
广搜板子,加个方向就好了 注意多测清空问题
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define int long long
const int N = 1e5+10;
const int inf = 0x3f3f3f3f;
const int mod = 1e9+7;
int n,m;
char g[1010][1010];
bool vis[1010][1010][5];
struct Node{
	int x,y,f;
};
int stx,sty,edx,edy;
int dx[] = {0,0,1,-1};int dy[] = {1,-1,0,0};
int dist[1010][1010];
void bfs()
{
	queue<Node>q;
	for(int i=0;i<4;i++)q.push({stx,sty,i});
	memset(dist,0x3f,sizeof dist);
	memset(vis,0,sizeof vis);
	dist[stx][sty] = 0;
	vis[stx][sty][0] = 1;
	vis[stx][sty][1] = 1;
	vis[stx][sty][2] = 1;
	vis[stx][sty][3] = 1;
	
	
	while(q.size())
	{
	  auto t = q.front();
	  
	  int x = t.x,y = t.y,f = t.f;
	  q.pop();
	  int temx = x+dx[f],temy = y+dy[f];
	  
	  if(temx<1||temy<1||temx>n||temy>m)continue;
	  if(g[temx][temy]=='#'||vis[temx][temy][f])continue;
	  vis[temx][temy][f] = true;
	  dist[temx][temy] = dist[x][y]+1;
 	  if(g[temx][temy]=='.')q.push({temx,temy,f});
 	  else if(g[temx][temy]=='*'){
 	  	
 	  	q.push({temx,temy,0});
 	  	q.push({temx,temy,1});
 	  	q.push({temx,temy,2});
 	  	q.push({temx,temy,3});
 	  	
 	  }else if(g[temx][temy]=='T'){
 	  	cout<<dist[temx][temy]<<"\n";return;
 	  }
	  
	  		
	}
	
	cout<<-1<<"\n";
}
void solve()
{
	
	
	cin>>n>>m;
	
	for(int i=1;i<=n;i++)
	 for(int j=1;j<=m;j++){
	 	cin>>g[i][j];
	 	if(g[i][j]=='S'){stx = i,sty = j;}
	 }
	 
	 bfs();
	
}
signed main()
{
	ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
	int _;
	cin>>_;
	//_ = 1;
	while(_--)solve();
	return 0;
}


















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