6	Correct	83 ms	774608 KB	Output is correct
7	Correct	83 ms	774480 KB	Output is correct
8	Correct	86 ms	774744 KB	Output is correct
9	Correct	83 ms	774480 KB	Output is correct
10	Correct	85 ms	774540 KB	Output is correct
11	Correct	84 ms	774664 KB	Output is correct
12	Correct	84 ms	774480 KB	Output is correct
13	Correct	85 ms	774664 KB	Output is correct
14	Correct	82 ms	774620 KB	Output is correct
15	Correct	83 ms	774480 KB	Output is correct
16	Correct	85 ms	774616 KB	Output is correct

Subtask #4
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	112 ms	774632 KB	Output is correct
2	Correct	82 ms	774488 KB	Output is correct
3	Correct	87 ms	774484 KB	Output is correct
4	Correct	82 ms	774596 KB	Output is correct
5	Correct	85 ms	774532 KB	Output is correct
6	Correct	82 ms	774440 KB	Output is correct
7	Correct	83 ms	774480 KB	Output is correct
8	Correct	82 ms	774500 KB	Output is correct
9	Correct	83 ms	774544 KB	Output is correct
10	Correct	81 ms	774480 KB	Output is correct
11	Correct	82 ms	774740 KB	Output is correct
12	Correct	82 ms	774484 KB	Output is correct
13	Correct	84 ms	774576 KB	Output is correct
14	Correct	83 ms	774432 KB	Output is correct
15	Correct	82 ms	774560 KB	Output is correct
16	Correct	82 ms	774480 KB	Output is correct
17	Correct	83 ms	774480 KB	Output is correct
18	Correct	85 ms	774484 KB	Output is correct
19	Correct	86 ms	774568 KB	Output is correct
20	Correct	83 ms	774680 KB	Output is correct
21	Correct	87 ms	774480 KB	Output is correct
22	Correct	83 ms	774484 KB	Output is correct
23	Correct	84 ms	774620 KB	Output is correct
24	Correct	81 ms	774444 KB	Output is correct
25	Correct	84 ms	774484 KB	Output is correct
26	Correct	82 ms	774580 KB	Output is correct
27	Correct	84 ms	774568 KB	Output is correct
28	Correct	82 ms	774512 KB	Output is correct
29	Correct	83 ms	774488 KB	Output is correct
30	Correct	85 ms	774448 KB	Output is correct
31	Correct	82 ms	774560 KB	Output is correct
32	Correct	83 ms	774544 KB	Output is correct
33	Correct	85 ms	774636 KB	Output is correct
34	Correct	83 ms	774480 KB	Output is correct
35	Correct	83 ms	774480 KB	Output is correct
36	Correct	84 ms	774652 KB	Output is correct
37	Correct	83 ms	774480 KB	Output is correct
38	Correct	84 ms	774480 KB	Output is correct
39	Correct	84 ms	774644 KB	Output is correct
40	Correct	85 ms	774480 KB	Output is correct
41	Correct	81 ms	774624 KB	Output is correct
42	Correct	83 ms	774660 KB	Output is correct
43	Correct	84 ms	774544 KB	Output is correct
44	Correct	83 ms	774660 KB	Output is correct
45	Correct	83 ms	774480 KB	Output is correct
46	Correct	83 ms	774484 KB	Output is correct
47	Correct	83 ms	774608 KB	Output is correct
48	Correct	83 ms	774480 KB	Output is correct
49	Correct	86 ms	774744 KB	Output is correct
50	Correct	83 ms	774480 KB	Output is correct
51	Correct	85 ms	774540 KB	Output is correct
52	Correct	84 ms	774664 KB	Output is correct
53	Correct	84 ms	774480 KB	Output is correct
54	Correct	85 ms	774664 KB	Output is correct
55	Correct	82 ms	774620 KB	Output is correct
56	Correct	83 ms	774480 KB	Output is correct
57	Correct	85 ms	774616 KB	Output is correct
58	Correct	133 ms	774484 KB	Output is correct
59	Correct	139 ms	774480 KB	Output is correct
60	Correct	140 ms	774488 KB	Output is correct
61	Correct	138 ms	774684 KB	Output is correct
62	Correct	89 ms	774484 KB	Output is correct
63	Correct	91 ms	774484 KB	Output is correct
64	Correct	101 ms	774484 KB	Output is correct
65	Correct	114 ms	774564 KB	Output is correct
66	Correct	136 ms	774468 KB	Output is correct
67	Correct	133 ms	774476 KB	Output is correct
68	Correct	138 ms	774676 KB	Output is correct
69	Correct	137 ms	774484 KB	Output is correct
70	Correct	138 ms	774544 KB	Output is correct
71	Correct	134 ms	774484 KB	Output is correct
72	Correct	88 ms	774484 KB	Output is correct
73	Correct	84 ms	774644 KB	Output is correct

Submission #848930

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 55.0 / 55.0

Subtask #3 15.0 / 15.0

Subtask #4 25.0 / 25.0

Subtask #1
5.0 / 5.0

Subtask #2
55.0 / 55.0

Subtask #3
15.0 / 15.0

Subtask #4
25.0 / 25.0