Submission #755661

# Submission time Handle Problem Language Result Execution time Memory
755661 2023-06-10T13:27:30 Z MISM06 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
76 ms 98068 KB
//0 1 1 0 1
//0 1 0 0 1
//1 0 0 1 1
//0 1 1 0 1
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2")

using namespace std;

#define F 			first
#define S 			second
#define pb 			push_back
#define sze			size()
#define	all(x)		x.begin() , x.end()
#define wall__		cout << "--------------------------------------\n";
#define kids		int mid = (tl + tr) >> 1, cl = v << 1, cr = v << 1 | 1
#define file_io		freopen("input.cpp", "r", stdin); freopen("output.cpp", "w", stdout);

typedef long long ll;
typedef long double dl;
typedef short int it;
typedef pair < int , int > pii;
typedef pair < int , ll > pil;
typedef pair < ll , int > pli;
typedef pair < ll , ll > pll;
typedef pair < int , pii > piii;
typedef pair < ll, pll > plll;


const ll N = 400 + 10;
const ll mod = 1e9 + 7;
const ll inf = 1000;
const ll rinf = -2e16;
const ll INF = 1e9 + 10;
const ll rINF = -1e9 - 10;
const ll lg = 32;

it dp[N][N][N][3], n, a[N], cnt[N][3], A, B, C;
string s;
vector < it > p[3];
inline it give (it l, it r, it t) {
	if (l > r) return 0;
	return cnt[r][t] - cnt[l - 1][t];
}

void solve () {

	cin >> n;
	cin >> s;
	s = '.' + s; p[0].pb(0); p[1].pb(0); p[2].pb(0);
	for (int i = 1; i <= n; i++) {
		if (s[i] == 'R') {
			p[0].pb(i); a[i] = 0; ++cnt[i][0];
		} else if (s[i] == 'G') {
			p[1].pb(i); a[i] = 1; ++cnt[i][1];
		} else {
			p[2].pb(i); a[i] = 2; ++cnt[i][2];
		}
		cnt[i][0] += cnt[i - 1][0];
		cnt[i][1] += cnt[i - 1][1];
		cnt[i][2] += cnt[i - 1][2];
	}
	A = p[0].sze - 1;
	B = p[1].sze - 1;
	C = p[2].sze - 1;
	it c[3]; c[0] = 0; c[1] = 0; c[2] = 0;
	for (; c[0] <= A; c[0]++) {
		for (c[1] = 0; c[1] <= B; c[1]++) {
			for (c[2] = 0; c[2] <= C; c[2]++) {
				if (c[0] == 0 && c[1] == 0 && c[2] == 0) continue;
				for (it t = 0; t < 3; t++) {
					if (c[t] == 0) {
						dp[c[0]][c[1]][c[2]][t] = 20000;
						continue;
					}

					it m = max({p[0][c[0]], p[1][c[1]], p[2][c[2]]});
					it l = p[t][c[t]];
					it len = m - l;
					len -= give(l + 1, m, t);
					l = max(p[t][c[t]], p[(t + 1) % 3][c[(t + 1) % 3]]);
					len -= give(l + 1, m, (t + 1) % 3);
					l = max(p[t][c[t]], p[(t + 2) % 3][c[(t + 2) % 3]]);
					len -= give(l + 1, m, (t + 2) % 3);

					if (t == 0) dp[c[0]][c[1]][c[2]][t] = len + min(dp[c[0] - 1][c[1]][c[2]][(t + 1) % 3], dp[c[0] - 1][c[1]][c[2]][(t + 2) % 3]);
					else if (t == 1) dp[c[0]][c[1]][c[2]][t] = len + min(dp[c[0]][c[1] - 1][c[2]][(t + 1) % 3], dp[c[0]][c[1] - 1][c[2]][(t + 2) % 3]);
					else dp[c[0]][c[1]][c[2]][t] = len + min(dp[c[0]][c[1]][c[2] - 1][(t + 1) % 3], dp[c[0]][c[1]][c[2] - 1][(t + 2) % 3]);
				}
			}
		}
	}
	if (min({dp[A][B][C][0], dp[A][B][C][1], dp[A][B][C][2]}) >= 20000) cout << -1 << '\n';
	else cout << min({dp[A][B][C][0], dp[A][B][C][1], dp[A][B][C][2]}) << '\n';

}


int main() {
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
	
	int t = 1;
	// cin >> t;
	while (t--) {solve();}
    return 0;
}
/*
*/
//shrek will AC this;
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 1492 KB Output is correct
19 Correct 1 ms 1236 KB Output is correct
20 Correct 1 ms 1480 KB Output is correct
21 Correct 1 ms 1492 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1364 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 2516 KB Output is correct
26 Correct 1 ms 2644 KB Output is correct
27 Correct 1 ms 1876 KB Output is correct
28 Correct 1 ms 1492 KB Output is correct
29 Correct 1 ms 1364 KB Output is correct
30 Correct 2 ms 1364 KB Output is correct
31 Correct 1 ms 1236 KB Output is correct
32 Correct 1 ms 1492 KB Output is correct
33 Correct 2 ms 2376 KB Output is correct
34 Correct 2 ms 2256 KB Output is correct
35 Correct 1 ms 1620 KB Output is correct
36 Correct 1 ms 1236 KB Output is correct
37 Correct 1 ms 1096 KB Output is correct
38 Correct 1 ms 1352 KB Output is correct
39 Correct 1 ms 1492 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 1360 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 36 ms 98032 KB Output is correct
3 Correct 39 ms 97484 KB Output is correct
4 Correct 36 ms 97988 KB Output is correct
5 Correct 37 ms 97964 KB Output is correct
6 Correct 37 ms 98032 KB Output is correct
7 Correct 36 ms 97596 KB Output is correct
8 Correct 37 ms 97584 KB Output is correct
9 Correct 37 ms 97096 KB Output is correct
10 Correct 37 ms 97996 KB Output is correct
11 Correct 40 ms 98008 KB Output is correct
12 Correct 12 ms 26568 KB Output is correct
13 Correct 18 ms 46548 KB Output is correct
14 Correct 27 ms 67040 KB Output is correct
15 Correct 41 ms 98068 KB Output is correct
16 Correct 39 ms 98044 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 468 KB Output is correct
10 Correct 1 ms 468 KB Output is correct
11 Correct 1 ms 468 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 328 KB Output is correct
16 Correct 1 ms 332 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 1492 KB Output is correct
19 Correct 1 ms 1236 KB Output is correct
20 Correct 1 ms 1480 KB Output is correct
21 Correct 1 ms 1492 KB Output is correct
22 Correct 1 ms 1108 KB Output is correct
23 Correct 1 ms 1364 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 2516 KB Output is correct
26 Correct 1 ms 2644 KB Output is correct
27 Correct 1 ms 1876 KB Output is correct
28 Correct 1 ms 1492 KB Output is correct
29 Correct 1 ms 1364 KB Output is correct
30 Correct 2 ms 1364 KB Output is correct
31 Correct 1 ms 1236 KB Output is correct
32 Correct 1 ms 1492 KB Output is correct
33 Correct 2 ms 2376 KB Output is correct
34 Correct 2 ms 2256 KB Output is correct
35 Correct 1 ms 1620 KB Output is correct
36 Correct 1 ms 1236 KB Output is correct
37 Correct 1 ms 1096 KB Output is correct
38 Correct 1 ms 1352 KB Output is correct
39 Correct 1 ms 1492 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 1360 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 36 ms 98032 KB Output is correct
44 Correct 39 ms 97484 KB Output is correct
45 Correct 36 ms 97988 KB Output is correct
46 Correct 37 ms 97964 KB Output is correct
47 Correct 37 ms 98032 KB Output is correct
48 Correct 36 ms 97596 KB Output is correct
49 Correct 37 ms 97584 KB Output is correct
50 Correct 37 ms 97096 KB Output is correct
51 Correct 37 ms 97996 KB Output is correct
52 Correct 40 ms 98008 KB Output is correct
53 Correct 12 ms 26568 KB Output is correct
54 Correct 18 ms 46548 KB Output is correct
55 Correct 27 ms 67040 KB Output is correct
56 Correct 41 ms 98068 KB Output is correct
57 Correct 39 ms 98044 KB Output is correct
58 Correct 70 ms 38988 KB Output is correct
59 Correct 76 ms 49328 KB Output is correct
60 Correct 73 ms 44884 KB Output is correct
61 Correct 71 ms 43324 KB Output is correct
62 Correct 40 ms 95564 KB Output is correct
63 Correct 44 ms 94156 KB Output is correct
64 Correct 61 ms 82240 KB Output is correct
65 Correct 76 ms 71652 KB Output is correct
66 Correct 73 ms 43980 KB Output is correct
67 Correct 70 ms 42316 KB Output is correct
68 Correct 72 ms 45372 KB Output is correct
69 Correct 72 ms 43660 KB Output is correct
70 Correct 76 ms 47184 KB Output is correct
71 Correct 73 ms 42892 KB Output is correct
72 Correct 23 ms 21716 KB Output is correct
73 Correct 5 ms 1608 KB Output is correct