codeforce - little pigs and wolves

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define fast()(ios_base::sync_with_stdio(false),cin.tie(NULL));
int main()
{
    fast();
    int m,n,cnt=0;
    cin>>n>>m;
    char ara[n+1][m+1];
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)cin>>ara[i][j];
    }
    for(int i=0;i<n;i++)
    {
        for(int j=0;j<m;j++)
        {
            if(ara[i][j]=='W')
            {
                if (ara[i-1][j] == 'P' || ara[i+1][j] == 'P' || ara[i][j-1] == 'P' || ara[i][j+1] == 'P')cnt++;
            }
        }
    }
    cout<<cnt<<endl;
}