为什么程序返回值是3 ???

#include<bits/stdc++.h>
using namespace std;
int t,m,n,k,i,j,o,x,y,d,x2,y2,d2,result=0;
char temp;
bool mapp[1010][1010];
bool anss[1010][1010];
int main(){
    freopen("explore.in","r",stdin);
    freopen("explore.out","w",stdout);
    cin>>t;
    for(o=1;o<=t;o++){
        result=0;
        for(i=0;i<=1010;i++){
            for(j=0;j<=1010;j++){
                mapp[i][j]=0;
                anss[i][j]=0;
            }
        }
        cin>>n>>m>>k>>x>>y>>d; 
        anss[x][y]=1;
        for(i=1;i<=n;i++){
            for(j=1;j<=m;j++){
                cin>>temp;
                if(temp=='.') mapp[i][j]=0;
                else mapp[i][j]=1;
            }   
        }
        for(i=1;i<=k;i++){
            if(d==0){
                x2=x;
                y2=y+1;
            }
            else if(d==1){
                x2=x+1;
                y2=y;
            }
            else if(d==2){
                x2=x;
                y2=y-1;
            }
            else{
                x2=x-1;
                y2=y;
            }
            if(mapp[x2][y2]==0 && x2>=1 && x2<=n && y2>=1 && y2<=m){
                x=x2;
                y=y2;
                anss[x][y]=1;
            }else{
                d=(d+1)%4;
            }
        }
        for(i=1;i<=n;i++)
            for(j=1;j<=m;j++)
                if(anss[i][j]==1){
                    result++;
                } 
        cout<<result<<endl;

    } 
    return 0;
}