#include <bits/stdc++.h>
#pragma GCC target("avx2")
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
using namespace std;
#define ii pair<int , int>
#define iv pair<ii , ii>
#define iii pair<int , ii>
#define fi first
#define se second
#define int long long
const int inf = 1e18 + 7;
const int MAX_N = 3e3 + 7;
const int MOD = 1e9 + 7;
// f[i][0] : khong co thang cuoi cung
// f[i][1] : thang cuoi cung duoc su dung la nam hang ngang
// f[i][2] : thang cuoi cung duoc su dung la nam` hang cot
int f[MAX_N][3];
char a[MAX_N][MAX_N];
int n , m;
bool c(int x , int y , char d) {
return (0 <= x && x < n && 0 <= y && y < m && a[x][y] == d);
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(NULL); cout.tie(NULL);
cin >> n >> m;
for (int i = 0 ; i < n ; i++) {
for (int j = 0 ; j < m ; j++) {
cin >> a[i][j];
//cout << a[i][j] << " ";
}
}
int ans = 0;
for(int i=0; i<=n+m-4; ++i) {
int jm=min(m, i+2);
for(int j=0; j<jm; ++j) {
f[j+1][0]=max(f[j][0], max(f[j][1], f[j][2]));
f[j+1][1]=c(i+1-j, j-1, 'R')&&c(i+1-j, j, 'G')&&c(i+1-j, j+1, 'W')?max(f[j][0], f[j][1])+1:0;
f[j+1][2]=c(i-j, j, 'R')&&c(i+1-j, j, 'G')&&c(i+2-j, j, 'W')?max(f[j][0], f[j][2])+1:0;
}
ans+=max(f[jm][0], max(f[jm][1], f[jm][2]));
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
328 KB |
Output is correct |
10 |
Correct |
0 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 |
328 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
328 KB |
Output is correct |
10 |
Correct |
0 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 |
328 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
340 KB |
Output is correct |
26 |
Correct |
0 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
0 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
0 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 |
0 ms |
324 KB |
Output is correct |
34 |
Correct |
0 ms |
340 KB |
Output is correct |
35 |
Correct |
0 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 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 |
328 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
0 ms |
328 KB |
Output is correct |
44 |
Correct |
0 ms |
340 KB |
Output is correct |
45 |
Correct |
0 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
0 ms |
340 KB |
Output is correct |
48 |
Correct |
0 ms |
340 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
0 ms |
340 KB |
Output is correct |
51 |
Correct |
0 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
0 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
0 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
332 KB |
Output is correct |
9 |
Correct |
0 ms |
328 KB |
Output is correct |
10 |
Correct |
0 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 |
328 KB |
Output is correct |
14 |
Correct |
0 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
328 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
340 KB |
Output is correct |
26 |
Correct |
0 ms |
328 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
0 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
0 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 |
0 ms |
324 KB |
Output is correct |
34 |
Correct |
0 ms |
340 KB |
Output is correct |
35 |
Correct |
0 ms |
340 KB |
Output is correct |
36 |
Correct |
1 ms |
340 KB |
Output is correct |
37 |
Correct |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 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 |
328 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
0 ms |
328 KB |
Output is correct |
44 |
Correct |
0 ms |
340 KB |
Output is correct |
45 |
Correct |
0 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 KB |
Output is correct |
47 |
Correct |
0 ms |
340 KB |
Output is correct |
48 |
Correct |
0 ms |
340 KB |
Output is correct |
49 |
Correct |
1 ms |
340 KB |
Output is correct |
50 |
Correct |
0 ms |
340 KB |
Output is correct |
51 |
Correct |
0 ms |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
24 ms |
340 KB |
Output is correct |
55 |
Correct |
4 ms |
9044 KB |
Output is correct |
56 |
Correct |
29 ms |
412 KB |
Output is correct |
57 |
Correct |
4 ms |
6228 KB |
Output is correct |
58 |
Correct |
33 ms |
4200 KB |
Output is correct |
59 |
Correct |
294 ms |
18024 KB |
Output is correct |
60 |
Correct |
287 ms |
17952 KB |
Output is correct |
61 |
Correct |
311 ms |
18020 KB |
Output is correct |
62 |
Correct |
22 ms |
400 KB |
Output is correct |
63 |
Correct |
274 ms |
17664 KB |
Output is correct |
64 |
Correct |
232 ms |
18020 KB |
Output is correct |
65 |
Correct |
277 ms |
17996 KB |
Output is correct |
66 |
Correct |
218 ms |
18144 KB |
Output is correct |
67 |
Correct |
253 ms |
17960 KB |
Output is correct |
68 |
Correct |
221 ms |
17976 KB |
Output is correct |
69 |
Correct |
263 ms |
17936 KB |
Output is correct |
70 |
Correct |
24 ms |
4236 KB |
Output is correct |
71 |
Correct |
24 ms |
4172 KB |
Output is correct |
72 |
Correct |
24 ms |
4212 KB |
Output is correct |
73 |
Correct |
24 ms |
4208 KB |
Output is correct |
74 |
Correct |
32 ms |
4172 KB |
Output is correct |
75 |
Correct |
30 ms |
4208 KB |
Output is correct |
76 |
Correct |
27 ms |
4208 KB |
Output is correct |
77 |
Correct |
24 ms |
4204 KB |
Output is correct |
78 |
Correct |
24 ms |
4300 KB |
Output is correct |
79 |
Correct |
23 ms |
4192 KB |
Output is correct |
80 |
Correct |
24 ms |
4164 KB |
Output is correct |
81 |
Correct |
25 ms |
4260 KB |
Output is correct |
82 |
Correct |
23 ms |
4184 KB |
Output is correct |
83 |
Correct |
31 ms |
4204 KB |
Output is correct |
84 |
Correct |
27 ms |
4184 KB |
Output is correct |
85 |
Correct |
31 ms |
4192 KB |
Output is correct |
86 |
Correct |
24 ms |
4308 KB |
Output is correct |
87 |
Correct |
23 ms |
4180 KB |
Output is correct |
88 |
Correct |
24 ms |
4260 KB |
Output is correct |
89 |
Correct |
25 ms |
4220 KB |
Output is correct |
90 |
Correct |
25 ms |
4244 KB |
Output is correct |