oj.uz

Submission #928338

# Submission time Handle Problem Language Result Execution time Memory
928338 2024-02-16T08:42:39 Z Unforgettablepl Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 189 ms 794924 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long

const int INF = 1e15;

int pref[3][401][401];
int DP[401][401][401][3];
int idx[3][401];

int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    int red = 0;
    int green = 0;
    int yellow = 0;
    for (int i = 1; i <= n; i ++) {
        char a;cin>>a;
        if(a=='R'){
            idx[0][++red]=i;
            for(int j=1;j<=n;j++)pref[0][red][j]=pref[0][red-1][j];
            for(int j=i;j<=n;j++)pref[0][red][j]++;
        } else if(a=='G'){
            idx[1][++green]=i;
            for(int j=1;j<=n;j++)pref[1][green][j]=pref[1][green-1][j];
            for(int j=i;j<=n;j++)pref[1][green][j]++;
        } else {
            idx[2][++yellow]=i;
            for(int j=1;j<=n;j++)pref[2][yellow][j]=pref[2][yellow-1][j];
            for(int j=i;j<=n;j++)pref[2][yellow][j]++;
        }
    }
    for(int i=0;i<=red;i++){
        for(int j=0;j<=green;j++){
            for(int k=0;k<=yellow;k++){
                if(i==0 and j==0 and k==0)continue;
                // If last is red
                if(i==0)DP[i][j][k][0]=INF;
                else {
                    DP[i][j][k][0]=min(DP[i-1][j][k][1],DP[i-1][j][k][2])+idx[0][i]-1-pref[0][i][idx[0][i]-1]-pref[1][j][idx[0][i]-1]-pref[2][k][idx[0][i]-1];
                }
                // If last is green
                if(j==0)DP[i][j][k][1]=INF;
                else {
                    DP[i][j][k][1]=min(DP[i][j-1][k][0],DP[i][j-1][k][2])+idx[1][j]-1-pref[0][i][idx[1][j]-1]-pref[1][j][idx[1][j]-1]-pref[2][k][idx[1][j]-1];
                }
                // If last is yellow
                if(k==0)DP[i][j][k][2]=INF;
                else {
                    DP[i][j][k][2]=min(DP[i][j][k-1][0],DP[i][j][k-1][1])+idx[2][k]-1-pref[0][i][idx[2][k]-1]-pref[1][j][idx[2][k]-1]-pref[2][k][idx[2][k]-1];
                }
            }
        }
    }
    int ans = min({DP[red][green][yellow][0],DP[red][green][yellow][1],DP[red][green][yellow][2]});
    cout << (ans>=INF ? -1 : ans) << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 6624 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 2 ms 14888 KB Output is correct
8 Correct 2 ms 12632 KB Output is correct
9 Correct 2 ms 12888 KB Output is correct
10 Correct 2 ms 20828 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 2 ms 12636 KB Output is correct
15 Correct 2 ms 8540 KB Output is correct
16 Correct 3 ms 22876 KB Output is correct
17 Correct 0 ms 348 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 0 ms 2396 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 6624 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 2 ms 14888 KB Output is correct
8 Correct 2 ms 12632 KB Output is correct
9 Correct 2 ms 12888 KB Output is correct
10 Correct 2 ms 20828 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 2 ms 12636 KB Output is correct
15 Correct 2 ms 8540 KB Output is correct
16 Correct 3 ms 22876 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 6 ms 51804 KB Output is correct
19 Correct 5 ms 43612 KB Output is correct
20 Correct 6 ms 55896 KB Output is correct
21 Correct 5 ms 47824 KB Output is correct
22 Correct 6 ms 53852 KB Output is correct
23 Correct 5 ms 41564 KB Output is correct
24 Correct 3 ms 25180 KB Output is correct
25 Correct 9 ms 86840 KB Output is correct
26 Correct 8 ms 76632 KB Output is correct
27 Correct 7 ms 64348 KB Output is correct
28 Correct 5 ms 49756 KB Output is correct
29 Correct 6 ms 49756 KB Output is correct
30 Correct 5 ms 41560 KB Output is correct
31 Correct 4 ms 37720 KB Output is correct
32 Correct 5 ms 43612 KB Output is correct
33 Correct 7 ms 62300 KB Output is correct
34 Correct 6 ms 53852 KB Output is correct
35 Correct 6 ms 53988 KB Output is correct
36 Correct 5 ms 45656 KB Output is correct
37 Correct 4 ms 33372 KB Output is correct
38 Correct 4 ms 35620 KB Output is correct
39 Correct 6 ms 45660 KB Output is correct
40 Correct 1 ms 2652 KB Output is correct
41 Correct 3 ms 25180 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 189 ms 759868 KB Output is correct
3 Correct 82 ms 760144 KB Output is correct
4 Correct 76 ms 758864 KB Output is correct
5 Correct 77 ms 758864 KB Output is correct
6 Correct 76 ms 758868 KB Output is correct
7 Correct 76 ms 756832 KB Output is correct
8 Correct 75 ms 756820 KB Output is correct
9 Correct 76 ms 756816 KB Output is correct
10 Correct 75 ms 758864 KB Output is correct
11 Correct 76 ms 758832 KB Output is correct
12 Correct 32 ms 314960 KB Output is correct
13 Correct 47 ms 458848 KB Output is correct
14 Correct 58 ms 600660 KB Output is correct
15 Correct 76 ms 756704 KB Output is correct
16 Correct 76 ms 756836 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 0 ms 2396 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 6624 KB Output is correct
5 Correct 1 ms 10588 KB Output is correct
6 Correct 2 ms 12636 KB Output is correct
7 Correct 2 ms 14888 KB Output is correct
8 Correct 2 ms 12632 KB Output is correct
9 Correct 2 ms 12888 KB Output is correct
10 Correct 2 ms 20828 KB Output is correct
11 Correct 2 ms 10588 KB Output is correct
12 Correct 1 ms 10584 KB Output is correct
13 Correct 1 ms 6492 KB Output is correct
14 Correct 2 ms 12636 KB Output is correct
15 Correct 2 ms 8540 KB Output is correct
16 Correct 3 ms 22876 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 6 ms 51804 KB Output is correct
19 Correct 5 ms 43612 KB Output is correct
20 Correct 6 ms 55896 KB Output is correct
21 Correct 5 ms 47824 KB Output is correct
22 Correct 6 ms 53852 KB Output is correct
23 Correct 5 ms 41564 KB Output is correct
24 Correct 3 ms 25180 KB Output is correct
25 Correct 9 ms 86840 KB Output is correct
26 Correct 8 ms 76632 KB Output is correct
27 Correct 7 ms 64348 KB Output is correct
28 Correct 5 ms 49756 KB Output is correct
29 Correct 6 ms 49756 KB Output is correct
30 Correct 5 ms 41560 KB Output is correct
31 Correct 4 ms 37720 KB Output is correct
32 Correct 5 ms 43612 KB Output is correct
33 Correct 7 ms 62300 KB Output is correct
34 Correct 6 ms 53852 KB Output is correct
35 Correct 6 ms 53988 KB Output is correct
36 Correct 5 ms 45656 KB Output is correct
37 Correct 4 ms 33372 KB Output is correct
38 Correct 4 ms 35620 KB Output is correct
39 Correct 6 ms 45660 KB Output is correct
40 Correct 1 ms 2652 KB Output is correct
41 Correct 3 ms 25180 KB Output is correct
42 Correct 1 ms 4444 KB Output is correct
43 Correct 189 ms 759868 KB Output is correct
44 Correct 82 ms 760144 KB Output is correct
45 Correct 76 ms 758864 KB Output is correct
46 Correct 77 ms 758864 KB Output is correct
47 Correct 76 ms 758868 KB Output is correct
48 Correct 76 ms 756832 KB Output is correct
49 Correct 75 ms 756820 KB Output is correct
50 Correct 76 ms 756816 KB Output is correct
51 Correct 75 ms 758864 KB Output is correct
52 Correct 76 ms 758832 KB Output is correct
53 Correct 32 ms 314960 KB Output is correct
54 Correct 47 ms 458848 KB Output is correct
55 Correct 58 ms 600660 KB Output is correct
56 Correct 76 ms 756704 KB Output is correct
57 Correct 76 ms 756836 KB Output is correct
58 Correct 52 ms 404000 KB Output is correct
59 Correct 64 ms 486224 KB Output is correct
60 Correct 63 ms 465444 KB Output is correct
61 Correct 57 ms 445012 KB Output is correct
62 Correct 81 ms 794924 KB Output is correct
63 Correct 76 ms 740436 KB Output is correct
64 Correct 78 ms 703484 KB Output is correct
65 Correct 71 ms 605072 KB Output is correct
66 Correct 57 ms 452688 KB Output is correct
67 Correct 56 ms 391504 KB Output is correct
68 Correct 58 ms 453204 KB Output is correct
69 Correct 58 ms 449104 KB Output is correct
70 Correct 59 ms 461396 KB Output is correct
71 Correct 64 ms 477780 KB Output is correct
72 Correct 72 ms 699456 KB Output is correct
73 Correct 3 ms 16220 KB Output is correct