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Cod sursa(job #700614)
#include<fstream>
#include<algorithm>
#include<cstring>
using namespace std;
ifstream f("restante.in");
ofstream g("restante.out");
typedef char siruri[20];
siruri a[36010];
int n,i,j,x[36010],nr;
bool cmp(char a,char b)
{
return(a<b);
}
int main()
{
f>>n;
f.get();
for(i=1;i<=n;i++)
{
f.getline(a[i],20);
sort(a[i],a[i]+strlen(a[i]),cmp);
}
nr=n;
for(i=1;i<=n;i++)
{
for(j=i+1;j<=n;j++)
{
if(strcmp(a[i],a[j])==0)
x[i]=x[j]=1;
}
if(x[i]==1)
nr--;
}
g<<nr;
return 0;
}