답안 #79883 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
79883	2018-10-17T04:28:36 Z	antimirage	Dango Maker (JOI18_dango_maker)	C++17	100 / 100	854 ms	141140 KB

dango_maker

#include <bits/stdc++.h>

using namespace std;

const int N = 3005;

int n, m, ans, dp[N][3], fl[N][N][2];

char ar[N][N];

main()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
    {
        scanf("\n");
        for (int j = 1; j <= m; j++)
            scanf("%c", &ar[i][j]);
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            if (i > 1 && i < n && ar[i - 1][j] == 'R' && ar[i][j] == 'G' && ar[i + 1][j] == 'W')
                fl[i][j][0] = 1;

            if (j > 1 && j < m && ar[i][j - 1] == 'R' && ar[i][j] == 'G' && ar[i][j + 1] == 'W')
                fl[i][j][1] = 1;
        }
    }
    for (int d = 2; d <= n + m; d++)
    {
        memset(dp, 0, sizeof(dp));
        int last;
        for (int i = 1, j; i <= n; i++)
        {
            j = d - i;
            if ( j < 1 || j > m ) continue;

            dp[i][0] = max( dp[i - 1][0], max( dp[i - 1][1], dp[i - 1][2] ) );

            if (fl[i][j][0]) dp[i][1] = max( dp[i - 1][1], dp[i - 1][0] ) + 1;
            if (fl[i][j][1]) dp[i][2] = max( dp[i - 1][2], dp[i - 1][0] ) + 1;
            last = i;
        }
        ans += max( dp[last][0], max( dp[last][1], dp[last][2] ) );
    }
    cout << ans << endl;
}

Compilation message

dango_maker.cpp:11:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n");
         ~~~~~^~~~~~
dango_maker.cpp:18:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%c", &ar[i][j]);
             ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	3 ms	560 KB	Output is correct
8	Correct	2 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct
12	Correct	2 ms	608 KB	Output is correct
13	Correct	2 ms	668 KB	Output is correct
14	Correct	2 ms	668 KB	Output is correct
15	Correct	2 ms	668 KB	Output is correct
16	Correct	2 ms	668 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	3 ms	560 KB	Output is correct
8	Correct	2 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct
12	Correct	2 ms	608 KB	Output is correct
13	Correct	2 ms	668 KB	Output is correct
14	Correct	2 ms	668 KB	Output is correct
15	Correct	2 ms	668 KB	Output is correct
16	Correct	2 ms	668 KB	Output is correct
17	Correct	2 ms	668 KB	Output is correct
18	Correct	3 ms	668 KB	Output is correct
19	Correct	2 ms	668 KB	Output is correct
20	Correct	2 ms	668 KB	Output is correct
21	Correct	2 ms	884 KB	Output is correct
22	Correct	2 ms	884 KB	Output is correct
23	Correct	2 ms	884 KB	Output is correct
24	Correct	2 ms	884 KB	Output is correct
25	Correct	2 ms	884 KB	Output is correct
26	Correct	2 ms	884 KB	Output is correct
27	Correct	3 ms	884 KB	Output is correct
28	Correct	2 ms	884 KB	Output is correct
29	Correct	2 ms	884 KB	Output is correct
30	Correct	2 ms	884 KB	Output is correct
31	Correct	2 ms	884 KB	Output is correct
32	Correct	2 ms	884 KB	Output is correct
33	Correct	2 ms	884 KB	Output is correct
34	Correct	2 ms	884 KB	Output is correct
35	Correct	2 ms	884 KB	Output is correct
36	Correct	3 ms	884 KB	Output is correct
37	Correct	3 ms	884 KB	Output is correct
38	Correct	2 ms	884 KB	Output is correct
39	Correct	2 ms	884 KB	Output is correct
40	Correct	2 ms	884 KB	Output is correct
41	Correct	2 ms	884 KB	Output is correct
42	Correct	2 ms	884 KB	Output is correct
43	Correct	2 ms	884 KB	Output is correct
44	Correct	2 ms	884 KB	Output is correct
45	Correct	3 ms	952 KB	Output is correct
46	Correct	2 ms	952 KB	Output is correct
47	Correct	2 ms	952 KB	Output is correct
48	Correct	3 ms	952 KB	Output is correct
49	Correct	3 ms	952 KB	Output is correct
50	Correct	2 ms	952 KB	Output is correct
51	Correct	3 ms	952 KB	Output is correct
52	Correct	3 ms	952 KB	Output is correct
53	Correct	2 ms	952 KB	Output is correct

Subtask #3
67.0 / 67.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	560 KB	Output is correct
3	Correct	3 ms	560 KB	Output is correct
4	Correct	2 ms	560 KB	Output is correct
5	Correct	2 ms	560 KB	Output is correct
6	Correct	2 ms	560 KB	Output is correct
7	Correct	3 ms	560 KB	Output is correct
8	Correct	2 ms	560 KB	Output is correct
9	Correct	2 ms	560 KB	Output is correct
10	Correct	2 ms	560 KB	Output is correct
11	Correct	2 ms	560 KB	Output is correct
12	Correct	2 ms	608 KB	Output is correct
13	Correct	2 ms	668 KB	Output is correct
14	Correct	2 ms	668 KB	Output is correct
15	Correct	2 ms	668 KB	Output is correct
16	Correct	2 ms	668 KB	Output is correct
17	Correct	2 ms	668 KB	Output is correct
18	Correct	3 ms	668 KB	Output is correct
19	Correct	2 ms	668 KB	Output is correct
20	Correct	2 ms	668 KB	Output is correct
21	Correct	2 ms	884 KB	Output is correct
22	Correct	2 ms	884 KB	Output is correct
23	Correct	2 ms	884 KB	Output is correct
24	Correct	2 ms	884 KB	Output is correct
25	Correct	2 ms	884 KB	Output is correct
26	Correct	2 ms	884 KB	Output is correct
27	Correct	3 ms	884 KB	Output is correct
28	Correct	2 ms	884 KB	Output is correct
29	Correct	2 ms	884 KB	Output is correct
30	Correct	2 ms	884 KB	Output is correct
31	Correct	2 ms	884 KB	Output is correct
32	Correct	2 ms	884 KB	Output is correct
33	Correct	2 ms	884 KB	Output is correct
34	Correct	2 ms	884 KB	Output is correct
35	Correct	2 ms	884 KB	Output is correct
36	Correct	3 ms	884 KB	Output is correct
37	Correct	3 ms	884 KB	Output is correct
38	Correct	2 ms	884 KB	Output is correct
39	Correct	2 ms	884 KB	Output is correct
40	Correct	2 ms	884 KB	Output is correct
41	Correct	2 ms	884 KB	Output is correct
42	Correct	2 ms	884 KB	Output is correct
43	Correct	2 ms	884 KB	Output is correct
44	Correct	2 ms	884 KB	Output is correct
45	Correct	3 ms	952 KB	Output is correct
46	Correct	2 ms	952 KB	Output is correct
47	Correct	2 ms	952 KB	Output is correct
48	Correct	3 ms	952 KB	Output is correct
49	Correct	3 ms	952 KB	Output is correct
50	Correct	2 ms	952 KB	Output is correct
51	Correct	3 ms	952 KB	Output is correct
52	Correct	3 ms	952 KB	Output is correct
53	Correct	2 ms	952 KB	Output is correct
54	Correct	7 ms	952 KB	Output is correct
55	Correct	28 ms	10168 KB	Output is correct
56	Correct	7 ms	10168 KB	Output is correct
57	Correct	19 ms	13780 KB	Output is correct
58	Correct	82 ms	16616 KB	Output is correct
59	Correct	708 ms	90060 KB	Output is correct
60	Correct	854 ms	98936 KB	Output is correct
61	Correct	692 ms	107716 KB	Output is correct
62	Correct	7 ms	107716 KB	Output is correct
63	Correct	687 ms	116176 KB	Output is correct
64	Correct	606 ms	125188 KB	Output is correct
65	Correct	624 ms	133728 KB	Output is correct
66	Correct	630 ms	141140 KB	Output is correct
67	Correct	589 ms	141140 KB	Output is correct
68	Correct	587 ms	141140 KB	Output is correct
69	Correct	596 ms	141140 KB	Output is correct
70	Correct	78 ms	141140 KB	Output is correct
71	Correct	84 ms	141140 KB	Output is correct
72	Correct	73 ms	141140 KB	Output is correct
73	Correct	73 ms	141140 KB	Output is correct
74	Correct	76 ms	141140 KB	Output is correct
75	Correct	76 ms	141140 KB	Output is correct
76	Correct	78 ms	141140 KB	Output is correct
77	Correct	105 ms	141140 KB	Output is correct
78	Correct	84 ms	141140 KB	Output is correct
79	Correct	96 ms	141140 KB	Output is correct
80	Correct	75 ms	141140 KB	Output is correct
81	Correct	79 ms	141140 KB	Output is correct
82	Correct	74 ms	141140 KB	Output is correct
83	Correct	74 ms	141140 KB	Output is correct
84	Correct	73 ms	141140 KB	Output is correct
85	Correct	78 ms	141140 KB	Output is correct
86	Correct	75 ms	141140 KB	Output is correct
87	Correct	72 ms	141140 KB	Output is correct
88	Correct	73 ms	141140 KB	Output is correct
89	Correct	73 ms	141140 KB	Output is correct
90	Correct	71 ms	141140 KB	Output is correct

답안 #79883

Compilation message

Subtask #1 13.0 / 13.0

Subtask #2 20.0 / 20.0

Subtask #3 67.0 / 67.0

Subtask #1
13.0 / 13.0

Subtask #2
20.0 / 20.0

Subtask #3
67.0 / 67.0