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- #include<stdio.h>
- #include<math.h>
- int main(void)
- {
- char niz[4];
- int tea=1, i, nes=0;
- float kor;
- gets(niz);
- while(niz[i]!='\0')
- {
- if(niz[i]<'0' || niz[i]>'9')
- {tea=0;
- break; }
- i++;
- }
- if(tea==0)
- printf("Ne moze.\n");
- else
- { for(i=0;i<10;i++)
- {printf("%c", niz[i]);
- nes=nes*10+niz[i]-'0';
- }
- }
- kor=sqrt(nes);
- printf("Korijen je %.2f", kor);
- return 0;
- }
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