oj.uz

Submission #818883

# Submission time Handle Problem Language Result Execution time Memory
818883 2023-08-10T07:10:08 Z vjudge1 Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
100 / 100
 162 ms 205220 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 405;

int N;
string s;

vector < vector < int > > dp[MX][4];

int cnt[MX][3]; //R = 0, G = 1, Y = 2
vector<int> R, G, Y;

int f(int r, int g, int y, int l) {
      if(r + g + y == N) return 0;
      if(dp[r][l][g][y] != -1) return dp[r][l][g][y];

      int res = 1e9;
      if(r < R.size() && l != 0) {
            int cost = max(0, cnt[R[r]][1] - g) + max(0, cnt[R[r]][2] - y);
            res = min(res, f(r + 1, g, y, 0) + cost);
      }
      if(g < G.size() && l != 1) {
            int cost = max(0, cnt[G[g]][0] - r) + max(0, cnt[G[g]][2] - y);
            res = min(res, f(r, g + 1, y, 1) + cost);
      }
      if(y < Y.size() && l != 2) {
            int cost = max(0, cnt[Y[y]][0] - r) + max(0, cnt[Y[y]][1] - g);
            res = min(res, f(r, g, y + 1, 2) + cost);
      }

      // cout << r << " " << g << " " << y << " = " << res << '\n';

      return dp[r][l][g][y] = res;
}

int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);

      cin >> N >> s;

      for(int i = 0; i < N; i++) {
            if(s[i] == 'R') {
                  R.push_back(i);
                  cnt[i][0]++;
            }
            if(s[i] == 'G') {
                  G.push_back(i);
                  cnt[i][1]++;
            }
            if(s[i] == 'Y') {
                  Y.push_back(i);
                  cnt[i][2]++;
            }

            if(i > 0) {
                  cnt[i][0] += cnt[i - 1][0];
                  cnt[i][1] += cnt[i - 1][1];
                  cnt[i][2] += cnt[i - 1][2];
            }
      }

      for(int i = 0; i < MX; i++)
            for(int c = 0; c < 4; c++)
                  dp[i][c].assign(G.size() + 1, vector<int>(Y.size() + 1, -1));

      int k = f(0, 0, 0, 3);
      if(k == 1e9) k = -1;
      cout << k << '\n';
}

Compilation message

joi2019_ho_t3.cpp: In function 'int f(int, int, int, int)':
joi2019_ho_t3.cpp:20:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |       if(r < R.size() && l != 0) {
      |          ~~^~~~~~~~~~
joi2019_ho_t3.cpp:24:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |       if(g < G.size() && l != 1) {
      |          ~~^~~~~~~~~~
joi2019_ho_t3.cpp:28:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |       if(y < Y.size() && l != 2) {
      |          ~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 2 ms 1108 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 852 KB Output is correct
15 Correct 1 ms 852 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 596 KB Output is correct

Subtask #2
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 2 ms 1108 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 852 KB Output is correct
15 Correct 1 ms 852 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 3 ms 3924 KB Output is correct
19 Correct 3 ms 4180 KB Output is correct
20 Correct 2 ms 3540 KB Output is correct
21 Correct 3 ms 4692 KB Output is correct
22 Correct 3 ms 2900 KB Output is correct
23 Correct 3 ms 4692 KB Output is correct
24 Correct 4 ms 6100 KB Output is correct
25 Correct 2 ms 2388 KB Output is correct
26 Correct 3 ms 2900 KB Output is correct
27 Correct 3 ms 3540 KB Output is correct
28 Correct 3 ms 4308 KB Output is correct
29 Correct 3 ms 3924 KB Output is correct
30 Correct 5 ms 5076 KB Output is correct
31 Correct 4 ms 5460 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 5 ms 3300 KB Output is correct
34 Correct 3 ms 3460 KB Output is correct
35 Correct 3 ms 3552 KB Output is correct
36 Correct 4 ms 3924 KB Output is correct
37 Correct 5 ms 5268 KB Output is correct
38 Correct 4 ms 5588 KB Output is correct
39 Correct 4 ms 4692 KB Output is correct
40 Correct 6 ms 6996 KB Output is correct
41 Correct 7 ms 5524 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 468 KB Output is correct
2 Correct 15 ms 18252 KB Output is correct
3 Correct 15 ms 18052 KB Output is correct
4 Correct 15 ms 18132 KB Output is correct
5 Correct 16 ms 18132 KB Output is correct
6 Correct 18 ms 18292 KB Output is correct
7 Correct 16 ms 18172 KB Output is correct
8 Correct 15 ms 18244 KB Output is correct
9 Correct 16 ms 18132 KB Output is correct
10 Correct 16 ms 18140 KB Output is correct
11 Correct 19 ms 18252 KB Output is correct
12 Correct 8 ms 9556 KB Output is correct
13 Correct 10 ms 12620 KB Output is correct
14 Correct 13 ms 15152 KB Output is correct
15 Correct 16 ms 18276 KB Output is correct
16 Correct 16 ms 18260 KB Output is correct

Subtask #4
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 468 KB Output is correct
4 Correct 1 ms 724 KB Output is correct
5 Correct 1 ms 724 KB Output is correct
6 Correct 1 ms 852 KB Output is correct
7 Correct 1 ms 724 KB Output is correct
8 Correct 1 ms 724 KB Output is correct
9 Correct 2 ms 1108 KB Output is correct
10 Correct 1 ms 852 KB Output is correct
11 Correct 2 ms 980 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 724 KB Output is correct
14 Correct 1 ms 852 KB Output is correct
15 Correct 1 ms 852 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 1 ms 596 KB Output is correct
18 Correct 3 ms 3924 KB Output is correct
19 Correct 3 ms 4180 KB Output is correct
20 Correct 2 ms 3540 KB Output is correct
21 Correct 3 ms 4692 KB Output is correct
22 Correct 3 ms 2900 KB Output is correct
23 Correct 3 ms 4692 KB Output is correct
24 Correct 4 ms 6100 KB Output is correct
25 Correct 2 ms 2388 KB Output is correct
26 Correct 3 ms 2900 KB Output is correct
27 Correct 3 ms 3540 KB Output is correct
28 Correct 3 ms 4308 KB Output is correct
29 Correct 3 ms 3924 KB Output is correct
30 Correct 5 ms 5076 KB Output is correct
31 Correct 4 ms 5460 KB Output is correct
32 Correct 4 ms 5076 KB Output is correct
33 Correct 5 ms 3300 KB Output is correct
34 Correct 3 ms 3460 KB Output is correct
35 Correct 3 ms 3552 KB Output is correct
36 Correct 4 ms 3924 KB Output is correct
37 Correct 5 ms 5268 KB Output is correct
38 Correct 4 ms 5588 KB Output is correct
39 Correct 4 ms 4692 KB Output is correct
40 Correct 6 ms 6996 KB Output is correct
41 Correct 7 ms 5524 KB Output is correct
42 Correct 1 ms 468 KB Output is correct
43 Correct 15 ms 18252 KB Output is correct
44 Correct 15 ms 18052 KB Output is correct
45 Correct 15 ms 18132 KB Output is correct
46 Correct 16 ms 18132 KB Output is correct
47 Correct 18 ms 18292 KB Output is correct
48 Correct 16 ms 18172 KB Output is correct
49 Correct 15 ms 18244 KB Output is correct
50 Correct 16 ms 18132 KB Output is correct
51 Correct 16 ms 18140 KB Output is correct
52 Correct 19 ms 18252 KB Output is correct
53 Correct 8 ms 9556 KB Output is correct
54 Correct 10 ms 12620 KB Output is correct
55 Correct 13 ms 15152 KB Output is correct
56 Correct 16 ms 18276 KB Output is correct
57 Correct 16 ms 18260 KB Output is correct
58 Correct 147 ms 131880 KB Output is correct
59 Correct 144 ms 114932 KB Output is correct
60 Correct 140 ms 112380 KB Output is correct
61 Correct 143 ms 122600 KB Output is correct
62 Correct 15 ms 16596 KB Output is correct
63 Correct 22 ms 23000 KB Output is correct
64 Correct 44 ms 52888 KB Output is correct
65 Correct 75 ms 77408 KB Output is correct
66 Correct 139 ms 118332 KB Output is correct
67 Correct 150 ms 142024 KB Output is correct
68 Correct 141 ms 118516 KB Output is correct
69 Correct 153 ms 120744 KB Output is correct
70 Correct 162 ms 120960 KB Output is correct
71 Correct 136 ms 106784 KB Output is correct
72 Correct 11 ms 14932 KB Output is correct
73 Correct 87 ms 205220 KB Output is correct