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- /**
- * Problema 3
- * Laboratorul 5 - Seria CC
- */
- #include <stdio.h>
- #include <math.h>
- int prim(int n)
- {
- int i;
- for (i = 2; i <= sqrt(n); i++)
- if (n % i == 0)
- return 0; // daca are un divizor nu e prim
- return 1; // daca am ajuns aici, nu s-a gasit niciun divizor
- }
- int main()
- {
- int n, i;
- printf("n = ");
- scanf("%d", &n);
- for (i = 1; i < n / 2; i++)
- if (prim(i) && prim(n - i))
- printf("%d+%d\n", i, n - i);
- return 0;
- }
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