//#include <bits/stdc++.h>
#include<stdio.h>
#include<string.h>
#include<string>
#include<math.h>
#include<algorithm>
#include<iostream>
#include<queue>
#include<vector>
#include<stack>
#include<map>
#include<set>
#include<stdlib.h>
#include<time.h>
#include <iomanip>
#define lowbit(x) (x&(-x))
#define inf 0x7fffffff
#define linf 0x7fffffffffffffff
#define mem(x,y) memset(x,y,sizeof(x))
#define fup(i,x,y) for(int i=(x);i<=(y);i++)
#define fdn(i,x,y) for(int i=(x);i>=(y);i--)
#define sp(x) setprecision(x)
#define sd(n) scanf("%d",&n)
#define sdd(n,m) scanf("%d%d",&n,&m)
#define sddd(n,m,k) scanf("%d%d%d",&n,&m,&k)
#define sld(n) scanf("%lld",&n)
#define sldd(n,m) scanf("%lld%lld",&n,&m)
#define slddd(n,m,k) scanf("%lld%lld%lld",&n,&m,&k)
#define sf(n) scanf("%lf",&n)
#define sff(n,m) scanf("%lf%lf",&n,&m)
#define sfff(n,m,k) scanf("%lf%lf%lf",&n,&m,&k)
#define sc(n) scanf("%s",n)
#define lowbit(x) (x&(-x))
#define pf(x) printf("%d\n",x)
#define pfl(x) printf("%lld\n",x)
#define pff(x) printf("%lf\n",x)
#define debug printf("!!\n");
#define N 1000005
#define M 4000009
#define pi acos(-1)
#define eps 1e-2
//cout.setf(ios::fixed);
//freopen("out.txt","w",stdout);// freopen("in.txt","r",stdin);
using namespace std;
typedef long long ll;
typedef double db;
using namespace std;
typedef long long ll;
using namespace std;
int man[35][35],women[35][35];
int manperfer[35],num[35],womennow[35];
stack<int> s;
map<char,int> ma,wo;
char c1[35],c2[35];
int n;
void ini()
{
mem(manperfer,0);
mem(womennow,0);
}
int fi(int x,int y)
{
fup(i,1,n)
if(women[x][i]==y) return i;
return 0;
}
void choose(int x)
{
int prefer=man[x][num[x]];
if(womennow[prefer]==0)
{
womennow[prefer]=x;
manperfer[x]=prefer;
return ;
}
int old=fi(prefer,womennow[prefer]);
int now=fi(prefer,x);
if(old<now)
{
num[x]++;
s.push(x);
}
else
{
int tp=womennow[prefer];
num[tp]++;
s.push(tp);
womennow[prefer]=x;
manperfer[x]=prefer;
}
}
int main()
{
int t;
sd(t);
while(t--)
{
ini();
sd(n);
fup(i,1,n)
sc(c1+i),num[i]=1;
sort(c1+1,c1+1+n);
fup(i,1,n)
ma[c1[i]]=i;
fup(i,1,n)
sc(c2+i);
sort(c2+1,c2+1+n);
fup(i,1,n)
wo[c2[i]]=i;
char like[35];
fup(j,1,n)
{
sc(like);
fup(i,2,n+1)
{
char x;
x=like[i];
man[ma[like[0]]][i-1]=wo[x];
}
}
fup(j,1,n)
{
sc(like);
fup(i,2,n+1)
{
char x;
x=like[i];
women[wo[like[0]]][i-1]=ma[x];
}
}
fup(i,1,n)
choose(i);
while(!s.empty())
{
int tp=s.top();
s.pop();
choose(tp);
}
fup(i,1,n)
printf("%c %c\n",c1[i],c2[manperfer[ma[c1[i]]]]);
puts("");
}
return 0;
}
poj 3487 稳定婚姻问题
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转载自blog.csdn.net/qq_25973789/article/details/80024027
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