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Cod sursa(job #226611)
#include<stdio.h>
#include<string.h>
int n,mark[36000];
int cuvs[36000][27];
int compare(int a,int b)
{
for(int i=0;i<26;++i)
if(cuvs[a][i]!=cuvs[b][i])
return 0;
return 1;
}
int main()
{
int ncuv;
char cuv[18];
freopen("restante.in","r",stdin);
freopen("restante.out","w",stdout);
scanf("%d\n",&n);
int i;
for(i=0;i<n;++i)
{
gets(cuv);
ncuv=strlen(cuv);
for(int j=0;j<ncuv;++j)
++cuvs[i][cuv[j]-97];
}
int nr=0;
int nrt=0;
for(i=0;i<n-1;++i)
{
if(!mark[i])
{
nr=0;
for(int j=i+1;j<n;++j)
{
if(!mark[j])
{
if(compare(i,j))
{
nr=1;
mark[i]=1;
mark[j]=1;
}
}
}
}
if(!nr)
++nrt;
}
if(!mark[n-1])
++nrt;
printf("%d",nrt);
return 0;
}