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Cod sursa(job #292783)
#include <stdio.h>
int t,v[36005][30];
int main()
{
freopen("restante.in","r",stdin);
freopen("restante.out","w",stdout);
scanf("%d\n",&t);
int i,j,k,verif,cuv=0;
char x[30];
for (i=1; i<=t; i++)
{
fgets(x+1,30,stdin);
for (j=1; x[j]!='\n'; j++)
v[i][(int)x[j]-96]++;
}
for (i=1; i<=t; i++)
for (j=i+1; j<=t; j++)
for (k=1; k<=27; k++)
{
verif=0;
if (v[i][k]==v[j][k])
;
else
break;
if (k==27)
{
v[i][0]++;
v[j][0]++;
}
}
for (i=1; i<=t; i++)
if (v[i][0]==0)
cuv++;
printf("%d\n",cuv);
return 0;
}