主页双贴，危
by 小糯米 @ 2022-01-03 16:08:46
@[小糯米](/user/152341) ？
by yqnyyh @ 2022-01-03 16:12:50
已AC，谢谢。
by yqnyyh @ 2022-01-04 10:46:40
```cpp
#include <bits/stdc++.h>
using namespace std;
int n,m,vis[3000][3000];
int dx[4]={1,-1,0,0};
int dy[4]={0,0,1,-1};
char mapp[3000][3000];
struct data
{
int x,y;
};
queue<data>q;
int main()
{
cin>>n>>m;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
vis[i][j]=-1;
cin>>mapp[i][j];
if(mapp[i][j]=='m')
{
data start;
start.x=i;
start.y=j;
q.push(start);
vis[i][j]=0;
}
}
}
while(q.empty()==0)
{
data start=q.front();
for(int i=0;i<4;i++)
{
data now;
now.x=start.x+dx[i];
now.y=start.y+dy[i];
if(now.x>n||now.y>m||now.x<1||now.y<1) continue;
if(vis[now.x][now.y]==-1&&mapp[now.x][now.y]!='#')
{
vis[now.x][now.y]=vis[start.x][start.y]+1;
q.push(now);
}
if(mapp[now.x][now.y]=='d')
{
cout<<vis[now.x][now.y]<<endl;
return 0;
}
}
q.pop();
}
cout<<"No Way!"<<endl;
return 0;
}
```
by yqnyyh @ 2022-01-04 10:48:06
yqn酱 我可以偷走你的代码嘛
by SafeGlobefish @ 2022-01-08 19:51:26