模拟水题，直接贴代码，主要是vector的使用。
//poj 1208
//sep9
#include <iostream>
#include <vector>
using namespace std;
const int maxN=32;
vector<int> v[maxN],tmp;
char a[32],b[32];
int n,x,y,a1,a2,b1,b2;
void get_address()
{int i,j;for(i=0;i<n;++i)for(j=0;j<v[i].size();++j)if(v[i][j]==x){a1=i;b1=j;}for(i=0;i<n;++i)for(j=0;j<v[i].size();++j)if(v[i][j]==y){a2=i;b2=j;}
}void show()
{int i,j;for(i=0;i<n;++i){printf("%d:",i);for(j=0;j<v[i].size();++j)printf("% d",v[i][j]); printf("\n");}
}void a_move_back()
{int i;tmp.clear();for(i=b1+1;i<v[a1].size();++i)tmp.push_back(v[a1][i]);v[a1].erase(v[a1].begin()+b1+1,v[a1].end());for(i=0;i<tmp.size();++i){int x=tmp[i];v[x].insert(v[x].begin(),x);}
}void b_move_back()
{int i;tmp.clear();for(i=b2+1;i<v[a2].size();++i)tmp.push_back(v[a2][i]);v[a2].erase(v[a2].begin()+b2+1,v[a2].end());for(i=0;i<tmp.size();++i){int x=tmp[i];v[x].insert(v[x].begin(),x);}
}