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답안 #141691

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
141691 2019-08-08T22:09:05 Z osaaateiasavtnl Dango Maker (JOI18_dango_maker) C++14
100 / 100
 284 ms 18168 KB 
#include<bits/stdc++.h>
using namespace std;
#define int long long 
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
const int N = 3001; char a[N][N];
int dp[N << 1][3];
signed main() {
    #ifdef HOME
    freopen("input.txt", "r", stdin);
    #else
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    int n, m; cin >> n >> m; 
    for (int i = 0; i < n; ++i) for (int j = 0; j < m; ++j) cin >> a[i][j];
    int ans = 0;
    for (int sum = 0; sum < 2 * N; ++sum) {
        for (int i = 0; i < N; ++i) for (int j = 0; j < 3; ++j) dp[i][j] = -N;
        int tmp = max(0ll, sum - m + 1);
        dp[tmp][0] = 0; int r = tmp;
        for (int i = tmp; i <= sum && i < n; ++i) {
            int j = sum - i;
            int t = -N; for (int k = 0; k < 3; ++k) dp[i + 1][0] = max(dp[i + 1][0], dp[i][k]);
            if (a[i][j] == 'G' && i && a[i - 1][j] == 'R' && a[i + 1][j] == 'W') dp[i + 1][1] = max(dp[i][0], dp[i][1]) + 1;
            if (a[i][j] == 'G' && j && a[i][j - 1] == 'R' && a[i][j + 1] == 'W') dp[i + 1][2] = max(dp[i][0], dp[i][2]) + 1;
            r = i + 1;
        }
        int add = 0;
        for (int i = 0; i < 3; ++i) add = max(add, dp[r][i]);
        ans += add;
    }
    cout << ans << '\n';
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:24:17: warning: unused variable 't' [-Wunused-variable]
             int t = -N; for (int k = 0; k < 3; ++k) dp[i + 1][0] = max(dp[i + 1][0], dp[i][k]);
                 ^

Subtask #1
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 552 KB Output is correct
2 Correct 29 ms 504 KB Output is correct
3 Correct 29 ms 516 KB Output is correct
4 Correct 29 ms 504 KB Output is correct
5 Correct 29 ms 504 KB Output is correct
6 Correct 29 ms 504 KB Output is correct
7 Correct 29 ms 504 KB Output is correct
8 Correct 30 ms 504 KB Output is correct
9 Correct 29 ms 504 KB Output is correct
10 Correct 29 ms 504 KB Output is correct
11 Correct 29 ms 504 KB Output is correct
12 Correct 29 ms 568 KB Output is correct
13 Correct 29 ms 536 KB Output is correct
14 Correct 29 ms 504 KB Output is correct
15 Correct 29 ms 504 KB Output is correct
16 Correct 30 ms 504 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 552 KB Output is correct
2 Correct 29 ms 504 KB Output is correct
3 Correct 29 ms 516 KB Output is correct
4 Correct 29 ms 504 KB Output is correct
5 Correct 29 ms 504 KB Output is correct
6 Correct 29 ms 504 KB Output is correct
7 Correct 29 ms 504 KB Output is correct
8 Correct 30 ms 504 KB Output is correct
9 Correct 29 ms 504 KB Output is correct
10 Correct 29 ms 504 KB Output is correct
11 Correct 29 ms 504 KB Output is correct
12 Correct 29 ms 568 KB Output is correct
13 Correct 29 ms 536 KB Output is correct
14 Correct 29 ms 504 KB Output is correct
15 Correct 29 ms 504 KB Output is correct
16 Correct 30 ms 504 KB Output is correct
17 Correct 29 ms 504 KB Output is correct
18 Correct 29 ms 504 KB Output is correct
19 Correct 29 ms 504 KB Output is correct
20 Correct 29 ms 504 KB Output is correct
21 Correct 29 ms 504 KB Output is correct
22 Correct 29 ms 504 KB Output is correct
23 Correct 30 ms 632 KB Output is correct
24 Correct 30 ms 512 KB Output is correct
25 Correct 31 ms 504 KB Output is correct
26 Correct 30 ms 504 KB Output is correct
27 Correct 29 ms 504 KB Output is correct
28 Correct 29 ms 504 KB Output is correct
29 Correct 29 ms 504 KB Output is correct
30 Correct 29 ms 508 KB Output is correct
31 Correct 29 ms 504 KB Output is correct
32 Correct 29 ms 504 KB Output is correct
33 Correct 29 ms 504 KB Output is correct
34 Correct 29 ms 508 KB Output is correct
35 Correct 29 ms 508 KB Output is correct
36 Correct 29 ms 508 KB Output is correct
37 Correct 29 ms 504 KB Output is correct
38 Correct 29 ms 504 KB Output is correct
39 Correct 29 ms 504 KB Output is correct
40 Correct 29 ms 504 KB Output is correct
41 Correct 29 ms 508 KB Output is correct
42 Correct 30 ms 504 KB Output is correct
43 Correct 30 ms 504 KB Output is correct
44 Correct 29 ms 504 KB Output is correct
45 Correct 29 ms 504 KB Output is correct
46 Correct 29 ms 504 KB Output is correct
47 Correct 30 ms 536 KB Output is correct
48 Correct 31 ms 760 KB Output is correct
49 Correct 29 ms 504 KB Output is correct
50 Correct 30 ms 504 KB Output is correct
51 Correct 29 ms 504 KB Output is correct
52 Correct 29 ms 504 KB Output is correct
53 Correct 29 ms 504 KB Output is correct

Subtask #3
67.0 / 67.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 552 KB Output is correct
2 Correct 29 ms 504 KB Output is correct
3 Correct 29 ms 516 KB Output is correct
4 Correct 29 ms 504 KB Output is correct
5 Correct 29 ms 504 KB Output is correct
6 Correct 29 ms 504 KB Output is correct
7 Correct 29 ms 504 KB Output is correct
8 Correct 30 ms 504 KB Output is correct
9 Correct 29 ms 504 KB Output is correct
10 Correct 29 ms 504 KB Output is correct
11 Correct 29 ms 504 KB Output is correct
12 Correct 29 ms 568 KB Output is correct
13 Correct 29 ms 536 KB Output is correct
14 Correct 29 ms 504 KB Output is correct
15 Correct 29 ms 504 KB Output is correct
16 Correct 30 ms 504 KB Output is correct
17 Correct 29 ms 504 KB Output is correct
18 Correct 29 ms 504 KB Output is correct
19 Correct 29 ms 504 KB Output is correct
20 Correct 29 ms 504 KB Output is correct
21 Correct 29 ms 504 KB Output is correct
22 Correct 29 ms 504 KB Output is correct
23 Correct 30 ms 632 KB Output is correct
24 Correct 30 ms 512 KB Output is correct
25 Correct 31 ms 504 KB Output is correct
26 Correct 30 ms 504 KB Output is correct
27 Correct 29 ms 504 KB Output is correct
28 Correct 29 ms 504 KB Output is correct
29 Correct 29 ms 504 KB Output is correct
30 Correct 29 ms 508 KB Output is correct
31 Correct 29 ms 504 KB Output is correct
32 Correct 29 ms 504 KB Output is correct
33 Correct 29 ms 504 KB Output is correct
34 Correct 29 ms 508 KB Output is correct
35 Correct 29 ms 508 KB Output is correct
36 Correct 29 ms 508 KB Output is correct
37 Correct 29 ms 504 KB Output is correct
38 Correct 29 ms 504 KB Output is correct
39 Correct 29 ms 504 KB Output is correct
40 Correct 29 ms 504 KB Output is correct
41 Correct 29 ms 508 KB Output is correct
42 Correct 30 ms 504 KB Output is correct
43 Correct 30 ms 504 KB Output is correct
44 Correct 29 ms 504 KB Output is correct
45 Correct 29 ms 504 KB Output is correct
46 Correct 29 ms 504 KB Output is correct
47 Correct 30 ms 536 KB Output is correct
48 Correct 31 ms 760 KB Output is correct
49 Correct 29 ms 504 KB Output is correct
50 Correct 30 ms 504 KB Output is correct
51 Correct 29 ms 504 KB Output is correct
52 Correct 29 ms 504 KB Output is correct
53 Correct 29 ms 504 KB Output is correct
54 Correct 29 ms 504 KB Output is correct
55 Correct 36 ms 9332 KB Output is correct
56 Correct 30 ms 504 KB Output is correct
57 Correct 35 ms 6392 KB Output is correct
58 Correct 60 ms 4344 KB Output is correct
59 Correct 284 ms 18064 KB Output is correct
60 Correct 283 ms 18040 KB Output is correct
61 Correct 284 ms 18160 KB Output is correct
62 Correct 29 ms 376 KB Output is correct
63 Correct 276 ms 17768 KB Output is correct
64 Correct 222 ms 18040 KB Output is correct
65 Correct 224 ms 18064 KB Output is correct
66 Correct 225 ms 17992 KB Output is correct
67 Correct 260 ms 18040 KB Output is correct
68 Correct 228 ms 18076 KB Output is correct
69 Correct 231 ms 18168 KB Output is correct
70 Correct 51 ms 4404 KB Output is correct
71 Correct 51 ms 4344 KB Output is correct
72 Correct 50 ms 4472 KB Output is correct
73 Correct 51 ms 4472 KB Output is correct
74 Correct 51 ms 4348 KB Output is correct
75 Correct 50 ms 4344 KB Output is correct
76 Correct 53 ms 4508 KB Output is correct
77 Correct 51 ms 4344 KB Output is correct
78 Correct 52 ms 4416 KB Output is correct
79 Correct 52 ms 4344 KB Output is correct
80 Correct 50 ms 4344 KB Output is correct
81 Correct 50 ms 4344 KB Output is correct
82 Correct 51 ms 4472 KB Output is correct
83 Correct 51 ms 4344 KB Output is correct
84 Correct 51 ms 4472 KB Output is correct
85 Correct 50 ms 4344 KB Output is correct
86 Correct 50 ms 4344 KB Output is correct
87 Correct 50 ms 4344 KB Output is correct
88 Correct 53 ms 4344 KB Output is correct
89 Correct 50 ms 4472 KB Output is correct
90 Correct 50 ms 4440 KB Output is correct