Compilare: user.cpp: In function ‘void Solve()’: user.cpp:52:18: warning: unused variable ‘r1’ [-Wunused-variable] int i1, i2, i3, r1, r2, c1, c2, c3, n1, n2; ^ user.cpp:52:22: warning: unused variable ‘r2’ [-Wunused-variable] int i1, i2, i3, r1, r2, c1, c2, c3, n1, n2; ^ user.cpp:52:26: warning: unused variable ‘c1’ [-Wunused-variable] int i1, i2, i3, r1, r2, c1, c2, c3, n1, n2; ^ user.cpp:52:30: warning: unused variable ‘c2’ [-Wunused-variable] int i1, i2, i3, r1, r2, c1, c2, c3, n1, n2; ^ user.cpp:52:34: warning: unused variable ‘c3’ [-Wunused-variable] int i1, i2, i3, r1, r2, c1, c2, c3, n1, n2; ^