oj.uz

Submission #888912

# Submission time Handle Problem Language Result Execution time Memory
888912 2023-12-18T11:39:42 Z hafo Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 114 ms 780580 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 <= Size(pos[0]); red++) {
            for(int green = 0; green <= Size(pos[1]); green++) {
                int yellow = i - red - green;
                if(yellow < 0 || yellow > Size(pos[2])) continue;
                for(int cur = 0; cur < 3; cur++) {
                    if(dp[i][red][green][cur] == oo) continue;
                    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 0 ms 2392 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 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31272 KB Output is correct
9 Correct 3 ms 31068 KB Output is correct
10 Correct 3 ms 31068 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31320 KB Output is correct
13 Correct 4 ms 31064 KB Output is correct
14 Correct 3 ms 29016 KB Output is correct
15 Correct 3 ms 31232 KB Output is correct
16 Correct 4 ms 31068 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 0 ms 2392 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 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31272 KB Output is correct
9 Correct 3 ms 31068 KB Output is correct
10 Correct 3 ms 31068 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31320 KB Output is correct
13 Correct 4 ms 31064 KB Output is correct
14 Correct 3 ms 29016 KB Output is correct
15 Correct 3 ms 31232 KB Output is correct
16 Correct 4 ms 31068 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 117336 KB Output is correct
20 Correct 12 ms 117340 KB Output is correct
21 Correct 12 ms 117340 KB Output is correct
22 Correct 12 ms 117340 KB Output is correct
23 Correct 12 ms 117496 KB Output is correct
24 Correct 12 ms 117280 KB Output is correct
25 Correct 13 ms 117336 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 117384 KB Output is correct
29 Correct 12 ms 117356 KB Output is correct
30 Correct 12 ms 117336 KB Output is correct
31 Correct 12 ms 117336 KB Output is correct
32 Correct 12 ms 117340 KB Output is correct
33 Correct 12 ms 115352 KB Output is correct
34 Correct 11 ms 115292 KB Output is correct
35 Correct 12 ms 113412 KB Output is correct
36 Correct 12 ms 115256 KB Output is correct
37 Correct 12 ms 111196 KB Output is correct
38 Correct 12 ms 117340 KB Output is correct
39 Correct 13 ms 117340 KB Output is correct
40 Correct 11 ms 115292 KB Output is correct
41 Correct 12 ms 117264 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 104 ms 780256 KB Output is correct
3 Correct 104 ms 778088 KB Output is correct
4 Correct 104 ms 780348 KB Output is correct
5 Correct 102 ms 780372 KB Output is correct
6 Correct 103 ms 780368 KB Output is correct
7 Correct 104 ms 778320 KB Output is correct
8 Correct 104 ms 778168 KB Output is correct
9 Correct 101 ms 776264 KB Output is correct
10 Correct 103 ms 780372 KB Output is correct
11 Correct 103 ms 780332 KB Output is correct
12 Correct 44 ms 402768 KB Output is correct
13 Correct 60 ms 534104 KB Output is correct
14 Correct 79 ms 644820 KB Output is correct
15 Correct 101 ms 780368 KB Output is correct
16 Correct 101 ms 780368 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2392 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 3 ms 31068 KB Output is correct
7 Correct 3 ms 31068 KB Output is correct
8 Correct 3 ms 31272 KB Output is correct
9 Correct 3 ms 31068 KB Output is correct
10 Correct 3 ms 31068 KB Output is correct
11 Correct 3 ms 31068 KB Output is correct
12 Correct 3 ms 31320 KB Output is correct
13 Correct 4 ms 31064 KB Output is correct
14 Correct 3 ms 29016 KB Output is correct
15 Correct 3 ms 31232 KB Output is correct
16 Correct 4 ms 31068 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 117336 KB Output is correct
20 Correct 12 ms 117340 KB Output is correct
21 Correct 12 ms 117340 KB Output is correct
22 Correct 12 ms 117340 KB Output is correct
23 Correct 12 ms 117496 KB Output is correct
24 Correct 12 ms 117280 KB Output is correct
25 Correct 13 ms 117336 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 117384 KB Output is correct
29 Correct 12 ms 117356 KB Output is correct
30 Correct 12 ms 117336 KB Output is correct
31 Correct 12 ms 117336 KB Output is correct
32 Correct 12 ms 117340 KB Output is correct
33 Correct 12 ms 115352 KB Output is correct
34 Correct 11 ms 115292 KB Output is correct
35 Correct 12 ms 113412 KB Output is correct
36 Correct 12 ms 115256 KB Output is correct
37 Correct 12 ms 111196 KB Output is correct
38 Correct 12 ms 117340 KB Output is correct
39 Correct 13 ms 117340 KB Output is correct
40 Correct 11 ms 115292 KB Output is correct
41 Correct 12 ms 117264 KB Output is correct
42 Correct 1 ms 6492 KB Output is correct
43 Correct 104 ms 780256 KB Output is correct
44 Correct 104 ms 778088 KB Output is correct
45 Correct 104 ms 780348 KB Output is correct
46 Correct 102 ms 780372 KB Output is correct
47 Correct 103 ms 780368 KB Output is correct
48 Correct 104 ms 778320 KB Output is correct
49 Correct 104 ms 778168 KB Output is correct
50 Correct 101 ms 776264 KB Output is correct
51 Correct 103 ms 780372 KB Output is correct
52 Correct 103 ms 780332 KB Output is correct
53 Correct 44 ms 402768 KB Output is correct
54 Correct 60 ms 534104 KB Output is correct
55 Correct 79 ms 644820 KB Output is correct
56 Correct 101 ms 780368 KB Output is correct
57 Correct 101 ms 780368 KB Output is correct
58 Correct 113 ms 780368 KB Output is correct
59 Correct 112 ms 780368 KB Output is correct
60 Correct 112 ms 776232 KB Output is correct
61 Correct 111 ms 778324 KB Output is correct
62 Correct 107 ms 780180 KB Output is correct
63 Correct 107 ms 780372 KB Output is correct
64 Correct 111 ms 780368 KB Output is correct
65 Correct 114 ms 778324 KB Output is correct
66 Correct 111 ms 774228 KB Output is correct
67 Correct 111 ms 780360 KB Output is correct
68 Correct 111 ms 778320 KB Output is correct
69 Correct 111 ms 780368 KB Output is correct
70 Correct 112 ms 780580 KB Output is correct
71 Correct 112 ms 778280 KB Output is correct
72 Correct 87 ms 778068 KB Output is correct
73 Correct 76 ms 780112 KB Output is correct