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Submission #888911

# Submission time Handle Problem Language Result Execution time Memory
888911 2023-12-18T11:37:24 Z hafo Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 162 ms 780384 KB 
#include <bits/stdc++.h>
#define ll long long
#define ull unsigned ll
#define pb push_back
#define pa pair<int, int>
#define pall pair<ll, int>
#define fi first
#define se second
#define TASK "test"
#define Size(x) (int) x.size()
#define all(x) x.begin(), x.end()
using namespace std;

template<typename T1, typename T2> bool mini (T1 &a, T2 b) {if(a > b) a = b; else return 0; return 1;}
template<typename T1, typename T2> bool maxi (T1 &a, T2 b) {if(a < b) a = b; else return 0; return 1;}

const int MOD = 1e9 + 7;
const int LOG = 20;
const int maxn = 400 + 7;
const ll oo = 1e9 + 69;

int n, dp[maxn][maxn][maxn][3], id[3][maxn];
char a[maxn];
vector<int> pos[3];

int convert(char ch) {
    if(ch == 'R') return 0;
    if(ch == 'G') return 1;
    return 2;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    //freopen(TASK".inp", "r", stdin);
    //freopen(TASK".out", "w", stdout);

    cin>>n;
    for(int i = 1; i <= n; i++) {
        cin>>a[i];
        pos[convert(a[i])].pb(i);
    }

    for(int i = 0; i < 3; i++) {
        for(int j = 1; j <= n; j++) {
            id[i][j] = lower_bound(all(pos[i]), j) - pos[i].begin();
        }
    }

    for(int i = 0; i <= n; i++) {
        for(int red = 0; red <= Size(pos[0]); red++) {
            for(int green = 0; green <= Size(pos[1]); green++) {
                for(int cur = 0; cur < 3; cur++) dp[i][red][green][cur] = oo;
            }
        }
    }

    dp[0][0][0][0] = 0;
    dp[0][0][0][1] = 0;
    dp[0][0][0][2] = 0;

    for(int i = 0; i < n; i++) {
        for(int red = 0; red <= min(i, Size(pos[0])); red++) {
            for(int green = 0; green <= min(i - red, Size(pos[1])); green++) {
                int yellow = i - red - green;
                if(yellow < 0 || yellow > Size(pos[2])) continue;
                for(int cur = 0; cur < 3; cur++) {
                    int cost;
                    if(cur != 0 && red < Size(pos[0])) {
                        int p = pos[0][red];
                        cost = max(0, red - id[0][p]);
                        cost += max(0, green - id[1][p]);
                        cost += max(0, yellow - id[2][p]);
                        mini(dp[i + 1][red + 1][green][0], dp[i][red][green][cur] + cost);
                    }

                    if(cur != 1 && green < Size(pos[1])) {
                        cost = 0;
                        int p = pos[1][green];
                        cost = max(0, red - id[0][p]);
                        cost += max(0, green - id[1][p]);
                        cost += max(0, yellow - id[2][p]);
                        mini(dp[i + 1][red][green + 1][1], dp[i][red][green][cur] + cost);
                    }

                    if(cur != 2 && yellow < Size(pos[2])) {
                        cost = 0;
                        int p = pos[2][yellow];
                        cost = max(0, red - id[0][p]);
                        cost += max(0, green - id[1][p]);
                        cost += max(0, yellow - id[2][p]);
                        mini(dp[i + 1][red][green][2], dp[i][red][green][cur] + cost);
                    } 
                }
            }
        }
    }

    int ans = oo;
    for(int i = 0; i < 3; i++) mini(ans, dp[n][Size(pos[0])][Size(pos[1])][i]);
    cout<<(ans == oo ? -1:ans);
    return 0;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 2 ms 20828 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 4 ms 31504 KB Output is correct
7 Correct 4 ms 31220 KB Output is correct
8 Correct 4 ms 31068 KB Output is correct
9 Correct 3 ms 31068 KB Output is correct
10 Correct 3 ms 31276 KB Output is correct
11 Correct 4 ms 31068 KB Output is correct
12 Correct 4 ms 31068 KB Output is correct
13 Correct 4 ms 31068 KB Output is correct
14 Correct 3 ms 29188 KB Output is correct
15 Correct 4 ms 31068 KB Output is correct
16 Correct 4 ms 31260 KB Output is correct
17 Correct 3 ms 29020 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 2 ms 20828 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 4 ms 31504 KB Output is correct
7 Correct 4 ms 31220 KB Output is correct
8 Correct 4 ms 31068 KB Output is correct
9 Correct 3 ms 31068 KB Output is correct
10 Correct 3 ms 31276 KB Output is correct
11 Correct 4 ms 31068 KB Output is correct
12 Correct 4 ms 31068 KB Output is correct
13 Correct 4 ms 31068 KB Output is correct
14 Correct 3 ms 29188 KB Output is correct
15 Correct 4 ms 31068 KB Output is correct
16 Correct 4 ms 31260 KB Output is correct
17 Correct 3 ms 29020 KB Output is correct
18 Correct 12 ms 117340 KB Output is correct
19 Correct 12 ms 117340 KB Output is correct
20 Correct 13 ms 117336 KB Output is correct
21 Correct 13 ms 117340 KB Output is correct
22 Correct 12 ms 117340 KB Output is correct
23 Correct 12 ms 117500 KB Output is correct
24 Correct 13 ms 117424 KB Output is correct
25 Correct 12 ms 117340 KB Output is correct
26 Correct 12 ms 117340 KB Output is correct
27 Correct 12 ms 117340 KB Output is correct
28 Correct 12 ms 117592 KB Output is correct
29 Correct 12 ms 117372 KB Output is correct
30 Correct 12 ms 117340 KB Output is correct
31 Correct 12 ms 117488 KB Output is correct
32 Correct 12 ms 117336 KB Output is correct
33 Correct 11 ms 115292 KB Output is correct
34 Correct 12 ms 115292 KB Output is correct
35 Correct 12 ms 113260 KB Output is correct
36 Correct 12 ms 115420 KB Output is correct
37 Correct 11 ms 111320 KB Output is correct
38 Correct 13 ms 117336 KB Output is correct
39 Correct 12 ms 117340 KB Output is correct
40 Correct 12 ms 115292 KB Output is correct
41 Correct 11 ms 117340 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6492 KB Output is correct
2 Correct 162 ms 778320 KB Output is correct
3 Correct 98 ms 778332 KB Output is correct
4 Correct 98 ms 780288 KB Output is correct
5 Correct 97 ms 780372 KB Output is correct
6 Correct 96 ms 780368 KB Output is correct
7 Correct 96 ms 778304 KB Output is correct
8 Correct 97 ms 778124 KB Output is correct
9 Correct 105 ms 776276 KB Output is correct
10 Correct 97 ms 780372 KB Output is correct
11 Correct 97 ms 780372 KB Output is correct
12 Correct 43 ms 402768 KB Output is correct
13 Correct 60 ms 534112 KB Output is correct
14 Correct 74 ms 644948 KB Output is correct
15 Correct 101 ms 780144 KB Output is correct
16 Correct 97 ms 780372 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 1 ms 4444 KB Output is correct
3 Correct 1 ms 6492 KB Output is correct
4 Correct 2 ms 20828 KB Output is correct
5 Correct 3 ms 31068 KB Output is correct
6 Correct 4 ms 31504 KB Output is correct
7 Correct 4 ms 31220 KB Output is correct
8 Correct 4 ms 31068 KB Output is correct
9 Correct 3 ms 31068 KB Output is correct
10 Correct 3 ms 31276 KB Output is correct
11 Correct 4 ms 31068 KB Output is correct
12 Correct 4 ms 31068 KB Output is correct
13 Correct 4 ms 31068 KB Output is correct
14 Correct 3 ms 29188 KB Output is correct
15 Correct 4 ms 31068 KB Output is correct
16 Correct 4 ms 31260 KB Output is correct
17 Correct 3 ms 29020 KB Output is correct
18 Correct 12 ms 117340 KB Output is correct
19 Correct 12 ms 117340 KB Output is correct
20 Correct 13 ms 117336 KB Output is correct
21 Correct 13 ms 117340 KB Output is correct
22 Correct 12 ms 117340 KB Output is correct
23 Correct 12 ms 117500 KB Output is correct
24 Correct 13 ms 117424 KB Output is correct
25 Correct 12 ms 117340 KB Output is correct
26 Correct 12 ms 117340 KB Output is correct
27 Correct 12 ms 117340 KB Output is correct
28 Correct 12 ms 117592 KB Output is correct
29 Correct 12 ms 117372 KB Output is correct
30 Correct 12 ms 117340 KB Output is correct
31 Correct 12 ms 117488 KB Output is correct
32 Correct 12 ms 117336 KB Output is correct
33 Correct 11 ms 115292 KB Output is correct
34 Correct 12 ms 115292 KB Output is correct
35 Correct 12 ms 113260 KB Output is correct
36 Correct 12 ms 115420 KB Output is correct
37 Correct 11 ms 111320 KB Output is correct
38 Correct 13 ms 117336 KB Output is correct
39 Correct 12 ms 117340 KB Output is correct
40 Correct 12 ms 115292 KB Output is correct
41 Correct 11 ms 117340 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 162 ms 778320 KB Output is correct
44 Correct 98 ms 778332 KB Output is correct
45 Correct 98 ms 780288 KB Output is correct
46 Correct 97 ms 780372 KB Output is correct
47 Correct 96 ms 780368 KB Output is correct
48 Correct 96 ms 778304 KB Output is correct
49 Correct 97 ms 778124 KB Output is correct
50 Correct 105 ms 776276 KB Output is correct
51 Correct 97 ms 780372 KB Output is correct
52 Correct 97 ms 780372 KB Output is correct
53 Correct 43 ms 402768 KB Output is correct
54 Correct 60 ms 534112 KB Output is correct
55 Correct 74 ms 644948 KB Output is correct
56 Correct 101 ms 780144 KB Output is correct
57 Correct 97 ms 780372 KB Output is correct
58 Correct 119 ms 780336 KB Output is correct
59 Correct 120 ms 780308 KB Output is correct
60 Correct 117 ms 776164 KB Output is correct
61 Correct 116 ms 778324 KB Output is correct
62 Correct 102 ms 780316 KB Output is correct
63 Correct 107 ms 780236 KB Output is correct
64 Correct 115 ms 780296 KB Output is correct
65 Correct 118 ms 778324 KB Output is correct
66 Correct 116 ms 774224 KB Output is correct
67 Correct 118 ms 780168 KB Output is correct
68 Correct 117 ms 778324 KB Output is correct
69 Correct 120 ms 780384 KB Output is correct
70 Correct 116 ms 780268 KB Output is correct
71 Correct 120 ms 778252 KB Output is correct
72 Correct 89 ms 778320 KB Output is correct
73 Correct 74 ms 780188 KB Output is correct