Compilare: main.cpp: In function 'int prim(int)': main.cpp:10:12: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if (n > 2 && n % 2 != 0 || n == 2) ~~~~~~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:24:18: warning: unused variable 'nr' [-Wunused-variable] int n, max = 0, nr, numar_cautat; ^~ main.cpp:53:22: warning: 'numar_cautat' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << numar_cautat; ^