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- #include <stdio.h>
- #include <stdlib.h>
- int funkcija(char niz[])
- {
- int i=0, br=0, j, brojac[25];
- for(i=0; i<25; i++) brojac[i]=0;
- i=0;
- while(niz[i]!='\0')
- {
- if (niz[i] >= 'A' && niz[i] <='Z') brojac[niz[i]-'A']++;
- if (niz[i]>='a' && niz[i]<='z') brojac[niz[i]-'a']++;
- i++;
- }
- for(j=0; j<25; j++)
- {
- if(brojac[j]==2)
- br++;
- }
- return br;
- }
- int main()
- {
- char recenica[90]={"Abeceda"};
- printf("%d", funkcija(recenica));
- return 0;
- }
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