mirror of
https://github.com/Kiritow/OJ-Problems-Source.git
synced 2024-03-22 13:11:29 +08:00
94 lines
2.0 KiB
C++
94 lines
2.0 KiB
C++
|
#include<iostream>
|
||
|
#include<cstdio>
|
||
|
#include<algorithm>
|
||
|
#include<cstring>
|
||
|
#include <queue>
|
||
|
#include <map>
|
||
|
using namespace std;
|
||
|
const int maxn=50;
|
||
|
int g[maxn][maxn], b[maxn][maxn], visit[maxn][maxn];
|
||
|
int bf[maxn], gf[maxn];
|
||
|
char ch[maxn], str[maxn];
|
||
|
map<char,int>G,M;
|
||
|
map<int,char>GG,MM;
|
||
|
queue<int>q;
|
||
|
int n, T;
|
||
|
void init()
|
||
|
{
|
||
|
G.clear(), M.clear(), GG.clear(), MM.clear();
|
||
|
memset(visit,0,sizeof(visit));
|
||
|
memset(bf,0,sizeof(bf));
|
||
|
while(!q.empty()) q.pop();
|
||
|
}
|
||
|
void find(int x)
|
||
|
{
|
||
|
for(int i=n; i>=1; i--)
|
||
|
{
|
||
|
if(visit[x][i]) continue;
|
||
|
visit[x][i]=1;
|
||
|
int y=b[x][i];
|
||
|
if(!bf[y])
|
||
|
{
|
||
|
bf[y]=x;
|
||
|
gf[x]=y;
|
||
|
return ;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if(g[y][x]>g[y][ bf[y] ])
|
||
|
{
|
||
|
q.push(bf[y]);
|
||
|
bf[y]=x;
|
||
|
gf[x]=y;
|
||
|
return ;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
void Solve()
|
||
|
{
|
||
|
for(int i=1; i<=n; i++) q.push(i);
|
||
|
while(!q.empty())
|
||
|
{
|
||
|
int x=q.front();
|
||
|
q.pop();
|
||
|
find(x);
|
||
|
}
|
||
|
sort(ch+1,ch+n+1);
|
||
|
for(int i=1; i<=n; i++)
|
||
|
printf("%c %c\n",ch[i],MM[ gf[ G[ch[i]] ] ]);
|
||
|
}
|
||
|
int main()
|
||
|
{
|
||
|
cin >> T;
|
||
|
while(T--)
|
||
|
{
|
||
|
cin >> n;
|
||
|
init();
|
||
|
for(int i=1; i<=n; i++) cin >> ch[i], G[ ch[i] ]=i, GG[i]=ch[i];
|
||
|
for(int i=1; i<=n; i++) cin >> ch[n+i], M[ ch[n+i] ]=i, MM[i]=ch[n+i];
|
||
|
for(int i=1; i<=n; i++)
|
||
|
{
|
||
|
scanf("%s",str+1);
|
||
|
int x=G[ str[1] ];
|
||
|
for(int j=3; j<=n+2; j++)
|
||
|
{
|
||
|
int y=M[ str[j] ];
|
||
|
b[x][n-j+3]=y;
|
||
|
}
|
||
|
}
|
||
|
for(int i=1; i<=n; i++)
|
||
|
{
|
||
|
scanf("%s",str+1);
|
||
|
int x=M[ str[1] ];
|
||
|
for(int j=3; j<=n+2; j++)
|
||
|
{
|
||
|
int y=G[ str[j] ];
|
||
|
g[x][y]=n-j+3;
|
||
|
}
|
||
|
}
|
||
|
Solve();
|
||
|
if(T)puts("");
|
||
|
}
|
||
|
}
|