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- #include <iostream>
- #include <cstdio>
- #include <algorithm>
- #include <cstring>
- #include <string>
- #include <cctype>
- #include <stack>
- #include <bitset>
- #include <queue>
- #include <list>
- #include <vector>
- #include <map>
- #include <set>
- #include <iterator>
- #include <sstream>
- #include <stdlib.h>
- #include <cmath>
- #define FOR(i,A) for(typeof (A).begin() i = (A).begin() ; i != (A).end() ; i++)
- #define debug( x ) cout << #x << " = " << x << endl
- #define clr(v,x) memset( v, x , sizeof v )
- #define all(x) (x).begin() , (x).end()
- #define rall(x) (x).rbegin() , (x).rend()
- #define TAM 110
- using namespace std;
- typedef pair<int,int> ii ;
- typedef long long ll ;
- typedef long double ld ;
- typedef pair<int,ii> pii ;
- vector<string> v,v1;string aux;
- int main() {
- int t,n;
- scanf("%d",&t);
- while(t--){
- scanf("%d",&n);getchar();
- for(int i=0;i<n;i++){
- getline(cin,aux);//cout<<aux<<endl;
- v.push_back(aux);
- }
- scanf("%d",&n);getchar();
- for(int i=0;i<n;i++){
- getline(cin,aux);
- v1.push_back(aux);
- }
- //for(int i=0;i<v.size();i++) cout<<v[i]<<endl;
- //for(int i=0;i<v1.size();i++) cout<<v1[i]<<endl;
- vector<string> ans;
- string s;
- for(int i=0;i<v.size();i++){
- int flag = 0;
- s = "";
- for(int j=0;j<v1.size();j++){
- flag=0;
- for(int k=0;k<v1[j].size();k++){
- if( v[i][k] == '-' && v1[j][k] == 'X') {
- flag=1;
- }
- }
- if(flag==1) s += '-';
- else s += 'X';
- }
- ans.push_back(s);
- }
- printf("%d\n",ans.size());
- for(int i=0;i<ans.size();i++){
- cout<<ans[i]<<endl;
- }
- v.clear();v1.clear();
- }
- return 0;
- }
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