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Cod sursa(job #198397)
#include<fstream>
#include<algorithm>
#include<cstring>
using namespace std;
int main(){
int n,i;
char a[36001][17];
ifstream f("restante.in");
f>>n;
for(i=0;i<n;i++){
f>>a[i];
sort(a[i], a[i]+strlen(a[i]));
}
f.close();
sort(a,a+n);
int c=0;
for(i=1;i<n;i++)
if(strcmp(a[i],a[i-1])!=0)
c++;
ofstream g("restante.out");
g<<c<<'\n';
g.close();
return 0;
}