#include <bits/stdc++.h>
using namespace std;
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int n, m; cin >> n >>m;
vector<string> a(n);
for(int i=0; i<n; i++)
cin>>a[i];
vector<vector<int>> in(n + m);
for(int i=0; i<n; i++)
for(int j=0; j<m; j++)
in[i + j].push_back(i);
auto can = [&](int i, int j){
return (0 < j && j+1 < m && a[i][j-1] == 'R' && a[i][j] == 'G' && a[i][j+1] == 'W');
};
auto can_ = [&](int i, int j){
return (0 < i && i+1 < n && a[i-1][j] == 'R' && a[i][j] == 'G' && a[i+1][j] == 'W');
};
int res = 0;
for(int s=0; s<n+m; s++){
int k = in[s].size();
vector<vector<int>> dp(k+1, vector<int>(3));
for(int l=1; l<=k; l++){
int i = in[s][l-1], j = s - i;
dp[l][0] = max({dp[l-1][0], dp[l-1][1], dp[l-1][2]});
if(can(i, j)) dp[l][1] = max(dp[l-1][0], dp[l-1][1]) + 1;
if(can_(i, j)) dp[l][2] = max(dp[l-1][0], dp[l-1][2]) + 1;
}
res += max({dp[k][0], dp[k][1], dp[k][2]});
}
cout << res << "\n";
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
320 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
316 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
320 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
316 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
320 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
320 KB |
Output is correct |
| 35 |
Correct |
0 ms |
320 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
1 ms |
320 KB |
Output is correct |
| 38 |
Correct |
1 ms |
212 KB |
Output is correct |
| 39 |
Correct |
1 ms |
212 KB |
Output is correct |
| 40 |
Correct |
0 ms |
212 KB |
Output is correct |
| 41 |
Correct |
0 ms |
212 KB |
Output is correct |
| 42 |
Correct |
0 ms |
212 KB |
Output is correct |
| 43 |
Correct |
1 ms |
212 KB |
Output is correct |
| 44 |
Correct |
1 ms |
316 KB |
Output is correct |
| 45 |
Correct |
1 ms |
320 KB |
Output is correct |
| 46 |
Correct |
1 ms |
212 KB |
Output is correct |
| 47 |
Correct |
0 ms |
212 KB |
Output is correct |
| 48 |
Correct |
0 ms |
212 KB |
Output is correct |
| 49 |
Correct |
0 ms |
212 KB |
Output is correct |
| 50 |
Correct |
1 ms |
212 KB |
Output is correct |
| 51 |
Correct |
0 ms |
320 KB |
Output is correct |
| 52 |
Correct |
1 ms |
212 KB |
Output is correct |
| 53 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
316 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
320 KB |
Output is correct |
| 7 |
Correct |
0 ms |
320 KB |
Output is correct |
| 8 |
Correct |
0 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
0 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
316 KB |
Output is correct |
| 17 |
Correct |
0 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
212 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
1 ms |
212 KB |
Output is correct |
| 22 |
Correct |
1 ms |
212 KB |
Output is correct |
| 23 |
Correct |
1 ms |
212 KB |
Output is correct |
| 24 |
Correct |
1 ms |
212 KB |
Output is correct |
| 25 |
Correct |
1 ms |
212 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
0 ms |
212 KB |
Output is correct |
| 28 |
Correct |
1 ms |
320 KB |
Output is correct |
| 29 |
Correct |
0 ms |
212 KB |
Output is correct |
| 30 |
Correct |
0 ms |
212 KB |
Output is correct |
| 31 |
Correct |
1 ms |
212 KB |
Output is correct |
| 32 |
Correct |
0 ms |
212 KB |
Output is correct |
| 33 |
Correct |
1 ms |
212 KB |
Output is correct |
| 34 |
Correct |
0 ms |
320 KB |
Output is correct |
| 35 |
Correct |
0 ms |
320 KB |
Output is correct |
| 36 |
Correct |
0 ms |
212 KB |
Output is correct |
| 37 |
Correct |
1 ms |
320 KB |
Output is correct |
| 38 |
Correct |
1 ms |
212 KB |
Output is correct |
| 39 |
Correct |
1 ms |
212 KB |
Output is correct |
| 40 |
Correct |
0 ms |
212 KB |
Output is correct |
| 41 |
Correct |
0 ms |
212 KB |
Output is correct |
| 42 |
Correct |
0 ms |
212 KB |
Output is correct |
| 43 |
Correct |
1 ms |
212 KB |
Output is correct |
| 44 |
Correct |
1 ms |
316 KB |
Output is correct |
| 45 |
Correct |
1 ms |
320 KB |
Output is correct |
| 46 |
Correct |
1 ms |
212 KB |
Output is correct |
| 47 |
Correct |
0 ms |
212 KB |
Output is correct |
| 48 |
Correct |
0 ms |
212 KB |
Output is correct |
| 49 |
Correct |
0 ms |
212 KB |
Output is correct |
| 50 |
Correct |
1 ms |
212 KB |
Output is correct |
| 51 |
Correct |
0 ms |
320 KB |
Output is correct |
| 52 |
Correct |
1 ms |
212 KB |
Output is correct |
| 53 |
Correct |
1 ms |
212 KB |
Output is correct |
| 54 |
Correct |
1 ms |
468 KB |
Output is correct |
| 55 |
Correct |
1 ms |
468 KB |
Output is correct |
| 56 |
Correct |
2 ms |
468 KB |
Output is correct |
| 57 |
Correct |
2 ms |
468 KB |
Output is correct |
| 58 |
Correct |
62 ms |
7804 KB |
Output is correct |
| 59 |
Correct |
612 ms |
68716 KB |
Output is correct |
| 60 |
Correct |
612 ms |
68728 KB |
Output is correct |
| 61 |
Correct |
604 ms |
68792 KB |
Output is correct |
| 62 |
Correct |
1 ms |
468 KB |
Output is correct |
| 63 |
Correct |
587 ms |
66580 KB |
Output is correct |
| 64 |
Correct |
530 ms |
68720 KB |
Output is correct |
| 65 |
Correct |
536 ms |
68724 KB |
Output is correct |
| 66 |
Correct |
540 ms |
68736 KB |
Output is correct |
| 67 |
Correct |
528 ms |
68744 KB |
Output is correct |
| 68 |
Correct |
545 ms |
68796 KB |
Output is correct |
| 69 |
Correct |
537 ms |
68728 KB |
Output is correct |
| 70 |
Correct |
54 ms |
7768 KB |
Output is correct |
| 71 |
Correct |
55 ms |
7800 KB |
Output is correct |
| 72 |
Correct |
56 ms |
7776 KB |
Output is correct |
| 73 |
Correct |
57 ms |
7780 KB |
Output is correct |
| 74 |
Correct |
55 ms |
7804 KB |
Output is correct |
| 75 |
Correct |
56 ms |
7756 KB |
Output is correct |
| 76 |
Correct |
55 ms |
7804 KB |
Output is correct |
| 77 |
Correct |
63 ms |
7808 KB |
Output is correct |
| 78 |
Correct |
55 ms |
7784 KB |
Output is correct |
| 79 |
Correct |
56 ms |
7764 KB |
Output is correct |
| 80 |
Correct |
55 ms |
7772 KB |
Output is correct |
| 81 |
Correct |
55 ms |
7760 KB |
Output is correct |
| 82 |
Correct |
56 ms |
7772 KB |
Output is correct |
| 83 |
Correct |
55 ms |
7804 KB |
Output is correct |
| 84 |
Correct |
60 ms |
7764 KB |
Output is correct |
| 85 |
Correct |
55 ms |
7756 KB |
Output is correct |
| 86 |
Correct |
55 ms |
7764 KB |
Output is correct |
| 87 |
Correct |
54 ms |
7812 KB |
Output is correct |
| 88 |
Correct |
55 ms |
7764 KB |
Output is correct |
| 89 |
Correct |
56 ms |
7804 KB |
Output is correct |
| 90 |
Correct |
63 ms |
7800 KB |
Output is correct |
