oj.uz

답안 #775909

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
775909 2023-07-07T06:47:59 Z gun_gan Growing Vegetable is Fun 3 (JOI19_ho_t3) C++17
75 / 100
 500 ms 792016 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
 
const int MX = 407;
 
int N;
int dp[MX][MX][MX][3];
 
vector<int> R, G, Y;
 
int f(int r, int g, int y, int c) {
      int pos = r + g + y, res = 1e9;
      if(dp[r][g][y][c] != -1) return dp[r][g][y][c];
 
      if(pos == N) return dp[r][g][y][c] = 0;
 
      if(c != 0 && r + 1 < R.size()) {
            int itg = upper_bound(G.begin(), G.end(), R[r + 1]) - G.begin();
            int ity = upper_bound(Y.begin(), Y.end(), R[r + 1]) - Y.begin();

            res = min(res, f(r + 1, g, y, 0) + max(0, itg - g - 1) + max(0, ity - y - 1));
      }
 
      if(c != 1 && g + 1 < G.size()) {
            int itr = upper_bound(R.begin(), R.end(), G[g + 1]) - R.begin();
            int ity = upper_bound(Y.begin(), Y.end(), G[g + 1]) - Y.begin();

            res = min(res, f(r, g + 1, y, 1) + max(0, itr - r - 1) + max(0, ity - y - 1));
      }
      if(c != 2 && y + 1 < Y.size()) {
            int itr = upper_bound(R.begin(), R.end(), Y[y + 1]) - R.begin();
            int itg = upper_bound(G.begin(), G.end(), Y[y + 1]) - G.begin();

            res = min(res, f(r, g, y + 1, 2) + max(0, itr - r - 1) + max(0, itg - g - 1));
      }
 
      return dp[r][g][y][c] = res;     
}
 
int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);
 
      memset(dp, -1, sizeof dp);
      
      cin >> N;
      R = {0}, G = {0}, Y = {0};
 
      for(int i = 1; i <= N; i++) {
            char c;
            cin >> c;
 
            if(c == 'R') R.push_back(i);
            if(c == 'G') G.push_back(i);
            if(c == 'Y') Y.push_back(i);
      }
 
      int k = min({f(0, 0, 0, 0), f(0, 0, 0, 1), f(0, 0, 0, 2)});
      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:18:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |       if(c != 0 && r + 1 < R.size()) {
      |                    ~~~~~~^~~~~~~~~~
joi2019_ho_t3.cpp:25:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |       if(c != 1 && g + 1 < G.size()) {
      |                    ~~~~~~^~~~~~~~~~
joi2019_ho_t3.cpp:31:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   31 |       if(c != 2 && y + 1 < Y.size()) {
      |                    ~~~~~~^~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 294 ms 791884 KB Output is correct
2 Correct 244 ms 791844 KB Output is correct
3 Correct 246 ms 791812 KB Output is correct
4 Correct 237 ms 791804 KB Output is correct
5 Correct 243 ms 791796 KB Output is correct
6 Correct 239 ms 791856 KB Output is correct
7 Correct 237 ms 791788 KB Output is correct
8 Correct 233 ms 791860 KB Output is correct
9 Correct 239 ms 791936 KB Output is correct
10 Correct 233 ms 791884 KB Output is correct
11 Correct 250 ms 791840 KB Output is correct
12 Correct 240 ms 792016 KB Output is correct
13 Correct 236 ms 791884 KB Output is correct
14 Correct 248 ms 791880 KB Output is correct
15 Correct 235 ms 791888 KB Output is correct
16 Correct 235 ms 791804 KB Output is correct
17 Correct 239 ms 791884 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 294 ms 791884 KB Output is correct
2 Correct 244 ms 791844 KB Output is correct
3 Correct 246 ms 791812 KB Output is correct
4 Correct 237 ms 791804 KB Output is correct
5 Correct 243 ms 791796 KB Output is correct
6 Correct 239 ms 791856 KB Output is correct
7 Correct 237 ms 791788 KB Output is correct
8 Correct 233 ms 791860 KB Output is correct
9 Correct 239 ms 791936 KB Output is correct
10 Correct 233 ms 791884 KB Output is correct
11 Correct 250 ms 791840 KB Output is correct
12 Correct 240 ms 792016 KB Output is correct
13 Correct 236 ms 791884 KB Output is correct
14 Correct 248 ms 791880 KB Output is correct
15 Correct 235 ms 791888 KB Output is correct
16 Correct 235 ms 791804 KB Output is correct
17 Correct 239 ms 791884 KB Output is correct
18 Correct 240 ms 791884 KB Output is correct
19 Correct 247 ms 791884 KB Output is correct
20 Correct 247 ms 791800 KB Output is correct
21 Correct 237 ms 791896 KB Output is correct
22 Correct 240 ms 791860 KB Output is correct
23 Correct 237 ms 791804 KB Output is correct
24 Correct 243 ms 791888 KB Output is correct
25 Correct 262 ms 791828 KB Output is correct
26 Correct 238 ms 791888 KB Output is correct
27 Correct 240 ms 792000 KB Output is correct
28 Correct 238 ms 791916 KB Output is correct
29 Correct 236 ms 791908 KB Output is correct
30 Correct 236 ms 791832 KB Output is correct
31 Correct 251 ms 791872 KB Output is correct
32 Correct 240 ms 791824 KB Output is correct
33 Correct 236 ms 791800 KB Output is correct
34 Correct 242 ms 791800 KB Output is correct
35 Correct 238 ms 791920 KB Output is correct
36 Correct 240 ms 791908 KB Output is correct
37 Correct 235 ms 791804 KB Output is correct
38 Correct 240 ms 791884 KB Output is correct
39 Correct 240 ms 791924 KB Output is correct
40 Correct 237 ms 791884 KB Output is correct
41 Correct 239 ms 791968 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 235 ms 791824 KB Output is correct
2 Correct 244 ms 791864 KB Output is correct
3 Correct 246 ms 792012 KB Output is correct
4 Correct 241 ms 791916 KB Output is correct
5 Correct 237 ms 791896 KB Output is correct
6 Correct 238 ms 791928 KB Output is correct
7 Correct 238 ms 791872 KB Output is correct
8 Correct 240 ms 791952 KB Output is correct
9 Correct 250 ms 791892 KB Output is correct
10 Correct 241 ms 791916 KB Output is correct
11 Correct 236 ms 791884 KB Output is correct
12 Correct 254 ms 791928 KB Output is correct
13 Correct 238 ms 791872 KB Output is correct
14 Correct 235 ms 791956 KB Output is correct
15 Correct 239 ms 791892 KB Output is correct
16 Correct 263 ms 791944 KB Output is correct

Subtask #4
0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 294 ms 791884 KB Output is correct
2 Correct 244 ms 791844 KB Output is correct
3 Correct 246 ms 791812 KB Output is correct
4 Correct 237 ms 791804 KB Output is correct
5 Correct 243 ms 791796 KB Output is correct
6 Correct 239 ms 791856 KB Output is correct
7 Correct 237 ms 791788 KB Output is correct
8 Correct 233 ms 791860 KB Output is correct
9 Correct 239 ms 791936 KB Output is correct
10 Correct 233 ms 791884 KB Output is correct
11 Correct 250 ms 791840 KB Output is correct
12 Correct 240 ms 792016 KB Output is correct
13 Correct 236 ms 791884 KB Output is correct
14 Correct 248 ms 791880 KB Output is correct
15 Correct 235 ms 791888 KB Output is correct
16 Correct 235 ms 791804 KB Output is correct
17 Correct 239 ms 791884 KB Output is correct
18 Correct 240 ms 791884 KB Output is correct
19 Correct 247 ms 791884 KB Output is correct
20 Correct 247 ms 791800 KB Output is correct
21 Correct 237 ms 791896 KB Output is correct
22 Correct 240 ms 791860 KB Output is correct
23 Correct 237 ms 791804 KB Output is correct
24 Correct 243 ms 791888 KB Output is correct
25 Correct 262 ms 791828 KB Output is correct
26 Correct 238 ms 791888 KB Output is correct
27 Correct 240 ms 792000 KB Output is correct
28 Correct 238 ms 791916 KB Output is correct
29 Correct 236 ms 791908 KB Output is correct
30 Correct 236 ms 791832 KB Output is correct
31 Correct 251 ms 791872 KB Output is correct
32 Correct 240 ms 791824 KB Output is correct
33 Correct 236 ms 791800 KB Output is correct
34 Correct 242 ms 791800 KB Output is correct
35 Correct 238 ms 791920 KB Output is correct
36 Correct 240 ms 791908 KB Output is correct
37 Correct 235 ms 791804 KB Output is correct
38 Correct 240 ms 791884 KB Output is correct
39 Correct 240 ms 791924 KB Output is correct
40 Correct 237 ms 791884 KB Output is correct
41 Correct 239 ms 791968 KB Output is correct
42 Correct 235 ms 791824 KB Output is correct
43 Correct 244 ms 791864 KB Output is correct
44 Correct 246 ms 792012 KB Output is correct
45 Correct 241 ms 791916 KB Output is correct
46 Correct 237 ms 791896 KB Output is correct
47 Correct 238 ms 791928 KB Output is correct
48 Correct 238 ms 791872 KB Output is correct
49 Correct 240 ms 791952 KB Output is correct
50 Correct 250 ms 791892 KB Output is correct
51 Correct 241 ms 791916 KB Output is correct
52 Correct 236 ms 791884 KB Output is correct
53 Correct 254 ms 791928 KB Output is correct
54 Correct 238 ms 791872 KB Output is correct
55 Correct 235 ms 791956 KB Output is correct
56 Correct 239 ms 791892 KB Output is correct
57 Correct 263 ms 791944 KB Output is correct
58 Execution timed out 554 ms 791856 KB Time limit exceeded
59 Halted 0 ms 0 KB -