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Submission #211066

# Submission time Handle Problem Language Result Execution time Memory
211066 2020-03-19T06:58:39 Z DodgeBallMan Dango Maker (JOI18_dango_maker) C++14
100 / 100
 335 ms 88952 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 3e3 + 10;
int n, m, cnt[N][N][2], ans;
char s[N][N];

int main()
{
    scanf("%d %d",&n,&m);
    for( int i = 1 ; i <= n ; i++ ) {
        scanf("%s",&s[i][1]);
    }
    for( int i = 1 ; i <= n ; i++ ) {
        for( int j = 1 ; j <= m ; j++ ) {
            if( s[i][j-1] == 'R' && s[i][j] == 'G' && s[i][j+1] == 'W' ) cnt[i][j][0] = 1;
            if( s[i-1][j] == 'R' && s[i][j] == 'G' && s[i+1][j] == 'W' ) cnt[i][j][1] = 1;
        }
    }
    for( int now = 2 ; now <= n + m ; now++ ) {
        int dp[N][3], lst;
        fill_n( dp[0], N*3, 0 );
        for( int i = 1, j = now-i ; i <= n ; i++, j-- ) {
            if( j < 1 || j > m ) continue ;
            dp[i][0] = max({ dp[i-1][0], dp[i-1][1], dp[i-1][2] });
            if( cnt[i][j][0] ) dp[i][1] = max( dp[i-1][0], dp[i-1][1] ) + 1;
            if( cnt[i][j][1] ) dp[i][2] = max( dp[i-1][0], dp[i-1][2] ) + 1;
            lst = i;
        }
        ans += max({ dp[lst][0], dp[lst][1], dp[lst][2] });
    }
    printf("%d",ans);
    return 0;
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
dango_maker.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",&s[i][1]);
         ~~~~~^~~~~~~~~~~~~~~
dango_maker.cpp:31:55: warning: 'lst' may be used uninitialized in this function [-Wmaybe-uninitialized]
         ans += max({ dp[lst][0], dp[lst][1], dp[lst][2] });
                                              ~~~~~~~~~^

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 512 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 580 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 512 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 6 ms 384 KB Output is correct
52 Correct 5 ms 512 KB Output is correct
53 Correct 5 ms 384 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 4 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 512 KB Output is correct
22 Correct 5 ms 512 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 512 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 5 ms 384 KB Output is correct
33 Correct 5 ms 512 KB Output is correct
34 Correct 5 ms 384 KB Output is correct
35 Correct 5 ms 384 KB Output is correct
36 Correct 5 ms 512 KB Output is correct
37 Correct 5 ms 512 KB Output is correct
38 Correct 5 ms 512 KB Output is correct
39 Correct 5 ms 384 KB Output is correct
40 Correct 5 ms 512 KB Output is correct
41 Correct 5 ms 512 KB Output is correct
42 Correct 5 ms 384 KB Output is correct
43 Correct 5 ms 384 KB Output is correct
44 Correct 5 ms 580 KB Output is correct
45 Correct 5 ms 384 KB Output is correct
46 Correct 5 ms 512 KB Output is correct
47 Correct 5 ms 512 KB Output is correct
48 Correct 5 ms 512 KB Output is correct
49 Correct 5 ms 512 KB Output is correct
50 Correct 5 ms 384 KB Output is correct
51 Correct 6 ms 384 KB Output is correct
52 Correct 5 ms 512 KB Output is correct
53 Correct 5 ms 384 KB Output is correct
54 Correct 20 ms 384 KB Output is correct
55 Correct 37 ms 9728 KB Output is correct
56 Correct 20 ms 512 KB Output is correct
57 Correct 30 ms 13312 KB Output is correct
58 Correct 41 ms 15992 KB Output is correct
59 Correct 327 ms 88760 KB Output is correct
60 Correct 323 ms 88952 KB Output is correct
61 Correct 335 ms 88696 KB Output is correct
62 Correct 16 ms 384 KB Output is correct
63 Correct 317 ms 88440 KB Output is correct
64 Correct 227 ms 88696 KB Output is correct
65 Correct 228 ms 88696 KB Output is correct
66 Correct 230 ms 88756 KB Output is correct
67 Correct 196 ms 45560 KB Output is correct
68 Correct 190 ms 45688 KB Output is correct
69 Correct 206 ms 52472 KB Output is correct
70 Correct 30 ms 16128 KB Output is correct
71 Correct 31 ms 16128 KB Output is correct
72 Correct 33 ms 16120 KB Output is correct
73 Correct 31 ms 16128 KB Output is correct
74 Correct 30 ms 16128 KB Output is correct
75 Correct 30 ms 16128 KB Output is correct
76 Correct 30 ms 16128 KB Output is correct
77 Correct 31 ms 16128 KB Output is correct
78 Correct 30 ms 16128 KB Output is correct
79 Correct 30 ms 16128 KB Output is correct
80 Correct 31 ms 16128 KB Output is correct
81 Correct 31 ms 16180 KB Output is correct
82 Correct 29 ms 16128 KB Output is correct
83 Correct 30 ms 16128 KB Output is correct
84 Correct 32 ms 16120 KB Output is correct
85 Correct 30 ms 16128 KB Output is correct
86 Correct 30 ms 16128 KB Output is correct
87 Correct 30 ms 16128 KB Output is correct
88 Correct 33 ms 16128 KB Output is correct
89 Correct 30 ms 16128 KB Output is correct
90 Correct 33 ms 16248 KB Output is correct