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답안 #108751

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
108751 2019-05-01T12:44:11 Z tictaccat Growing Vegetable is Fun 3 (JOI19_ho_t3) C++14
100 / 100
 384 ms 192932 KB 
#include <bits/stdc++.h>

using namespace std;

const int INF = 1e9;
const int MAX = 400+2;

int N;
string S;

int dp[3][MAX][MAX][MAX];
int cross[MAX][MAX][MAX];

vector<int> R,G,Y;

int main() {

    cin >> N >> S;

    for (int i = 0; i < N; i++) {
        if (S[i] == 'R') R.push_back(i);
        else if (S[i] == 'G') G.push_back(i);
        else Y.push_back(i);
    }

    for (int r = 0; r <= R.size(); r++) {
        for (int g = 0; g <= G.size(); g++) {
            for (int y = 0; y <= Y.size(); y++) {
                int i = r+g+y;
                for (int c = 0; c < 3; c++) {

                    if (r == 0 && g == 0 && y == 0) {
                        dp[c][r][g][y] = 0;
                        continue;
                    }

                    dp[c][r][g][y] = INF;

                    if (c == 0 && r > 0) {
                        int yInv = y - (upper_bound(Y.begin(),Y.begin()+y,R[r-1]) - Y.begin());
                        int gInv = g - (upper_bound(G.begin(),G.begin()+g,R[r-1]) - G.begin());
                     //   if (r == 2 && g == 0 && y == 1) cout << yInv << " " << gInv << "\n";
                        dp[c][r][g][y] = min(dp[c][r][g][y],min(dp[1][r-1][g][y],dp[2][r-1][g][y]) + gInv + yInv);
                    }
                    if (c == 1 && g > 0) {
                        int yInv = y - (upper_bound(Y.begin(),Y.begin()+y,G[g-1]) - Y.begin());
                        int rInv = r - (upper_bound(R.begin(),R.begin()+r,G[g-1]) - R.begin());
                        dp[c][r][g][y] = min(dp[c][r][g][y],min(dp[0][r][g-1][y],dp[2][r][g-1][y]) + rInv + yInv);

                    }
                    if (c == 2 && y > 0) {
                        int rInv = r - (upper_bound(R.begin(),R.begin()+r,Y[y-1]) - R.begin());
                        int gInv = g - (upper_bound(G.begin(),G.begin()+g,Y[y-1]) - G.begin());
                       // if (r == 2 && g == 0 && y == 1) cout << rInv << " " << gInv << "\n";
                        dp[c][r][g][y] = min(dp[c][r][g][y],min(dp[1][r][g][y-1],dp[0][r][g][y-1]) + gInv + rInv);
                    }

                }
            }
        }
    }

    //cout << dp[0][1][0][1] << "\n";
    int ans = INF;
    for (int c = 0; c < 3; c++) ans = min(ans,dp[c][R.size()][G.size()][Y.size()]);
    
    cout << (ans == INF ? -1 : ans) << "\n";

    return 0;
}

Compilation message

joi2019_ho_t3.cpp: In function 'int main()':
joi2019_ho_t3.cpp:26:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int r = 0; r <= R.size(); r++) {
                     ~~^~~~~~~~~~~
joi2019_ho_t3.cpp:27:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int g = 0; g <= G.size(); g++) {
                         ~~^~~~~~~~~~~
joi2019_ho_t3.cpp:28:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int y = 0; y <= Y.size(); y++) {
                             ~~^~~~~~~~~~~
joi2019_ho_t3.cpp:29:21: warning: unused variable 'i' [-Wunused-variable]
                 int i = r+g+y;
                     ^

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 3 ms 628 KB Output is correct
12 Correct 2 ms 640 KB Output is correct
13 Correct 3 ms 484 KB Output is correct
14 Correct 3 ms 640 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 3 ms 640 KB Output is correct
17 Correct 3 ms 384 KB Output is correct

Subtask #2
55.0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 3 ms 628 KB Output is correct
12 Correct 2 ms 640 KB Output is correct
13 Correct 3 ms 484 KB Output is correct
14 Correct 3 ms 640 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 3 ms 640 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 5 ms 2816 KB Output is correct
19 Correct 5 ms 2176 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 4 ms 2816 KB Output is correct
22 Correct 3 ms 2048 KB Output is correct
23 Correct 4 ms 2432 KB Output is correct
24 Correct 4 ms 1792 KB Output is correct
25 Correct 5 ms 4864 KB Output is correct
26 Correct 6 ms 5120 KB Output is correct
27 Correct 5 ms 3712 KB Output is correct
28 Correct 5 ms 2816 KB Output is correct
29 Correct 5 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 4 ms 2304 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 6 ms 4736 KB Output is correct
34 Correct 5 ms 4352 KB Output is correct
35 Correct 6 ms 3200 KB Output is correct
36 Correct 4 ms 2304 KB Output is correct
37 Correct 3 ms 2048 KB Output is correct
38 Correct 5 ms 2432 KB Output is correct
39 Correct 5 ms 2688 KB Output is correct
40 Correct 3 ms 384 KB Output is correct
41 Correct 5 ms 2560 KB Output is correct

Subtask #3
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 204 ms 192804 KB Output is correct
3 Correct 161 ms 191992 KB Output is correct
4 Correct 154 ms 192932 KB Output is correct
5 Correct 165 ms 192904 KB Output is correct
6 Correct 132 ms 192852 KB Output is correct
7 Correct 135 ms 191964 KB Output is correct
8 Correct 157 ms 191996 KB Output is correct
9 Correct 153 ms 191084 KB Output is correct
10 Correct 152 ms 192900 KB Output is correct
11 Correct 148 ms 192892 KB Output is correct
12 Correct 44 ms 52476 KB Output is correct
13 Correct 89 ms 91592 KB Output is correct
14 Correct 110 ms 132088 KB Output is correct
15 Correct 158 ms 192888 KB Output is correct
16 Correct 150 ms 192860 KB Output is correct

Subtask #4
25.0 / 25.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 512 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 2 ms 640 KB Output is correct
7 Correct 3 ms 640 KB Output is correct
8 Correct 2 ms 512 KB Output is correct
9 Correct 2 ms 640 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 3 ms 628 KB Output is correct
12 Correct 2 ms 640 KB Output is correct
13 Correct 3 ms 484 KB Output is correct
14 Correct 3 ms 640 KB Output is correct
15 Correct 2 ms 512 KB Output is correct
16 Correct 3 ms 640 KB Output is correct
17 Correct 3 ms 384 KB Output is correct
18 Correct 5 ms 2816 KB Output is correct
19 Correct 5 ms 2176 KB Output is correct
20 Correct 4 ms 2688 KB Output is correct
21 Correct 4 ms 2816 KB Output is correct
22 Correct 3 ms 2048 KB Output is correct
23 Correct 4 ms 2432 KB Output is correct
24 Correct 4 ms 1792 KB Output is correct
25 Correct 5 ms 4864 KB Output is correct
26 Correct 6 ms 5120 KB Output is correct
27 Correct 5 ms 3712 KB Output is correct
28 Correct 5 ms 2816 KB Output is correct
29 Correct 5 ms 2688 KB Output is correct
30 Correct 6 ms 2688 KB Output is correct
31 Correct 4 ms 2304 KB Output is correct
32 Correct 6 ms 2816 KB Output is correct
33 Correct 6 ms 4736 KB Output is correct
34 Correct 5 ms 4352 KB Output is correct
35 Correct 6 ms 3200 KB Output is correct
36 Correct 4 ms 2304 KB Output is correct
37 Correct 3 ms 2048 KB Output is correct
38 Correct 5 ms 2432 KB Output is correct
39 Correct 5 ms 2688 KB Output is correct
40 Correct 3 ms 384 KB Output is correct
41 Correct 5 ms 2560 KB Output is correct
42 Correct 2 ms 384 KB Output is correct
43 Correct 204 ms 192804 KB Output is correct
44 Correct 161 ms 191992 KB Output is correct
45 Correct 154 ms 192932 KB Output is correct
46 Correct 165 ms 192904 KB Output is correct
47 Correct 132 ms 192852 KB Output is correct
48 Correct 135 ms 191964 KB Output is correct
49 Correct 157 ms 191996 KB Output is correct
50 Correct 153 ms 191084 KB Output is correct
51 Correct 152 ms 192900 KB Output is correct
52 Correct 148 ms 192892 KB Output is correct
53 Correct 44 ms 52476 KB Output is correct
54 Correct 89 ms 91592 KB Output is correct
55 Correct 110 ms 132088 KB Output is correct
56 Correct 158 ms 192888 KB Output is correct
57 Correct 150 ms 192860 KB Output is correct
58 Correct 341 ms 76664 KB Output is correct
59 Correct 384 ms 97136 KB Output is correct
60 Correct 368 ms 88568 KB Output is correct
61 Correct 299 ms 85368 KB Output is correct
62 Correct 159 ms 188024 KB Output is correct
63 Correct 183 ms 185336 KB Output is correct
64 Correct 207 ms 161912 KB Output is correct
65 Correct 285 ms 141012 KB Output is correct
66 Correct 310 ms 86588 KB Output is correct
67 Correct 243 ms 83200 KB Output is correct
68 Correct 235 ms 89284 KB Output is correct
69 Correct 241 ms 86008 KB Output is correct
70 Correct 334 ms 93052 KB Output is correct
71 Correct 330 ms 84728 KB Output is correct
72 Correct 129 ms 43768 KB Output is correct
73 Correct 15 ms 2944 KB Output is correct