Compilare: main.cpp: In function 'int main()': main.cpp:53:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < rez.size(); i++){ ~~^~~~~~~~~~~~ main.cpp:35:30: warning: unused variable 'cnt' [-Wunused-variable] int x, y, ans = 1 << 30, cnt = 0; ^~~