oj.uz

Submission #459555

# Submission time Handle Problem Language Result Execution time Memory
459555 2021-08-08T16:04:27 Z TeaTime Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 101 ms 164912 KB 
//#pragma GCC optimize("O3")
//#pragma GCC target("avx2")
#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <unordered_map>

using namespace std;

#define fastInp cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);

typedef int ll;
typedef long double ld;

const ll K = 410, INF = 1e9;

ll n;
ll dp[K][K][K][3];
ll cnt[3];
ll pos[3][K];
tuple<ll, ll, ll> prefCnt[K];

int main() {
	fastInp;

	cin >> n;
	string s;
	cin >> s;
	
	int i = 1;
	for (auto &c : s) {
		if (c == 'R') c = 0;
		if (c == 'G') c = 1;
		if (c == 'Y') c = 2;
		cnt[c]++;
		pos[c][cnt[c]] = i;
		prefCnt[i] = { cnt[0], cnt[1], cnt[2] };
		i++;
	}

	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 t = 0; t < 3; t++) dp[i][j][k][t] = INF;
			}
		}
	}

	dp[0][0][0][0] = 0;
	dp[0][0][0][1] = 0;
	dp[0][0][0][2] = 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 add = 0; add < 3; add++) {
					ll pn = 0;
					ll ind;

					if (add == 0) {
						ind = pos[add][i + 1];
						pn = max(0, get<1>(prefCnt[ind]) - j) + max(0, get<2>(prefCnt[ind]) - k);
					} else if (add == 1) {
						ind = pos[add][j + 1];
						pn = max(0, get<0>(prefCnt[ind]) - i) + max(0, get<2>(prefCnt[ind]) - k);
					} else {
						ind = pos[add][k + 1];
						pn = max(0, get<0>(prefCnt[ind]) - i) + max(0, get<1>(prefCnt[ind]) - j);
					}

					for (int t = 0; t < 3; t++) {
						if (add == t) continue;

						ll cnt = dp[i][j][k][t] + pn;
						if (add == 0) {
							dp[i + 1][j][k][add] = min(dp[i + 1][j][k][add], cnt);
						} else if (add == 1) {
							dp[i][j + 1][k][add] = min(dp[i][j + 1][k][add], cnt);
						} else {
							dp[i][j][k + 1][add] = min(dp[i][j][k + 1][add], cnt);
						}
					}
				}
			}
		}
	}
	ll a = INF;
	for (int i = 0; i < 3; i++) a = min(a, dp[cnt[0]][cnt[1]][cnt[2]][i]);
	
	if (a >= INF) {
		cout << "-1\n";
	} else {
		cout << a;
	}

	return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:39:7: warning: array subscript has type 'char' [-Wchar-subscripts]
   39 |   cnt[c]++;
      |       ^
joi2019_ho_t3.cpp:40:7: warning: array subscript has type 'char' [-Wchar-subscripts]
   40 |   pos[c][cnt[c]] = i;
      |       ^
joi2019_ho_t3.cpp:40:14: warning: array subscript has type 'char' [-Wchar-subscripts]
   40 |   pos[c][cnt[c]] = i;
      |              ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 332 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 2 ms 2508 KB Output is correct
19 Correct 1 ms 2024 KB Output is correct
20 Correct 2 ms 2508 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 1 ms 1868 KB Output is correct
23 Correct 2 ms 2252 KB Output is correct
24 Correct 1 ms 1740 KB Output is correct
25 Correct 2 ms 4172 KB Output is correct
26 Correct 2 ms 4428 KB Output is correct
27 Correct 2 ms 3276 KB Output is correct
28 Correct 3 ms 2508 KB Output is correct
29 Correct 2 ms 2380 KB Output is correct
30 Correct 2 ms 2508 KB Output is correct
31 Correct 2 ms 2124 KB Output is correct
32 Correct 2 ms 2508 KB Output is correct
33 Correct 2 ms 4044 KB Output is correct
34 Correct 2 ms 3788 KB Output is correct
35 Correct 2 ms 2892 KB Output is correct
36 Correct 1 ms 2124 KB Output is correct
37 Correct 1 ms 1868 KB Output is correct
38 Correct 1 ms 2252 KB Output is correct
39 Correct 2 ms 2508 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 2380 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 69 ms 164880 KB Output is correct
3 Correct 65 ms 164164 KB Output is correct
4 Correct 67 ms 164912 KB Output is correct
5 Correct 66 ms 164860 KB Output is correct
6 Correct 69 ms 164804 KB Output is correct
7 Correct 69 ms 164012 KB Output is correct
8 Correct 68 ms 164084 KB Output is correct
9 Correct 66 ms 163396 KB Output is correct
10 Correct 67 ms 164884 KB Output is correct
11 Correct 66 ms 164824 KB Output is correct
12 Correct 19 ms 44984 KB Output is correct
13 Correct 32 ms 78372 KB Output is correct
14 Correct 46 ms 112820 KB Output is correct
15 Correct 67 ms 164812 KB Output is correct
16 Correct 68 ms 164856 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 332 KB Output is correct
2 Correct 0 ms 332 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 460 KB Output is correct
6 Correct 1 ms 460 KB Output is correct
7 Correct 1 ms 460 KB Output is correct
8 Correct 1 ms 460 KB Output is correct
9 Correct 1 ms 588 KB Output is correct
10 Correct 1 ms 588 KB Output is correct
11 Correct 1 ms 588 KB Output is correct
12 Correct 1 ms 460 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 ms 460 KB Output is correct
15 Correct 0 ms 460 KB Output is correct
16 Correct 1 ms 460 KB Output is correct
17 Correct 0 ms 332 KB Output is correct
18 Correct 2 ms 2508 KB Output is correct
19 Correct 1 ms 2024 KB Output is correct
20 Correct 2 ms 2508 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 1 ms 1868 KB Output is correct
23 Correct 2 ms 2252 KB Output is correct
24 Correct 1 ms 1740 KB Output is correct
25 Correct 2 ms 4172 KB Output is correct
26 Correct 2 ms 4428 KB Output is correct
27 Correct 2 ms 3276 KB Output is correct
28 Correct 3 ms 2508 KB Output is correct
29 Correct 2 ms 2380 KB Output is correct
30 Correct 2 ms 2508 KB Output is correct
31 Correct 2 ms 2124 KB Output is correct
32 Correct 2 ms 2508 KB Output is correct
33 Correct 2 ms 4044 KB Output is correct
34 Correct 2 ms 3788 KB Output is correct
35 Correct 2 ms 2892 KB Output is correct
36 Correct 1 ms 2124 KB Output is correct
37 Correct 1 ms 1868 KB Output is correct
38 Correct 1 ms 2252 KB Output is correct
39 Correct 2 ms 2508 KB Output is correct
40 Correct 1 ms 460 KB Output is correct
41 Correct 1 ms 2380 KB Output is correct
42 Correct 1 ms 332 KB Output is correct
43 Correct 69 ms 164880 KB Output is correct
44 Correct 65 ms 164164 KB Output is correct
45 Correct 67 ms 164912 KB Output is correct
46 Correct 66 ms 164860 KB Output is correct
47 Correct 69 ms 164804 KB Output is correct
48 Correct 69 ms 164012 KB Output is correct
49 Correct 68 ms 164084 KB Output is correct
50 Correct 66 ms 163396 KB Output is correct
51 Correct 67 ms 164884 KB Output is correct
52 Correct 66 ms 164824 KB Output is correct
53 Correct 19 ms 44984 KB Output is correct
54 Correct 32 ms 78372 KB Output is correct
55 Correct 46 ms 112820 KB Output is correct
56 Correct 67 ms 164812 KB Output is correct
57 Correct 68 ms 164856 KB Output is correct
58 Correct 95 ms 78376 KB Output is correct
59 Correct 101 ms 99036 KB Output is correct
60 Correct 91 ms 90180 KB Output is correct
61 Correct 91 ms 87144 KB Output is correct
62 Correct 72 ms 162520 KB Output is correct
63 Correct 75 ms 162060 KB Output is correct
64 Correct 92 ms 151948 KB Output is correct
65 Correct 98 ms 140420 KB Output is correct
66 Correct 91 ms 88388 KB Output is correct
67 Correct 92 ms 85288 KB Output is correct
68 Correct 93 ms 91092 KB Output is correct
69 Correct 91 ms 87748 KB Output is correct
70 Correct 94 ms 94956 KB Output is correct
71 Correct 89 ms 86164 KB Output is correct
72 Correct 33 ms 43596 KB Output is correct
73 Correct 5 ms 3404 KB Output is correct