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- //Justyna Koczar
- #include <iostream>
- #include <cstdlib>
- using namespace std;
- int main(){
- long i,j,k,n,m,p;
- long tab1[140001],tab2[140001],tab3[140001];
- bool wpis;
- cin>>n;
- for(i=0;i<n;i++){
- cin>>tab1[i];
- }
- cin>>m;
- for(i=0;i<m;i++){
- cin>>tab2[i];
- }
- p=0;
- for (i=0;i<n;i++){
- for(j=0;j<m;j++){
- wpis=true;
- if(tab1[i]==tab2[j]){
- for (k=0;k<p;k++){
- if(tab3[k]==tab1[i]){
- wpis=false;
- break;
- }
- }
- if (wpis){
- tab3[p]=tab1[i];
- p++;
- }
- }
- }
- }
- cout<<p<<endl;
- for (i=0;i<p;i++){
- cout<<tab3[i]<<endl;
- }
- return 0;
- }
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