Compilare: main.cpp: In function 'bool is_accesible(int)': main.cpp:20:37: warning: self-comparison always evaluates to true [-Wtautological-compare] 20 | return (code ^ k) & ((1 << S) - 1) == ((1 << S) - 1); | ~~~~~~~~~~~~~~ ^~ ~~~~~~~~~~~~~~ main.cpp:20:37: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses] 20 | return (code ^ k) & ((1 << S) - 1) == ((1 << S) - 1); | ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:110:10: warning: 'cnt' may be used uninitialized in this function [-Wmaybe-uninitialized] 110 | fprintf(fout, "%d %d\n", mn, cnt); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~