Compilare: main.cpp: In function 'void build()': main.cpp:19:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=2;i<=n;i++) ~^~~ main.cpp: In function 'int get_byte(int, int)': main.cpp:4:20: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses] #define Byte (1<<8)-1 ~~~~~~^~ main.cpp:25:29: note: in expansion of macro 'Byte' return ( nr>>(byte*8) )&Byte; ^~~~ main.cpp: In function 'void sortin(unsigned int*, unsigned int*, int)': main.cpp:34:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~ main.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~ main.cpp: In function 'int main()': main.cpp:57:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i+=10) ~^~~