Compilare: main.cpp: In function 'int main()': main.cpp:16:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (step = 1; step < max(n, m); step <<= 1); ~~~~~^~~~~~~~~~~~ main.cpp:80:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(t-k>=ee) ~~~^~~~