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Submission #1114276

# Submission time Handle Problem Language Result Execution time Memory
1114276 2024-11-18T13:23:15 Z Icelast Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 143 ms 196680 KB 
#include <iostream>
#include <bits/stdc++.h>
#define ll long long
using namespace std;
const ll maxn = 2*1e5+5, INF = 1e9+9;
int f[401][401][401][3];
void solve(){
    int n;
    string s;
    cin >> n;
    cin >> s;
    s = ' ' + s;
    int R = 0, G = 0, Y = 0;
    vector<int> pfr(n+1, 0), pfg(n+1, 0), pfy(n+1, 0);
    vector<int> pr(n+1, 0), pg(n+1, 0), py(n+1, 0);
    for(int i = 1; i <= n; i++){
        pfr[i] = pfr[i-1];
        pfg[i] = pfg[i-1];
        pfy[i] = pfy[i-1];
        if(s[i] == 'R'){
            R++;
            pr[R] = i;
            pfr[i]++;
        }
        if(s[i] == 'G'){
            G++;
            pg[G] = i;
            pfg[i]++;
        }
        if(s[i] == 'Y'){
            Y++;
            py[Y] = i;
            pfy[i]++;
        }
    }
    auto chmin = [&](int &a, int b) -> void{
        a = min(a, b);
    };
    for(int r = 0; r <= R; r++){
        for(int g = 0; g <= G; g++){
            for(int y = 0; y <= Y; y++){
                for(int k = 0; k < 3; k++){
                    f[r][g][y][k] = INF;
                }
            }
        }
    }
    for(int k = 0; k < 3; k++){
        f[0][0][0][k] = 0;
    }
    for(int i = 1; i <= n; i++){
        for(int r = 0; r <= R; r++){
            for(int g = 0; g <= G; g++){
                int y = i-r-g;
                if(y < 0 || y > Y) continue;
                if(r > 0){
                    chmin(f[r][g][y][0], min(f[r-1][g][y][1], f[r-1][g][y][2]) + pr[r]+max(0, g-pfg[pr[r]]) + max(0, y-pfy[pr[r]])-i);
                }
                if(g > 0){
                    chmin(f[r][g][y][1], min(f[r][g-1][y][0], f[r][g-1][y][2]) + pg[g]+max(0, r-pfr[pg[g]]) + max(0, y-pfy[pg[g]])-i);
                }
                if(y > 0){
                    chmin(f[r][g][y][2], min(f[r][g][y-1][0], f[r][g][y-1][1]) + py[y]+max(0, r-pfr[py[y]]) + max(0, g-pfg[py[y]])-i);
                }
            }
        }
    }
    int ans = INF;
    for(int k = 0; k < 3; k++){
        chmin(ans, f[R][G][Y][k]);
    }
    if(ans > 1e8) ans = -1;
    cout << ans;
}
int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    solve();
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 6480 KB Output is correct
5 Correct 2 ms 10576 KB Output is correct
6 Correct 2 ms 12624 KB Output is correct
7 Correct 2 ms 14672 KB Output is correct
8 Correct 2 ms 12792 KB Output is correct
9 Correct 2 ms 12624 KB Output is correct
10 Correct 3 ms 20816 KB Output is correct
11 Correct 2 ms 10576 KB Output is correct
12 Correct 3 ms 10588 KB Output is correct
13 Correct 1 ms 6480 KB Output is correct
14 Correct 2 ms 12788 KB Output is correct
15 Correct 1 ms 8528 KB Output is correct
16 Correct 2 ms 10576 KB Output is correct
17 Correct 1 ms 336 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 6480 KB Output is correct
5 Correct 2 ms 10576 KB Output is correct
6 Correct 2 ms 12624 KB Output is correct
7 Correct 2 ms 14672 KB Output is correct
8 Correct 2 ms 12792 KB Output is correct
9 Correct 2 ms 12624 KB Output is correct
10 Correct 3 ms 20816 KB Output is correct
11 Correct 2 ms 10576 KB Output is correct
12 Correct 3 ms 10588 KB Output is correct
13 Correct 1 ms 6480 KB Output is correct
14 Correct 2 ms 12788 KB Output is correct
15 Correct 1 ms 8528 KB Output is correct
16 Correct 2 ms 10576 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 3 ms 14160 KB Output is correct
19 Correct 3 ms 15696 KB Output is correct
20 Correct 3 ms 20048 KB Output is correct
21 Correct 5 ms 31568 KB Output is correct
22 Correct 5 ms 33616 KB Output is correct
23 Correct 4 ms 33360 KB Output is correct
24 Correct 3 ms 21072 KB Output is correct
25 Correct 6 ms 44880 KB Output is correct
26 Correct 5 ms 48464 KB Output is correct
27 Correct 6 ms 51792 KB Output is correct
28 Correct 5 ms 41552 KB Output is correct
29 Correct 5 ms 43600 KB Output is correct
30 Correct 4 ms 33360 KB Output is correct
31 Correct 5 ms 29264 KB Output is correct
32 Correct 5 ms 35420 KB Output is correct
33 Correct 5 ms 47696 KB Output is correct
34 Correct 6 ms 43600 KB Output is correct
35 Correct 5 ms 45648 KB Output is correct
36 Correct 5 ms 39504 KB Output is correct
37 Correct 3 ms 25168 KB Output is correct
38 Correct 3 ms 27216 KB Output is correct
39 Correct 5 ms 35408 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 3 ms 19024 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4432 KB Output is correct
2 Correct 120 ms 180636 KB Output is correct
3 Correct 115 ms 189304 KB Output is correct
4 Correct 113 ms 192088 KB Output is correct
5 Correct 115 ms 181448 KB Output is correct
6 Correct 118 ms 186188 KB Output is correct
7 Correct 110 ms 194632 KB Output is correct
8 Correct 112 ms 193608 KB Output is correct
9 Correct 108 ms 195144 KB Output is correct
10 Correct 111 ms 194460 KB Output is correct
11 Correct 118 ms 194376 KB Output is correct
12 Correct 29 ms 82256 KB Output is correct
13 Correct 51 ms 114504 KB Output is correct
14 Correct 74 ms 148308 KB Output is correct
15 Correct 110 ms 196680 KB Output is correct
16 Correct 117 ms 195364 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2508 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 6480 KB Output is correct
5 Correct 2 ms 10576 KB Output is correct
6 Correct 2 ms 12624 KB Output is correct
7 Correct 2 ms 14672 KB Output is correct
8 Correct 2 ms 12792 KB Output is correct
9 Correct 2 ms 12624 KB Output is correct
10 Correct 3 ms 20816 KB Output is correct
11 Correct 2 ms 10576 KB Output is correct
12 Correct 3 ms 10588 KB Output is correct
13 Correct 1 ms 6480 KB Output is correct
14 Correct 2 ms 12788 KB Output is correct
15 Correct 1 ms 8528 KB Output is correct
16 Correct 2 ms 10576 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 3 ms 14160 KB Output is correct
19 Correct 3 ms 15696 KB Output is correct
20 Correct 3 ms 20048 KB Output is correct
21 Correct 5 ms 31568 KB Output is correct
22 Correct 5 ms 33616 KB Output is correct
23 Correct 4 ms 33360 KB Output is correct
24 Correct 3 ms 21072 KB Output is correct
25 Correct 6 ms 44880 KB Output is correct
26 Correct 5 ms 48464 KB Output is correct
27 Correct 6 ms 51792 KB Output is correct
28 Correct 5 ms 41552 KB Output is correct
29 Correct 5 ms 43600 KB Output is correct
30 Correct 4 ms 33360 KB Output is correct
31 Correct 5 ms 29264 KB Output is correct
32 Correct 5 ms 35420 KB Output is correct
33 Correct 5 ms 47696 KB Output is correct
34 Correct 6 ms 43600 KB Output is correct
35 Correct 5 ms 45648 KB Output is correct
36 Correct 5 ms 39504 KB Output is correct
37 Correct 3 ms 25168 KB Output is correct
38 Correct 3 ms 27216 KB Output is correct
39 Correct 5 ms 35408 KB Output is correct
40 Correct 1 ms 336 KB Output is correct
41 Correct 3 ms 19024 KB Output is correct
42 Correct 1 ms 4432 KB Output is correct
43 Correct 120 ms 180636 KB Output is correct
44 Correct 115 ms 189304 KB Output is correct
45 Correct 113 ms 192088 KB Output is correct
46 Correct 115 ms 181448 KB Output is correct
47 Correct 118 ms 186188 KB Output is correct
48 Correct 110 ms 194632 KB Output is correct
49 Correct 112 ms 193608 KB Output is correct
50 Correct 108 ms 195144 KB Output is correct
51 Correct 111 ms 194460 KB Output is correct
52 Correct 118 ms 194376 KB Output is correct
53 Correct 29 ms 82256 KB Output is correct
54 Correct 51 ms 114504 KB Output is correct
55 Correct 74 ms 148308 KB Output is correct
56 Correct 110 ms 196680 KB Output is correct
57 Correct 117 ms 195364 KB Output is correct
58 Correct 83 ms 115784 KB Output is correct
59 Correct 90 ms 130248 KB Output is correct
60 Correct 86 ms 124488 KB Output is correct
61 Correct 87 ms 116816 KB Output is correct
62 Correct 121 ms 177832 KB Output is correct
63 Correct 143 ms 168320 KB Output is correct
64 Correct 107 ms 175080 KB Output is correct
65 Correct 118 ms 158280 KB Output is correct
66 Correct 88 ms 118344 KB Output is correct
67 Correct 93 ms 113480 KB Output is correct
68 Correct 103 ms 120464 KB Output is correct
69 Correct 93 ms 115272 KB Output is correct
70 Correct 98 ms 127208 KB Output is correct
71 Correct 85 ms 115436 KB Output is correct
72 Correct 38 ms 79532 KB Output is correct
73 Correct 3 ms 8784 KB Output is correct