Compilare: main.cpp: In function 'int main()': main.cpp:74:47: warning: suggest parentheses around comparison in operand of '^' [-Wparentheses] 74 | if(g != y || e != x || (e ^ x ^ f == y)){ | ~~^~~~ main.cpp:93:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 93 | for(int i = 0 ; i + b < u.size() ; ++ i){ | ~~~~~~^~~~~~~~~~ main.cpp:81:17: warning: unused variable 'd' [-Wunused-variable] 81 | int d = 1 , c; | ^