Compilare: main.cpp: In function 'int main()': main.cpp:26:27: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 26 | if (x & 3 == 0){ | ~~^~~~ main.cpp:21:24: warning: variable 'pos' set but not used [-Wunused-but-set-variable] 21 | int m = 0, pos; | ^~~ main.cpp:55:38: warning: 'nrmax' may be used uninitialized in this function [-Wmaybe-uninitialized] 55 | if (c == 3) cout << nrmax << '\n'; | ^~~~