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Submission #952869

# Submission time Handle Problem Language Result Execution time Memory
952869 2024-03-25T03:43:45 Z offlineDeletionTrickFan Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 375 ms 774996 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 404;
int dp[MAXN][MAXN][MAXN][3], pos[3][MAXN], v[MAXN], cnt[3], pref[3][MAXN];
signed main() {
    int n;
    string s;
    cin >> n >> s;
    memset(dp, '?', sizeof dp), memset(pos, 0, sizeof pos), memset(cnt, 0, sizeof cnt);
    for (int i = 1; i <= n; ++i) {
        v[i] = s[i - 1] == 'R' ? 0 : s[i - 1] == 'G' ? 1 : 2;
        pref[0][i] = pref[0][i - 1] + (v[i] == 0);
        pref[1][i] = pref[1][i - 1] + (v[i] == 1);
        pref[2][i] = pref[2][i - 1] + (v[i] == 2);
        pos[v[i]][++cnt[v[i]]] = i;
    }
    dp[0][0][0][0] = dp[0][0][0][1] = dp[0][0][0][2] = 0;
    for (int red = 0; red <= cnt[0]; ++red) {
        for (int green = 0; green <= cnt[1]; ++green) {
            for (int blue = 0; blue <= cnt[2]; ++blue) {
                if (red) dp[red][green][blue][0] = min(dp[red - 1][green][blue][1], dp[red - 1][green][blue][2]) + max(0, pref[1][pos[0][red]] - green) + max(0, pref[2][pos[0][red]] - blue);
                if (green) dp[red][green][blue][1] = min(dp[red][green - 1][blue][0], dp[red][green - 1][blue][2]) + max(0, pref[0][pos[1][green]] - red) + max(0, pref[2][pos[1][green]] - blue);
                if (blue) dp[red][green][blue][2] = min(dp[red][green][blue - 1][0], dp[red][green][blue - 1][1]) + max(0, pref[0][pos[2][blue]] - red) + max(0, pref[1][pos[2][blue]] - green);
            }
        }
    }
    int ans = *min_element(dp[cnt[0]][cnt[1]][cnt[2]], dp[cnt[0]][cnt[1]][cnt[2]] + 3);
    if (ans > n * n) cout << -1;
    else cout << ans;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 774720 KB Output is correct
2 Correct 227 ms 774484 KB Output is correct
3 Correct 375 ms 774500 KB Output is correct
4 Correct 236 ms 774432 KB Output is correct
5 Correct 224 ms 774592 KB Output is correct
6 Correct 225 ms 774480 KB Output is correct
7 Correct 225 ms 774596 KB Output is correct
8 Correct 242 ms 774484 KB Output is correct
9 Correct 232 ms 774632 KB Output is correct
10 Correct 227 ms 774572 KB Output is correct
11 Correct 237 ms 774484 KB Output is correct
12 Correct 229 ms 774448 KB Output is correct
13 Correct 228 ms 774556 KB Output is correct
14 Correct 229 ms 774472 KB Output is correct
15 Correct 236 ms 774464 KB Output is correct
16 Correct 226 ms 774468 KB Output is correct
17 Correct 226 ms 774424 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 774720 KB Output is correct
2 Correct 227 ms 774484 KB Output is correct
3 Correct 375 ms 774500 KB Output is correct
4 Correct 236 ms 774432 KB Output is correct
5 Correct 224 ms 774592 KB Output is correct
6 Correct 225 ms 774480 KB Output is correct
7 Correct 225 ms 774596 KB Output is correct
8 Correct 242 ms 774484 KB Output is correct
9 Correct 232 ms 774632 KB Output is correct
10 Correct 227 ms 774572 KB Output is correct
11 Correct 237 ms 774484 KB Output is correct
12 Correct 229 ms 774448 KB Output is correct
13 Correct 228 ms 774556 KB Output is correct
14 Correct 229 ms 774472 KB Output is correct
15 Correct 236 ms 774464 KB Output is correct
16 Correct 226 ms 774468 KB Output is correct
17 Correct 226 ms 774424 KB Output is correct
18 Correct 238 ms 774488 KB Output is correct
19 Correct 235 ms 774520 KB Output is correct
20 Correct 225 ms 774548 KB Output is correct
21 Correct 244 ms 774600 KB Output is correct
22 Correct 227 ms 774436 KB Output is correct
23 Correct 227 ms 774652 KB Output is correct
24 Correct 230 ms 774520 KB Output is correct
25 Correct 219 ms 774480 KB Output is correct
26 Correct 228 ms 774740 KB Output is correct
27 Correct 236 ms 774484 KB Output is correct
28 Correct 224 ms 774480 KB Output is correct
29 Correct 227 ms 774556 KB Output is correct
30 Correct 224 ms 774484 KB Output is correct
31 Correct 227 ms 774480 KB Output is correct
32 Correct 223 ms 774520 KB Output is correct
33 Correct 222 ms 774504 KB Output is correct
34 Correct 236 ms 774584 KB Output is correct
35 Correct 223 ms 774472 KB Output is correct
36 Correct 225 ms 774492 KB Output is correct
37 Correct 224 ms 774464 KB Output is correct
38 Correct 225 ms 774416 KB Output is correct
39 Correct 228 ms 774620 KB Output is correct
40 Correct 224 ms 774484 KB Output is correct
41 Correct 224 ms 774640 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 229 ms 774484 KB Output is correct
2 Correct 223 ms 774628 KB Output is correct
3 Correct 224 ms 774484 KB Output is correct
4 Correct 228 ms 774808 KB Output is correct
5 Correct 226 ms 774484 KB Output is correct
6 Correct 227 ms 774484 KB Output is correct
7 Correct 229 ms 774752 KB Output is correct
8 Correct 227 ms 774484 KB Output is correct
9 Correct 226 ms 774656 KB Output is correct
10 Correct 229 ms 774480 KB Output is correct
11 Correct 227 ms 774484 KB Output is correct
12 Correct 229 ms 774544 KB Output is correct
13 Correct 238 ms 774588 KB Output is correct
14 Correct 223 ms 774680 KB Output is correct
15 Correct 232 ms 774512 KB Output is correct
16 Correct 227 ms 774480 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 322 ms 774720 KB Output is correct
2 Correct 227 ms 774484 KB Output is correct
3 Correct 375 ms 774500 KB Output is correct
4 Correct 236 ms 774432 KB Output is correct
5 Correct 224 ms 774592 KB Output is correct
6 Correct 225 ms 774480 KB Output is correct
7 Correct 225 ms 774596 KB Output is correct
8 Correct 242 ms 774484 KB Output is correct
9 Correct 232 ms 774632 KB Output is correct
10 Correct 227 ms 774572 KB Output is correct
11 Correct 237 ms 774484 KB Output is correct
12 Correct 229 ms 774448 KB Output is correct
13 Correct 228 ms 774556 KB Output is correct
14 Correct 229 ms 774472 KB Output is correct
15 Correct 236 ms 774464 KB Output is correct
16 Correct 226 ms 774468 KB Output is correct
17 Correct 226 ms 774424 KB Output is correct
18 Correct 238 ms 774488 KB Output is correct
19 Correct 235 ms 774520 KB Output is correct
20 Correct 225 ms 774548 KB Output is correct
21 Correct 244 ms 774600 KB Output is correct
22 Correct 227 ms 774436 KB Output is correct
23 Correct 227 ms 774652 KB Output is correct
24 Correct 230 ms 774520 KB Output is correct
25 Correct 219 ms 774480 KB Output is correct
26 Correct 228 ms 774740 KB Output is correct
27 Correct 236 ms 774484 KB Output is correct
28 Correct 224 ms 774480 KB Output is correct
29 Correct 227 ms 774556 KB Output is correct
30 Correct 224 ms 774484 KB Output is correct
31 Correct 227 ms 774480 KB Output is correct
32 Correct 223 ms 774520 KB Output is correct
33 Correct 222 ms 774504 KB Output is correct
34 Correct 236 ms 774584 KB Output is correct
35 Correct 223 ms 774472 KB Output is correct
36 Correct 225 ms 774492 KB Output is correct
37 Correct 224 ms 774464 KB Output is correct
38 Correct 225 ms 774416 KB Output is correct
39 Correct 228 ms 774620 KB Output is correct
40 Correct 224 ms 774484 KB Output is correct
41 Correct 224 ms 774640 KB Output is correct
42 Correct 229 ms 774484 KB Output is correct
43 Correct 223 ms 774628 KB Output is correct
44 Correct 224 ms 774484 KB Output is correct
45 Correct 228 ms 774808 KB Output is correct
46 Correct 226 ms 774484 KB Output is correct
47 Correct 227 ms 774484 KB Output is correct
48 Correct 229 ms 774752 KB Output is correct
49 Correct 227 ms 774484 KB Output is correct
50 Correct 226 ms 774656 KB Output is correct
51 Correct 229 ms 774480 KB Output is correct
52 Correct 227 ms 774484 KB Output is correct
53 Correct 229 ms 774544 KB Output is correct
54 Correct 238 ms 774588 KB Output is correct
55 Correct 223 ms 774680 KB Output is correct
56 Correct 232 ms 774512 KB Output is correct
57 Correct 227 ms 774480 KB Output is correct
58 Correct 244 ms 774444 KB Output is correct
59 Correct 251 ms 774660 KB Output is correct
60 Correct 239 ms 774556 KB Output is correct
61 Correct 243 ms 774736 KB Output is correct
62 Correct 231 ms 774480 KB Output is correct
63 Correct 234 ms 774588 KB Output is correct
64 Correct 237 ms 774480 KB Output is correct
65 Correct 256 ms 774656 KB Output is correct
66 Correct 244 ms 774996 KB Output is correct
67 Correct 241 ms 774664 KB Output is correct
68 Correct 239 ms 774544 KB Output is correct
69 Correct 240 ms 774672 KB Output is correct
70 Correct 241 ms 774480 KB Output is correct
71 Correct 239 ms 774664 KB Output is correct
72 Correct 230 ms 774536 KB Output is correct
73 Correct 223 ms 774604 KB Output is correct