Compilare: user.cpp: In function ‘int ver(int, int, int, int)’: user.cpp:9:9: warning: unused variable ‘p1’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:12: warning: unused variable ‘p2’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:15: warning: unused variable ‘a1’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:18: warning: unused variable ‘b1’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:21: warning: unused variable ‘c1’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:24: warning: unused variable ‘a2’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:27: warning: unused variable ‘b2’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:9:30: warning: unused variable ‘c2’ [-Wunused-variable] int p1,p2,a1,b1,c1,a2,b2,c2; ^ user.cpp:10:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^