Compilare: user.cpp: In function ‘int main()’: user.cpp:10:8: warning: left operand of comma operator has no effect [-Wunused-value] a1,a2,a3,a4,a5,a6,a7=0; ^ user.cpp:10:11: warning: right operand of comma operator has no effect [-Wunused-value] a1,a2,a3,a4,a5,a6,a7=0; ^ user.cpp:10:14: warning: right operand of comma operator has no effect [-Wunused-value] a1,a2,a3,a4,a5,a6,a7=0; ^ user.cpp:10:17: warning: right operand of comma operator has no effect [-Wunused-value] a1,a2,a3,a4,a5,a6,a7=0; ^ user.cpp:10:20: warning: right operand of comma operator has no effect [-Wunused-value] a1,a2,a3,a4,a5,a6,a7=0; ^ user.cpp:10:26: warning: right operand of comma operator has no effect [-Wunused-value] a1,a2,a3,a4,a5,a6,a7=0; ^ user.cpp:9:32: warning: unused variable ‘j’ [-Wunused-variable] int n,a1,a2,a3,a4,a5,a6,a7,j,i; ^ user.cpp:50:27: warning: ‘a5’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (v[a5]*v[a5+1]>v[a5-1]*v[a5]) ^ user.cpp:40:27: warning: ‘a4’ may be used uninitialized in this function [-Wmaybe-uninitialized] if (v[a4]*v[a4+1]>v[a4-1]*v[a4]) ^ user.cpp:71:16: warning: ‘a3’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[a3]=0; ^ user.cpp:70:16: warning: ‘a2’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[a2]=0; ^ user.cpp:69:16: warning: ‘a1’ may be used uninitialized in this function [-Wmaybe-uninitialized] v[a1]=0; ^