Compilare: main.cpp: In function 'void gen_masti()': main.cpp:30:13: warning: unused variable 'x' [-Wunused-variable] 30 | int x = a[i]; | ^ main.cpp: In function 'void solve()': main.cpp:56:27: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 56 | if(sir[i] & j == 0) | ~~^~~~