Submission #927552

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
927552	2024-02-15T04:07:09 Z	Gromp15	Growing Vegetable is Fun 3 (JOI19_ho_t3)	C++17	100 / 100	106 ms	30804 KB

joi2019_ho_t3

#include <bits/stdc++.h>
#define ll long long
#define ar array
#define db double
#define all(x) x.begin(), x.end()
#define sz(x) (int)x.size()
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define rint(l, r) uniform_int_distribution<int>(l, r)(rng)
template<typename T> bool ckmin(T &a, const T &b) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
const int INF = 1e9;
int pref[3][3][401][401];
void test_case() {
	int n; string s;
	cin >> n >> s;
	vector<int> a(n);
	for (int i = 0; i < n; i++) {
		a[i] = (s[i] == 'R' ? 0 : s[i] == 'G' ? 1 : 2);
	}
	ar<int, 3> on{};
	int where[3][n+1];
	memset(where, -1, sizeof(where));
	for (int i = 0; i < n; i++) {
		where[a[i]][on[a[i]]++] = i;
	}
	for (int i = 0; i < 3; i++) {
		for (int j = 0; j < 3; j++) {
			// those pos[j] > pos[i]
			for (int k = 0; k < on[i]; k++) {
				for (int l = 0; l <= on[j]; l++) {
					for (int r = 0; r < l; r++) {
						pref[i][j][k][l] += where[j][r] > where[i][k];
					}
				}
			}
		}
	}
	int dp[on[0]+1][on[1]+1][on[2]+1][3];
	fill(&dp[0][0][0][0], &dp[0][0][0][0] + 3*(on[0]+1)*(on[1]+1)*(on[2]+1), INF);
	memset(dp[0][0][0], 0, sizeof(dp[0][0][0]));
	for (int s = 0; s < n; s++) {
		for (int i = 0; i <= min(on[0], s); i++) {
			for (int j = 0; j <= on[1] && i+j <= s; j++) {
				if (s-i-j > on[2]) continue;
				ar<int, 3> cur{i, j, s-i-j};
				for (int k = 0; k < 3; k++) {
					if (dp[i][j][s-i-j][k] == INF) continue;
					for (int nw = 0; nw < 3; nw++) if (nw != k) {
						int pos = where[nw][cur[nw]];
						if (~pos) {
							int cnt2 = 0;
							for (int z = 0; z < 3; z++) if (z != nw) {
								cnt2 += pref[nw][z][cur[nw]][cur[z]];
							}
							ckmin(dp[i+(nw==0)][j+(nw==1)][s-i-j+(nw==2)][nw], dp[i][j][s-i-j][k] + cnt2);
						}
					}
				}
			}
		}
	}
	int ans = INF;
	for (int k = 0; k < 3; k++) {
		ckmin(ans, dp[on[0]][on[1]][on[2]][k]);
	}
	cout << (ans == INF ? -1 : ans) << '\n';

}
int main() {
    cin.tie(0)->sync_with_stdio(0);
    int t = 1;
//    cin >> t;
    while (t--) test_case();
}

Subtask #1
5.0 / 5.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct

Subtask #2
55.0 / 55.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	860 KB	Output is correct
19	Correct	1 ms	860 KB	Output is correct
20	Correct	1 ms	860 KB	Output is correct
21	Correct	1 ms	860 KB	Output is correct
22	Correct	1 ms	856 KB	Output is correct
23	Correct	1 ms	860 KB	Output is correct
24	Correct	1 ms	604 KB	Output is correct
25	Correct	1 ms	604 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	1 ms	604 KB	Output is correct
28	Correct	1 ms	860 KB	Output is correct
29	Correct	1 ms	656 KB	Output is correct
30	Correct	1 ms	860 KB	Output is correct
31	Correct	1 ms	856 KB	Output is correct
32	Correct	1 ms	860 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	1 ms	600 KB	Output is correct
36	Correct	1 ms	860 KB	Output is correct
37	Correct	1 ms	604 KB	Output is correct
38	Correct	1 ms	860 KB	Output is correct
39	Correct	1 ms	860 KB	Output is correct
40	Correct	0 ms	604 KB	Output is correct
41	Correct	1 ms	604 KB	Output is correct

Subtask #3
15.0 / 15.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	21 ms	2396 KB	Output is correct
3	Correct	19 ms	2216 KB	Output is correct
4	Correct	19 ms	2140 KB	Output is correct
5	Correct	19 ms	2140 KB	Output is correct
6	Correct	20 ms	2140 KB	Output is correct
7	Correct	19 ms	2140 KB	Output is correct
8	Correct	19 ms	2140 KB	Output is correct
9	Correct	19 ms	2116 KB	Output is correct
10	Correct	20 ms	2136 KB	Output is correct
11	Correct	19 ms	2140 KB	Output is correct
12	Correct	3 ms	1116 KB	Output is correct
13	Correct	7 ms	1372 KB	Output is correct
14	Correct	12 ms	1624 KB	Output is correct
15	Correct	19 ms	2220 KB	Output is correct
16	Correct	20 ms	2140 KB	Output is correct

Subtask #4
25.0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	344 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	860 KB	Output is correct
19	Correct	1 ms	860 KB	Output is correct
20	Correct	1 ms	860 KB	Output is correct
21	Correct	1 ms	860 KB	Output is correct
22	Correct	1 ms	856 KB	Output is correct
23	Correct	1 ms	860 KB	Output is correct
24	Correct	1 ms	604 KB	Output is correct
25	Correct	1 ms	604 KB	Output is correct
26	Correct	1 ms	604 KB	Output is correct
27	Correct	1 ms	604 KB	Output is correct
28	Correct	1 ms	860 KB	Output is correct
29	Correct	1 ms	656 KB	Output is correct
30	Correct	1 ms	860 KB	Output is correct
31	Correct	1 ms	856 KB	Output is correct
32	Correct	1 ms	860 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	1 ms	600 KB	Output is correct
36	Correct	1 ms	860 KB	Output is correct
37	Correct	1 ms	604 KB	Output is correct
38	Correct	1 ms	860 KB	Output is correct
39	Correct	1 ms	860 KB	Output is correct
40	Correct	0 ms	604 KB	Output is correct
41	Correct	1 ms	604 KB	Output is correct
42	Correct	0 ms	348 KB	Output is correct
43	Correct	21 ms	2396 KB	Output is correct
44	Correct	19 ms	2216 KB	Output is correct
45	Correct	19 ms	2140 KB	Output is correct
46	Correct	19 ms	2140 KB	Output is correct
47	Correct	20 ms	2140 KB	Output is correct
48	Correct	19 ms	2140 KB	Output is correct
49	Correct	19 ms	2140 KB	Output is correct
50	Correct	19 ms	2116 KB	Output is correct
51	Correct	20 ms	2136 KB	Output is correct
52	Correct	19 ms	2140 KB	Output is correct
53	Correct	3 ms	1116 KB	Output is correct
54	Correct	7 ms	1372 KB	Output is correct
55	Correct	12 ms	1624 KB	Output is correct
56	Correct	19 ms	2220 KB	Output is correct
57	Correct	20 ms	2140 KB	Output is correct
58	Correct	103 ms	30300 KB	Output is correct
59	Correct	106 ms	30524 KB	Output is correct
60	Correct	99 ms	30276 KB	Output is correct
61	Correct	102 ms	30496 KB	Output is correct
62	Correct	28 ms	4444 KB	Output is correct
63	Correct	22 ms	6236 KB	Output is correct
64	Correct	37 ms	16216 KB	Output is correct
65	Correct	64 ms	22352 KB	Output is correct
66	Correct	101 ms	30044 KB	Output is correct
67	Correct	102 ms	30172 KB	Output is correct
68	Correct	106 ms	30544 KB	Output is correct
69	Correct	104 ms	30804 KB	Output is correct
70	Correct	105 ms	30544 KB	Output is correct
71	Correct	96 ms	30056 KB	Output is correct
72	Correct	24 ms	9308 KB	Output is correct
73	Correct	15 ms	4188 KB	Output is correct

Submission #927552

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