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| #include<algorithm> #include<iostream> #include<iomanip> #include<cstring> #include<cstdlib> #include<climits> #include<vector> #include<cstdio> #include<cmath> #include<queue> #include<map> using namespace std;
inline const int Get_Int() { int num=0,bj=1; char x=getchar(); while(x<'0'||x>'9') { if(x=='-')bj=-1; x=getchar(); } while(x>='0'&&x<='9') { num=num*10+x-'0'; x=getchar(); } return num*bj; }
int t,n,pref[55][55],Rank[55][55],Next[55],Husband[55],Wife[55]; map<char,int>Mman,Mwoman; char ManName[55],WomanName[55]; queue<int>Q;
int main() { ios::sync_with_stdio(false); cin>>t; while(t--) { cin>>n; Mman.clear(); Mwoman.clear(); Q=queue<int>(); for(int i=1; i<=n; i++)cin>>ManName[i],Mman[ManName[i]]=i; for(int i=1; i<=n; i++)cin>>WomanName[i],Mwoman[WomanName[i]]=i; for(int i=1; i<=n; i++) { char Now,tmp; int now; cin>>Now>>tmp; now=Mman[Now]; for(int j=1; j<=n; j++) { char x; cin>>x; pref[now][j]=Mwoman[x]; } Next[now]=1; Wife[now]=0; Q.push(now); } for(int i=1; i<=n; i++) { char Now,tmp; int now; cin>>Now>>tmp; now=Mwoman[Now]; for(int j=1; j<=n; j++) { char x; cin>>x; Rank[now][Mman[x]]=j; } Husband[now]=0; } while(!Q.empty()) { int Now=Q.front(); Q.pop(); int Object=pref[Now][Next[Now]++]; if(!Husband[Object]) { Husband[Object]=Now; Wife[Now]=Object; } else { int Enemy=Husband[Object]; if(Rank[Object][Enemy]>Rank[Object][Now]) { Husband[Object]=Now; Wife[Now]=Object; Wife[Enemy]=0; Q.push(Enemy); } else Q.push(Now); } } for(int i=1; i<=n; i++)cout<<ManName[i]<<" "<<WomanName[Wife[i]]<<endl; if(t)puts(""); } return 0; }
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