Compilare: user.cpp: In function ‘void transp()’: user.cpp:33:10: warning: unused variable ‘aux’ [-Wunused-variable] {int i=1,aux; ^ user.cpp: In function ‘void read()’: user.cpp:82:7: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^ user.cpp:83:9: warning: unused variable ‘xx’ [-Wunused-variable] int x,y,xx,yy; ^ user.cpp:83:12: warning: unused variable ‘yy’ [-Wunused-variable] int x,y,xx,yy; ^ user.cpp: In function ‘void mk(int, int)’: user.cpp:27:13: warning: ‘ny’ may be used uninitialized in this function [-Wmaybe-uninitialized] q->leg=p; ^ user.cpp:70:9: note: ‘ny’ was declared here {int nx,ny; ^ user.cpp:27:13: warning: ‘nx’ may be used uninitialized in this function [-Wmaybe-uninitialized] q->leg=p; ^ user.cpp:70:6: note: ‘nx’ was declared here {int nx,ny; ^