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- #include <stdio.h>
- #include <stdlib.h>
- unsigned zbir(int n);
- int main()
- {
- int n;
- unsigned s;
- printf("Unesite prirodan broj\nn = ");
- do
- {
- scanf("%d", &n);
- if(n<1) printf("Unet broj nije prirodan!\nn = ");
- }while(n<1);
- s = zbir(n);
- printf("\nZbir kvadrata prvih %d brojeva iznosi %u\n", n, s);
- return 0;
- }
- unsigned zbir(int n)
- {
- int i;
- unsigned s=0;
- for(i=1;i<=n;i++) s+=i*i;
- return s;
- }
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