QOJ.ac

QOJ

ID题目提交者结果用时内存语言文件大小提交时间测评时间
#663054#2345. Karel the RobotCoffinsWA 217ms362996kbC++143.6kb2024-10-21 12:24:372024-10-21 12:24:38

Judging History

This is the latest submission verdict.

  • [2024-10-21 12:24:38]
  • Judged
  • Verdict: WA
  • Time: 217ms
  • Memory: 362996kb
  • [2024-10-21 12:24:37]
  • Submitted

answer

//10:18
#include<bits/stdc++.h>
using namespace std;
using pii=pair<int,int>;
const int N=45;
int n,m,k,q,cnt;
int a[N][N];
map<char,string> trs;
map<char,int> dir;
int mx[4]={-1,0,1,0};
int my[4]={0,-1,0,1};
char dr[4]={'n','w','s','e'};
struct Node
{
    int x,y,d;
    Node(int i,int j,int k)
    :x(i),y(j),d(k){}
    Node(){x=y=d=0;}
};Node dfs(int x,int y,int d,string s)
{
    int nx=x+mx[d],ny=y+my[d];
    int lt=s.length();cnt++;
    if(cnt>1e6)return Node(-1,-1,-1);
    for(int i=0;i<lt;i++)
    {
        if(s[i]=='m')
        {
            if(a[nx][ny])x=nx,y=ny;
            nx=x+mx[d],ny=y+my[d];
        }
        else if(s[i]=='l')
        {
            d=(d+1)%4;
            nx=x+mx[d],ny=y+my[d];
        }
        else if(s[i]>='A'&&s[i]<='Z')
        {
            Node ps=dfs(x,y,d,trs[s[i]]);
            if(ps.x==-1)return ps;
            x=ps.x,y=ps.y,d=ps.d;
            nx=x+mx[d],ny=y+my[d];
        }
        else if(s[i]=='i')
        {
            i++;int l1=0,r1=0,l2=0,r2=0,ct=0;
            for(int j=i+1;j<lt;j++)
            {
                if(s[j]=='(')
                {
                    ct++;
                    if(ct==1)
                    {
                        if(!l1)l1=j;
                        else if(!l2)l2=j;
                    }
                }
                if(s[j]==')')
                {
                    ct--;
                    if(ct==0)
                    {
                        if(!r1)r1=j;
                        else{r2=j;break;}
                    }
                }
            }string t0="",t1="",t;
            for(int j=l1+1;j<=r1-1;j++)t0+=s[j];
            for(int j=l2+1;j<=r2-1;j++)t1+=s[j];
            if(s[i]=='b')
            {
                if(!a[nx][ny])
                t=t0;else t=t1;
            }else
            {
                if(dir[s[i]]==d)
                t=t0;else t=t1;
            }i=r2;Node ps=dfs(x,y,d,t);
            if(ps.x==-1)return ps;
            x=ps.x,y=ps.y,d=ps.d;
            nx=x+mx[d],ny=y+my[d];
        }
        else if(s[i]=='u')
        {
            i++;int l=0,r=0,ct=0;
            for(int j=i+1;j<lt;j++)
            {
                if(s[j]=='(')
                {
                    ct++;
                    if(ct==1)l=j;
                }if(s[j]==')')
                {
                    ct--;
                    if(ct==0){r=j;break;}
                }
            }string t="";
            for(int j=l+1;j<=r-1;j++)t+=s[j];
            while(1)
            {
                if(s[i]=='b'){if(!a[nx][ny])break;}
                else{if(dir[s[i]]==d)break;}
                Node ps=dfs(x,y,d,t);
                if(ps.x==-1)return ps;
                x=ps.x,y=ps.y,d=ps.d;
                nx=x+mx[d],ny=y+my[d];
            }i=r;
        }
    }return Node(x,y,d);
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n>>m>>k>>q;
    dir['n']=0,dir['w']=1,
    dir['s']=2,dir['e']=3;
    for(int i=1;i<=n;i++)
    {
        string s;cin>>s;
        for(int j=1;j<=m;j++)
        a[i][j]=(s[j-1]=='.');
    }for(int i=1;i<=k;i++)
    {
        string str,t="";cin>>str;
        int len=str.length();
        for(int i=2;i<len;i++)t+=str[i];
        trs[str[0]]=t;
    }for(int i=1;i<=q;i++)
    {
        int x,y,d;string s;
        cnt=0;cin>>x>>y>>s;
        d=dir[s[0]];cnt=0;
        cin>>s;Node nd=dfs(x,y,d,s);
        if(nd.x==-1)cout<<"inf\n";
        else cout<<nd.x<<' '<<nd.y<<' '<<dr[nd.d]<<'\n';
    }return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 72ms
memory: 362920kb

Test #2:

score: 0
Accepted
time: 0ms
memory: 3616kb

Test #3:

score: 0
Accepted
time: 18ms
memory: 3540kb

Test #4:

score: 0
Accepted
time: 0ms
memory: 3752kb

Test #5:

score: 0
Accepted
time: 217ms
memory: 362996kb

Test #6:

score: -100
Wrong Answer
time: 180ms
memory: 3624kb