#include <cstdio>
#include <stdio.h>
#include <stdbool.h>
#include <iostream>
#include <map>
#include <vector>
#include <climits>
#include <stack>
#include <string>
#include <queue>
#include <algorithm>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <cmath>
#include <cctype>
#include <bitset>
#include <iomanip>
#include <cstring>
#include <numeric>
#include <cassert>
#include <random>
#include <chrono>
#include <fstream>
using namespace std;
#define int long long
#define pii pair<int, int>
#define mp make_pair
#define pb push_back
#define fi first
#define se second
int32_t main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n, m, ans=0;
cin>>n>>m;
vector<string> vect(n);
for (int i=0; i<n; ++i)cin>>vect[i];
for (int d=0; d<n+m; ++d){
vector<vector<int> > dp(m, vector<int>(2, 0));
int res=0;
for (int i=0; i<m; ++i)if (i<=d&&d<n+i){
dp[i][0]=max((i?dp[i-1][0]:0), (i>=3?dp[i-3][1]:0))+(i>=2&&vect[d-i][i]=='W'&&vect[d-i][i-1]=='G'&&vect[d-i][i-2]=='R');
dp[i][1]=max((i?max(dp[i-1][0], dp[i-1][1]):0), (i>=3?dp[i-3][0]:0))+(d-i+2<n&&vect[d-i][i]=='R'&&vect[d-i+1][i]=='G'&&vect[d-i+2][i]=='W');
res=max({res, dp[i][0], dp[i][1]});
}
ans+=res;
}
cout<<ans;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |