Compilare: main.cpp: In function 'int cautbin(int, int, int)': main.cpp:52:24: warning: left operand of comma operator has no effect [-Wunused-value] return (mid+1,hi,l); ~~~^~ main.cpp:52:30: warning: right operand of comma operator has no effect [-Wunused-value] return (mid+1,hi,l); ^ main.cpp:54:28: warning: left operand of comma operator has no effect [-Wunused-value] return (lo,mid-1,l); ^ main.cpp:54:27: warning: right operand of comma operator has no effect [-Wunused-value] return (lo,mid-1,l); ~~~^~ main.cpp:56:1: warning: control reaches end of non-void function [-Wreturn-type] } ^