Compilare: main.cpp: In function 'int main()': main.cpp:14:10: warning: unused variable 'x' [-Wunused-variable] char x; ^ main.cpp:18:18: warning: iteration 255 invokes undefined behavior [-Waggressive-loop-optimizations] v[j] = 0; ~~~~~^~~ main.cpp:17:26: note: within this loop for(int j = 1; j <= 256; j ++) //pun 256 ~~^~~~~~ main.cpp:81:11: warning: 'pozegal' may be used uninitialized in this function [-Wmaybe-uninitialized] j = pozegal + 1; ~~^~~~~~~~~~~~~