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Cod sursa(job #454890)
#include<fstream>
using namespace std;
int a[256],b[256],s[256],n,m,i,j,nr,x,max0,max1;
int main()
{
ifstream f("cmlsc.in");
ofstream g("cmlsc.out");
f>>n>>m;
for(i=1;i<=n;i++)
{
f>>x;
a[x]=x;
if(x>max0)
max0=x;
}
for(i=1;i<=m;i++)
{
f>>x;
b[x]=x;
if(x>max1)
max1=x;
}
if(m<n)
{
for(i=1;i<=max1;i++)
if(b[i]!=0&&b[i]==a[i])
s[++nr]=b[i];
}
else
{
for(i=1;i<=max0;i++)
if(a[i]!=0&&a[i]==b[i])
s[++nr]=a[i];
}
g<<nr<<"\n";
for(i=1;i<=nr;i++)
g<<s[i]<<" ";
return 0;
}