为什么样例过不了，玄关

#include<bits/stdc++.h>
using namespace std;
int t;
int n,m,k;
int x,y,d;
char a[1005][1005];
bool vis[1005][1005];
int ans=0;
int main(){
	cin>>t;
	for(int xx=1;xx<=t;xx++){
		cin>>n>>m>>k;
		cin>>x>>y>>d;
		ans=0;
		memset(vis,false,sizeof(vis));
		for(int i=1;i<=n;i++){
			for(int j=1;j<=m;j++){
				cin>>a[i][j];
			}
		}
		for(int i=1;i<=k;i++){
			if(d==0){
				int xx=x;
				int yy=y+1;
				if(xx<=n&&xx>=1&&yy<=m&&yy>=1){
					vis[xx][yy]=true;
					x=xx;
					y=yy;
				}
				else{
					d=(d+1)%4;
				}
			}
			if(d==1){
				int xx=x+1;
				int yy=y;
				if(xx<=n&&xx>=1&&yy<=m&&yy>=1){
					vis[xx][yy]=true;
					x=xx;
					y=yy;
				}
				else{
					d=(d+1)%4;
				}
			}
			if(d==2){
				int xx=x;
				int yy=y-1;
				if(xx<=n&&xx>=1&&yy<=m&&yy>=1){
					vis[xx][yy]=true;
					x=xx;
					y=yy;
				}
				else{
					d=(d+1)%4;
				}
			}
			if(d==3){
				int xx=x-1;
				int yy=y;
				if(xx<=n&&xx>=1&&yy<=m&&yy>=1){
					vis[xx][yy]=true;
					x=xx;
					y=yy;
				}
				else{
					d=(d+1)%4;
				}
			}
		}
		for(int i=1;i<=n;i++){
			if(vis[i]){
				ans++;
			}
		}
		cout<<ans+1<<endl;
	}
	return 0;
}