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View Compilation Error

0_0_22151717_17746.cpp: In function 'void gao()':
0_0_22151717_17746.cpp:12:16: error: lvalue required as unary '&' operand
 #define X real()
                ^
0_0_22151717_17746.cpp:73:30: note: in expansion of macro 'X'
         scanf("%lf%lf",&s[i].X,&s[i].Y);
                              ^
0_0_22151717_17746.cpp:13:16: error: lvalue required as unary '&' operand
 #define Y imag()
                ^
0_0_22151717_17746.cpp:73:38: note: in expansion of macro 'Y'
         scanf("%lf%lf",&s[i].X,&s[i].Y);
                                      ^
0_0_22151717_17746.cpp:83:20: error: lvalue required as left operand of assignment
             s[i].X = -s[i].X;
                    ^
0_0_22151717_17746.cpp:85:21: error: lvalue required as left operand of assignment
             ts[i].X = -ts[i].X;
                     ^
0_0_22151717_17746.cpp: In function 'int main()':
0_0_22151717_17746.cpp:12:16: error: lvalue required as unary '&' operand
 #define X real()
                ^
0_0_22151717_17746.cpp:116:35: note: in expansion of macro 'X'
             scanf("%lf%lf", &p[i].X, &p[i].Y);
                                   ^
0_0_22151717_17746.cpp:13:16: error: lvalue required as unary '&' operand
 #define Y imag()
                ^
0_0_22151717_17746.cpp:116:44: note: in expansion of macro 'Y'
             scanf("%lf%lf", &p[i].X, &p[i].Y);
                                            ^


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