Compilare: main.cpp: In function 'void ciur()': main.cpp:24:17: warning: iteration 22501 invokes undefined behavior [-Waggressive-loop-optimizations] if (!c[i]) ~~~^ main.cpp:23:23: note: within this loop for (int i = 3; i <=NMAX; i+=2) ~~^~~~~~ main.cpp: In function 'int main()': main.cpp:72:20: warning: 'rez' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << rez << " " << max << " " << c; ^~~ main.cpp:72:42: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << rez << " " << max << " " << c; ^