Compilare: main.cpp: In function 'int main()': main.cpp:38:17: warning: suggest explicit braces to avoid ambiguous 'else' [-Wparentheses] else if (af == zer + rez) ^ main.cpp:42:17: warning: 'i3' may be used uninitialized in this function [-Wmaybe-uninitialized] if (i3 < in3) ^~ main.cpp:39:13: warning: 'i1' may be used uninitialized in this function [-Wmaybe-uninitialized] if (i1 < in1) ^~