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Submission #289123

# Submission time Handle Problem Language Result Execution time Memory
289123 2020-09-02T11:31:35 Z ngotienhung Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 182 ms 101624 KB 
#include <bits/stdc++.h>
#define RED 0
#define GRE 1
#define YEL 2
using namespace std;

const int inf = 1e9;

int N;
int f[205][205][205][3];
int pos[405][3], pre[405][3];
int pr, py, pg;

int calc(int r, int g, int y, int last)
{
    if(r == pr && g == pg && y == py)
        return 0;

    if(f[r][g][y][last] != -1)
        return f[r][g][y][last];

    int res = inf;

    if(r < pr && last != 0) {
        int now = pos[r][0];
        res = min(res, calc(r + 1, g, y, 0) + max(pre[now][1] - g, 0) + max(pre[now][2] - y, 0));
    }

    if(g < pg && last != 1) {
        int now = pos[g][1];
        res = min(res, calc(r, g + 1, y, 1) + max(pre[now][0] - r, 0) + max(pre[now][2] - y, 0));
    }

    if(y < py && last != 2) {
        int now = pos[y][2];
        res = min(res, calc(r, g, y + 1, 2) + max(pre[now][0] - r, 0) + max(pre[now][1] - g, 0));
    }

    return f[r][g][y][last] = res;
}

int main() {
    ios_base::sync_with_stdio(0); cin.tie(); cout.tie();
    cin >> N;
    char c;
    memset(f, -1, sizeof(f));

    for(int i = 1; i <= N; i++) {
        cin >> c;

        if(c == 'R') {
          pre[i][0] = 1;
          pos[pr++][0] = i;
        }
        else if(c == 'G') {
          pre[i][1] = 1;
          pos[pg++][1] = i;
        }
        else {
          pre[i][2] = 1;
          pos[py++][2] = i;
        }

        pre[i][0] += pre[i - 1][0];
        pre[i][1] += pre[i - 1][1];
        pre[i][2] += pre[i - 1][2];
    }

    if(max(pr, max(pg, py)) > pr + py + pg - max(pr, max(pg, py)) + 1) {
        cout << -1 << endl;
        return 0;
    }

    int ans = inf;
    if(pr > 0)
    {
        int now = pos[0][0];
        ans = min(ans, calc(1, 0, 0, 0) + pre[now][1] + pre[now][2]);
    }
    if(pg > 0)
    {
        int now = pos[0][1];
        ans = min(ans, calc(0, 1, 0, 1) + pre[now][0] + pre[now][2]);
    }
    if(py > 0)
    {
        int now = pos[0][2];
        ans = min(ans, calc(0, 0, 1, 2) + pre[now][0] + pre[now][1]);
    }
    if(ans != inf) {
        cout << ans << endl;
    }
    else
        cout << endl;

    cin >> N;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 101496 KB Output is correct
2 Correct 56 ms 101496 KB Output is correct
3 Correct 57 ms 101504 KB Output is correct
4 Correct 58 ms 101496 KB Output is correct
5 Correct 55 ms 101496 KB Output is correct
6 Correct 57 ms 101504 KB Output is correct
7 Correct 56 ms 101496 KB Output is correct
8 Correct 55 ms 101496 KB Output is correct
9 Correct 59 ms 101496 KB Output is correct
10 Correct 56 ms 101496 KB Output is correct
11 Correct 56 ms 101496 KB Output is correct
12 Correct 55 ms 101496 KB Output is correct
13 Correct 55 ms 101504 KB Output is correct
14 Correct 56 ms 101496 KB Output is correct
15 Correct 58 ms 101496 KB Output is correct
16 Correct 56 ms 101496 KB Output is correct
17 Correct 56 ms 101496 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 101496 KB Output is correct
2 Correct 56 ms 101496 KB Output is correct
3 Correct 57 ms 101504 KB Output is correct
4 Correct 58 ms 101496 KB Output is correct
5 Correct 55 ms 101496 KB Output is correct
6 Correct 57 ms 101504 KB Output is correct
7 Correct 56 ms 101496 KB Output is correct
8 Correct 55 ms 101496 KB Output is correct
9 Correct 59 ms 101496 KB Output is correct
10 Correct 56 ms 101496 KB Output is correct
11 Correct 56 ms 101496 KB Output is correct
12 Correct 55 ms 101496 KB Output is correct
13 Correct 55 ms 101504 KB Output is correct
14 Correct 56 ms 101496 KB Output is correct
15 Correct 58 ms 101496 KB Output is correct
16 Correct 56 ms 101496 KB Output is correct
17 Correct 56 ms 101496 KB Output is correct
18 Correct 56 ms 101452 KB Output is correct
19 Correct 57 ms 101496 KB Output is correct
20 Correct 57 ms 101496 KB Output is correct
21 Correct 58 ms 101500 KB Output is correct
22 Correct 59 ms 101496 KB Output is correct
23 Correct 56 ms 101496 KB Output is correct
24 Correct 56 ms 101496 KB Output is correct
25 Correct 57 ms 101496 KB Output is correct
26 Correct 55 ms 101496 KB Output is correct
27 Correct 58 ms 101496 KB Output is correct
28 Correct 57 ms 101496 KB Output is correct
29 Correct 56 ms 101496 KB Output is correct
30 Correct 57 ms 101496 KB Output is correct
31 Correct 57 ms 101496 KB Output is correct
32 Correct 56 ms 101496 KB Output is correct
33 Correct 55 ms 101496 KB Output is correct
34 Correct 55 ms 101496 KB Output is correct
35 Correct 62 ms 101496 KB Output is correct
36 Correct 57 ms 101496 KB Output is correct
37 Correct 56 ms 101496 KB Output is correct
38 Correct 56 ms 101496 KB Output is correct
39 Correct 57 ms 101624 KB Output is correct
40 Correct 57 ms 101624 KB Output is correct
41 Correct 55 ms 101496 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 101508 KB Output is correct
2 Correct 56 ms 101480 KB Output is correct
3 Correct 57 ms 101496 KB Output is correct
4 Correct 57 ms 101500 KB Output is correct
5 Correct 56 ms 101496 KB Output is correct
6 Correct 58 ms 101496 KB Output is correct
7 Correct 56 ms 101496 KB Output is correct
8 Correct 57 ms 101496 KB Output is correct
9 Correct 58 ms 101500 KB Output is correct
10 Correct 58 ms 101496 KB Output is correct
11 Correct 56 ms 101496 KB Output is correct
12 Correct 55 ms 101496 KB Output is correct
13 Correct 55 ms 101496 KB Output is correct
14 Correct 55 ms 101496 KB Output is correct
15 Correct 57 ms 101624 KB Output is correct
16 Correct 57 ms 101496 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 56 ms 101496 KB Output is correct
2 Correct 56 ms 101496 KB Output is correct
3 Correct 57 ms 101504 KB Output is correct
4 Correct 58 ms 101496 KB Output is correct
5 Correct 55 ms 101496 KB Output is correct
6 Correct 57 ms 101504 KB Output is correct
7 Correct 56 ms 101496 KB Output is correct
8 Correct 55 ms 101496 KB Output is correct
9 Correct 59 ms 101496 KB Output is correct
10 Correct 56 ms 101496 KB Output is correct
11 Correct 56 ms 101496 KB Output is correct
12 Correct 55 ms 101496 KB Output is correct
13 Correct 55 ms 101504 KB Output is correct
14 Correct 56 ms 101496 KB Output is correct
15 Correct 58 ms 101496 KB Output is correct
16 Correct 56 ms 101496 KB Output is correct
17 Correct 56 ms 101496 KB Output is correct
18 Correct 56 ms 101452 KB Output is correct
19 Correct 57 ms 101496 KB Output is correct
20 Correct 57 ms 101496 KB Output is correct
21 Correct 58 ms 101500 KB Output is correct
22 Correct 59 ms 101496 KB Output is correct
23 Correct 56 ms 101496 KB Output is correct
24 Correct 56 ms 101496 KB Output is correct
25 Correct 57 ms 101496 KB Output is correct
26 Correct 55 ms 101496 KB Output is correct
27 Correct 58 ms 101496 KB Output is correct
28 Correct 57 ms 101496 KB Output is correct
29 Correct 56 ms 101496 KB Output is correct
30 Correct 57 ms 101496 KB Output is correct
31 Correct 57 ms 101496 KB Output is correct
32 Correct 56 ms 101496 KB Output is correct
33 Correct 55 ms 101496 KB Output is correct
34 Correct 55 ms 101496 KB Output is correct
35 Correct 62 ms 101496 KB Output is correct
36 Correct 57 ms 101496 KB Output is correct
37 Correct 56 ms 101496 KB Output is correct
38 Correct 56 ms 101496 KB Output is correct
39 Correct 57 ms 101624 KB Output is correct
40 Correct 57 ms 101624 KB Output is correct
41 Correct 55 ms 101496 KB Output is correct
42 Correct 56 ms 101508 KB Output is correct
43 Correct 56 ms 101480 KB Output is correct
44 Correct 57 ms 101496 KB Output is correct
45 Correct 57 ms 101500 KB Output is correct
46 Correct 56 ms 101496 KB Output is correct
47 Correct 58 ms 101496 KB Output is correct
48 Correct 56 ms 101496 KB Output is correct
49 Correct 57 ms 101496 KB Output is correct
50 Correct 58 ms 101500 KB Output is correct
51 Correct 58 ms 101496 KB Output is correct
52 Correct 56 ms 101496 KB Output is correct
53 Correct 55 ms 101496 KB Output is correct
54 Correct 55 ms 101496 KB Output is correct
55 Correct 55 ms 101496 KB Output is correct
56 Correct 57 ms 101624 KB Output is correct
57 Correct 57 ms 101496 KB Output is correct
58 Correct 166 ms 101496 KB Output is correct
59 Correct 170 ms 101496 KB Output is correct
60 Correct 171 ms 101496 KB Output is correct
61 Correct 174 ms 101496 KB Output is correct
62 Correct 57 ms 101496 KB Output is correct
63 Correct 58 ms 101496 KB Output is correct
64 Correct 73 ms 101624 KB Output is correct
65 Correct 98 ms 101496 KB Output is correct
66 Correct 168 ms 101496 KB Output is correct
67 Correct 169 ms 101496 KB Output is correct
68 Correct 172 ms 101496 KB Output is correct
69 Correct 182 ms 101496 KB Output is correct
70 Correct 171 ms 101496 KB Output is correct
71 Correct 169 ms 101496 KB Output is correct
72 Correct 57 ms 101496 KB Output is correct
73 Correct 55 ms 101528 KB Output is correct