Compilare: main.cpp:37:12: warning: integer constant is so large that it is unsigned if(Nmax/4>lg[i-1]) ^~~~ main.cpp: In function 'char lit(int, long long int)': main.cpp:20:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz<=lg[i-1]) ~~~^~~~~~~~~ main.cpp:22:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>lg[i-1]&&poz<=2*lg[i-1]) ~~~^~~~~~~~ main.cpp:22:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>lg[i-1]&&poz<=2*lg[i-1]) ~~~^~~~~~~~~~~ main.cpp:24:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>2*lg[i-1]&&poz<=3*lg[i-1]) ~~~^~~~~~~~~~ main.cpp:24:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>2*lg[i-1]&&poz<=3*lg[i-1]) ~~~^~~~~~~~~~~ main.cpp:26:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(poz>3*lg[i-1]) ~~~^~~~~~~~~~ main.cpp:28:1: warning: control reaches end of non-void function [-Wreturn-type] } ^