rt. 昨天写成这样就再没调出来，不知道哪错了，求各位大佬指正

#include<bits/stdc++.h>
typedef long long int ll;
using namespace std;
const int maxn=250;
const int d[4][2]={{1,0},{-1,0},{0,1},{0,-1}};
char mp[maxn][maxn];
//bool vis[maxn][maxn];
int sx,sy,ex,ey;
int n,m,qry,r,c,eng[maxn][maxn];
struct node{int x,y,e;};
queue<node>q;
void bfs(){
	while(!q.empty()){
		int x=q.front().x,y=q.front().y,e=q.front().e;
		q.pop();
//		cout<<"---"<<x<<" "<<y<<" "<<e<<"\n";
		if(mp[x][y]=='T'){
			cout<<"Yes";
			exit(0);
		}
		for(int i=0;i<4;i++){
			int dx=x+d[i][0],dy=y+d[i][1];
			if(dx>=0&&dx<n&&dy>=0&&dy<m&&mp[dx][dy]!='#'/*&&!vis[dx][dy]*/){
				if(eng[dx][dy]>=0&&e+eng[dx][dy]-1>0){
					q.push({dx,dy,e+eng[dx][dy]-1});
					eng[dx][dy]=0;
				}
//				vis[dx][dy]=1;
			}
		}
	}
}
int main(){
	cin>>n>>m;
	for(int i=0;i<n;i++)cin>>mp[i];
	cin>>qry;
	for(int i=0;i<qry;i++){
		cin>>r>>c;
		cin>>eng[r-1][c-1];
//		cout<<r-1<<" "<<c-1<<" "<<eng[r-1][c-1]<<"\n";
	}
	for(int i=0;i<n;i++){
		for(int j=0;j<m;j++){
			if(mp[i][j]=='S')sx=i,sy=j;
			if(mp[i][j]=='T')ex=i,ey=j;
		}
	}
//	cout<<sx<<" "<<sy<<" "<<ex<<" "<<ey<<"\n";
	q.push({sx,sy,eng[sx][sy]});
//	for(int i=0;i<n;i++){
//		for(int j=0;j<m;j++)cout<<eng[i][j]<<"";
//		cout<<"\n";
//	}
	bfs();
	cout<<"No";
	return 0;
}
/*
4 4
S...
#..#
#...
..#T
4
1 1 3
1 3 5
3 2 1
2 3 1

*/