#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 3000;
int N, M;
char A[MAXN+10][MAXN+10];
int dp[MAXN+10][3], ans;
int main()
{
int i, j;
scanf("%d%d", &N, &M);
for(i=1; i<=N; i++) scanf("%s", A[i]+1);
for(i=2; i<=N+M; i++)
{
int s=max(1, i-N), e=min(M, i-1);
memset(dp, 0, sizeof(dp));
for(j=s; j<=e; j++)
{
int x=j, y=i-j;
dp[x][0]=max(dp[x-1][0], max(dp[x-1][1], dp[x-1][2]));
if(A[y-1][x]=='R' && A[y][x]=='G' && A[y+1][x]=='W') dp[x][1]=max(dp[x-1][0], dp[x-1][1])+1;
if(A[y][x-1]=='R' && A[y][x]=='G' && A[y][x+1]=='W') dp[x][2]=max(dp[x-1][0], dp[x-1][2])+1;
}
ans+=max(dp[e][0], max(dp[e][1], dp[e][2]));
}
printf("%d", ans);
}
Compilation message
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
18 | scanf("%d%d", &N, &M);
| ~~~~~^~~~~~~~~~~~~~~~
dango_maker.cpp:19:30: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | for(i=1; i<=N; i++) scanf("%s", A[i]+1);
| ~~~~~^~~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
300 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
0 ms |
340 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
308 KB |
Output is correct |
27 |
Correct |
1 ms |
308 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
304 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
0 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
0 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
0 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
0 ms |
304 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
1 ms |
304 KB |
Output is correct |
51 |
Correct |
1 ms |
308 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
304 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
300 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
0 ms |
340 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
308 KB |
Output is correct |
27 |
Correct |
1 ms |
308 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
304 KB |
Output is correct |
34 |
Correct |
1 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 KB |
Output is correct |
36 |
Correct |
0 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
0 ms |
340 KB |
Output is correct |
39 |
Correct |
1 ms |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
0 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
340 KB |
Output is correct |
44 |
Correct |
1 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
0 ms |
304 KB |
Output is correct |
47 |
Correct |
1 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
340 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
1 ms |
304 KB |
Output is correct |
51 |
Correct |
1 ms |
308 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
2 ms |
340 KB |
Output is correct |
55 |
Correct |
5 ms |
9144 KB |
Output is correct |
56 |
Correct |
2 ms |
340 KB |
Output is correct |
57 |
Correct |
3 ms |
6228 KB |
Output is correct |
58 |
Correct |
12 ms |
4204 KB |
Output is correct |
59 |
Correct |
129 ms |
15424 KB |
Output is correct |
60 |
Correct |
99 ms |
15424 KB |
Output is correct |
61 |
Correct |
112 ms |
15436 KB |
Output is correct |
62 |
Correct |
2 ms |
340 KB |
Output is correct |
63 |
Correct |
95 ms |
15308 KB |
Output is correct |
64 |
Correct |
73 ms |
15424 KB |
Output is correct |
65 |
Correct |
71 ms |
15432 KB |
Output is correct |
66 |
Correct |
71 ms |
15424 KB |
Output is correct |
67 |
Correct |
82 ms |
15428 KB |
Output is correct |
68 |
Correct |
71 ms |
15376 KB |
Output is correct |
69 |
Correct |
74 ms |
15424 KB |
Output is correct |
70 |
Correct |
9 ms |
4204 KB |
Output is correct |
71 |
Correct |
10 ms |
4204 KB |
Output is correct |
72 |
Correct |
9 ms |
4204 KB |
Output is correct |
73 |
Correct |
9 ms |
4268 KB |
Output is correct |
74 |
Correct |
10 ms |
4224 KB |
Output is correct |
75 |
Correct |
10 ms |
4208 KB |
Output is correct |
76 |
Correct |
10 ms |
4184 KB |
Output is correct |
77 |
Correct |
9 ms |
4188 KB |
Output is correct |
78 |
Correct |
10 ms |
4180 KB |
Output is correct |
79 |
Correct |
9 ms |
4200 KB |
Output is correct |
80 |
Correct |
10 ms |
4268 KB |
Output is correct |
81 |
Correct |
11 ms |
4188 KB |
Output is correct |
82 |
Correct |
11 ms |
4204 KB |
Output is correct |
83 |
Correct |
11 ms |
4204 KB |
Output is correct |
84 |
Correct |
10 ms |
4192 KB |
Output is correct |
85 |
Correct |
9 ms |
4168 KB |
Output is correct |
86 |
Correct |
10 ms |
4200 KB |
Output is correct |
87 |
Correct |
9 ms |
4188 KB |
Output is correct |
88 |
Correct |
10 ms |
4268 KB |
Output is correct |
89 |
Correct |
9 ms |
4208 KB |
Output is correct |
90 |
Correct |
9 ms |
4156 KB |
Output is correct |