Compilare: user.cpp: In function ‘int bs0(int, int)’: user.cpp:23:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int bs1(int, int)’: user.cpp:42:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int bs2(int, int)’: user.cpp:60:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:65:13: warning: variable ‘st’ set but not used [-Wunused-but-set-variable] int n,m,st,dr,t,x; ^ user.cpp:65:16: warning: variable ‘dr’ set but not used [-Wunused-but-set-variable] int n,m,st,dr,t,x; ^