求助考试代码30pts

#include<bits/stdc++.h>
using namespace std;
const int N = 1e3  + 3;

int f[N][N];
int t[N][N];
int a1,a2;
signed main(){

    int T;
    cin >> T;

    while ( T -- ){
        int n,m,k;
        cin >> n >> m >> k;

        int x,y,d;

        cin >> x >> y >> d;
        a1 = x;
        a2 = y;
        char s;
        for ( int i = 1; i <= n; i ++ ){
            for ( int j = 1; j <= m; j ++ ){
                cin >> s;
                if ( s == 'x' ){
                    f[i][j] = -1;
                }
                else{
                    f[i][j] = 1;
                }
            }
        }

        for ( int i = 1; i <= k; i ++ ){
            int xx = x,yy = y;

            if ( d == 0 )   yy ++;
            if ( d == 1 )   xx ++;
            if ( d == 2 )   yy --;
            if ( d == 3 )   xx --;
            int fl = 0;
            if ( 1 <= xx && xx <= n && 1 <= yy && y <= m ){
                if ( f[xx][yy] == 1 ){
                    x = xx;
                    y = yy;
                    t[xx][yy] = 1;
                    fl = 1; 
                }
            }
            if ( fl == 0 ){
                d = ( d + 1 ) % 4;
            }
        }
        int cnt = 0;
        for ( int i = 1; i <= n; i ++ ){
            for ( int j = 1; j <= m; j ++ ){
                if ( t[i][j] == 1 ){
                    cnt ++;
                }
            }
        }
        if ( t[a1][a2] == 1 ){
            cout << cnt << "\n";
        }
        else{
            cout << cnt + 1 << "\n"; 
        }
    }

}