mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
141 lines
4.0 KiB
C++
141 lines
4.0 KiB
C++
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#include<stdio.h>
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#include<string.h>
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#include<queue>
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using namespace std;
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struct node
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{
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int damage,x,y;
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int mark[5];
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bool operator <(const node &a)const
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{
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return a.damage<damage;
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}
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};
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typedef struct tt
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{
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int x,y,t;
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}NODE;
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int dir[4][2]={{1,0},{0,1},{-1,0},{0,-1}};
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node cur,ne;
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int n,m,tag;NODE cur1,next1;
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char a[55][55];int mark[55][55],mark1[55][55];
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void bfs(int x,int y)
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{
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priority_queue<node> qu;
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cur.x=x;cur.y=y;cur.damage =0;
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queue<NODE> q;
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int i,j;
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for(i=0;i<5;i++)
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{
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cur.mark[i]=0;
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}
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qu.push(cur);
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while(!qu.empty ())
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{
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cur=qu.top ();
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qu.pop();
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if(a[cur.x][cur.y]=='!')
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{
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tag=1;
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return ;
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}
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for(i=0;i<4;i++)
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{
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ne.x=cur.x+dir[i][0];
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ne.y=cur.y+dir[i][1];
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if(ne.x>=1&&ne.x<=n&&ne.y>=1&&ne.y<=m&&a[ne.x][ne.y]!='#'&&a[ne.x][ne.y]!='A'&&a[ne.x][ne.y]!='B'&&a[ne.x][ne.y]!='D'&&a[ne.x][ne.y]!='E')
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{
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ne.damage =cur.damage ;
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for(j=0;j<5;j++)
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{
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ne.mark[j]=cur.mark[j];
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}
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if(a[ne.x][ne.y]=='C' && cur.mark[2]==0)
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{
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ne.damage +=3;
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ne.mark[2]=1;
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}
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memset(mark1,0,sizeof(mark1));
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while(!q.empty ())
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q.pop ();
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cur1.x=ne.x;
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cur1.y=ne.y;
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cur1.t=0;
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q.push(cur1);
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while(!q.empty ())
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{
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cur1=q.front ();
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q.pop();
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if(cur1.t>3)
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break;
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if(ne.mark[0]==0 && cur1.t<=2 && a[cur1.x][cur1.y]=='A')
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{
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ne.damage+=1;
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ne.mark[0]=1;
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}
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if(ne.mark[1]==0 && cur1.t<=3 && a[cur1.x][cur1.y]=='B')
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{
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ne.damage +=2;
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ne.mark[1]=1;
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}
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if(ne.mark[3]==0 && cur1.t<=2&&a[cur1.x][cur1.y]=='D')
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{
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ne.damage +=4;
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ne.mark[3]=1;
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}
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if(ne.mark[4]==0 && cur1.t<=1&&a[cur1.x][cur1.y]=='E')
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{
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ne.damage +=5;
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ne.mark [4]=1;
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}
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for(j=0;j<=4;j++)
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{
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next1.x=cur1.x+dir[j][0];
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next1.y=cur1.y+dir[j][1];
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if(next1.x>=1&&next1.x<=n&&next1.y>=1&&next1.y<=m&&!mark1[next1.x][next1.y])
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{
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mark1[next1.x][next1.y]=1;
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next1.t=cur1.t+1;
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q.push(next1);
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}
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}
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}
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if(mark[ne.x][ne.y]>ne.damage)
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{
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mark[ne.x][ne.y]=ne.damage;
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qu.push(ne);
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}
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}
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}
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}
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}
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int main()
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{
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int t,i,j,sx,sy,count=0;
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scanf("%d",&t);
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while(t--)
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{
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count++;tag=0;
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scanf("%d%d",&n,&m);
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for(i=1;i<=n;i++)
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{
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getchar();
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for(j=1;j<=m;j++)
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{
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scanf("%c",&a[i][j]);
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mark[i][j]=0xfffffff;
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if(a[i][j]=='$')
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{
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sx=i;sy=j;
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}
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}
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}
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bfs(sx,sy);
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if(tag)
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printf("Case %d: %d\n",count,cur.damage );
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else
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printf("Case %d: %d\n",count,-1);
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}
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return 0;
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}
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