Compilare: user.cpp: In function ‘int coliniar(int, int, int, int, traseu*, int&)’: user.cpp:44:21: warning: unused variable ‘j’ [-Wunused-variable] int dx,dy,t=0,i,j,div,x,y; ^ user.cpp:44:29: warning: variable ‘y’ set but not used [-Wunused-but-set-variable] int dx,dy,t=0,i,j,div,x,y; ^ user.cpp:129:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:164:44: warning: unused variable ‘h’ [-Wunused-variable] { int x,y,nr1,nr2,min11,min12,min21,min22,h,b,c,p,q; ^ user.cpp:164:46: warning: unused variable ‘b’ [-Wunused-variable] { int x,y,nr1,nr2,min11,min12,min21,min22,h,b,c,p,q; ^ user.cpp:164:48: warning: unused variable ‘c’ [-Wunused-variable] { int x,y,nr1,nr2,min11,min12,min21,min22,h,b,c,p,q; ^ user.cpp:164:50: warning: unused variable ‘p’ [-Wunused-variable] { int x,y,nr1,nr2,min11,min12,min21,min22,h,b,c,p,q; ^ user.cpp:164:52: warning: unused variable ‘q’ [-Wunused-variable] { int x,y,nr1,nr2,min11,min12,min21,min22,h,b,c,p,q; ^