oj.uz

답안 #771777

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
771777 2023-07-03T09:15:22 Z raysh07 Dango Maker (JOI18_dango_maker) C++17
100 / 100
 1051 ms 89744 KB 
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve()
{
	int n, m;
	cin >> n >> m;
	vector<string> g(n);
	for (auto &x : g) cin >> x;

	vector<vector<int>> can(n, vector<int>(m, 0));
	for (int i = 0; i < n; i++){
		for (int j = 0; j < m; j++){
			if (g[i][j] != 'G') continue;

			if (i != 0 && i != n - 1 && g[i - 1][j] == 'R' && g[i + 1][j] == 'W')
				can[i][j]++;
			if (j != 0 && j != m - 1 && g[i][j - 1] == 'R' && g[i][j + 1] == 'W')
				can[i][j] += 2;
		}
	}

	
	int last = 0;

	for (int s = 1; s <= n + m - 2; s++){
		vector <vector<int>> dp(m + 1, vector<int>(3, 0));
		bool first = true;
		for (int i = 0; i < min(s + 1, n); i++){
			int j = s - i;
			if (j >= m) continue;

			if (first){
				first = false;
				dp[j][0] = last;
				if (can[i][j] % 2) dp[j][1] = last + 1;
				if (can[i][j] >= 2) dp[j][2] = last + 1;
			} else {
				for (int l1 = 0; l1 <= 2; l1++){
					for (int l2 = 0; l2 <= 2; l2++){
						if (l1 != 0 && l2 != 0 && l1 != l2) continue;
						if (l2 == 0 || (can[i][j] >> (l2 - 1) & 1))
						dp[j][l2] = max(dp[j][l2], dp[j + 1][l1] + (l2 != 0));
					}
				}
			}

			last = max(dp[j][0], max(dp[j][1], dp[j][2]));
		}
	}

	cout << last << "\n";
}

int32_t main() 
{
    auto begin = std::chrono::high_resolution_clock::now();
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int t = 1;
  //  cin >> t;
    for(int i = 1; i <= t; i++) 
    {
        //cout << "Case #" << i << ": ";
        Solve();
    }
    auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
    return 0;
}

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 324 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct

Subtask #3
67.0 / 67.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 328 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 320 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 324 KB Output is correct
12 Correct 1 ms 324 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 320 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 1 ms 320 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 212 KB Output is correct
31 Correct 1 ms 212 KB Output is correct
32 Correct 1 ms 212 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 212 KB Output is correct
35 Correct 1 ms 212 KB Output is correct
36 Correct 1 ms 324 KB Output is correct
37 Correct 1 ms 212 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 212 KB Output is correct
40 Correct 1 ms 212 KB Output is correct
41 Correct 1 ms 320 KB Output is correct
42 Correct 1 ms 212 KB Output is correct
43 Correct 1 ms 212 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Correct 1 ms 212 KB Output is correct
48 Correct 0 ms 212 KB Output is correct
49 Correct 1 ms 212 KB Output is correct
50 Correct 0 ms 212 KB Output is correct
51 Correct 1 ms 212 KB Output is correct
52 Correct 1 ms 212 KB Output is correct
53 Correct 1 ms 212 KB Output is correct
54 Correct 296 ms 516 KB Output is correct
55 Correct 4 ms 468 KB Output is correct
56 Correct 306 ms 828 KB Output is correct
57 Correct 3 ms 596 KB Output is correct
58 Correct 116 ms 10276 KB Output is correct
59 Correct 991 ms 89524 KB Output is correct
60 Correct 1024 ms 89636 KB Output is correct
61 Correct 1051 ms 89744 KB Output is correct
62 Correct 257 ms 532 KB Output is correct
63 Correct 901 ms 86644 KB Output is correct
64 Correct 961 ms 89640 KB Output is correct
65 Correct 959 ms 89640 KB Output is correct
66 Correct 927 ms 89640 KB Output is correct
67 Correct 909 ms 89640 KB Output is correct
68 Correct 945 ms 89636 KB Output is correct
69 Correct 1041 ms 89640 KB Output is correct
70 Correct 112 ms 10296 KB Output is correct
71 Correct 108 ms 10300 KB Output is correct
72 Correct 109 ms 10236 KB Output is correct
73 Correct 104 ms 10304 KB Output is correct
74 Correct 109 ms 10296 KB Output is correct
75 Correct 104 ms 10296 KB Output is correct
76 Correct 92 ms 10296 KB Output is correct
77 Correct 100 ms 10292 KB Output is correct
78 Correct 96 ms 10300 KB Output is correct
79 Correct 103 ms 10296 KB Output is correct
80 Correct 97 ms 10312 KB Output is correct
81 Correct 96 ms 10296 KB Output is correct
82 Correct 89 ms 10300 KB Output is correct
83 Correct 106 ms 10300 KB Output is correct
84 Correct 120 ms 10300 KB Output is correct
85 Correct 123 ms 10196 KB Output is correct
86 Correct 90 ms 10296 KB Output is correct
87 Correct 95 ms 10296 KB Output is correct
88 Correct 130 ms 10296 KB Output is correct
89 Correct 102 ms 10304 KB Output is correct
90 Correct 108 ms 10312 KB Output is correct