View Compilation Error

0_0_21064091_4794.cpp:23:13: error: expected ',' or '...' at end of input
 #define pdd pair<double, double>
             ^
0_0_21064091_4794.cpp:39:12: note: in expansion of macro 'pdd'
 double dis(pdd 
            ^
0_0_21064091_4794.cpp:23:13: error: expected ')' at end of input
 #define pdd pair<double, double>
             ^
0_0_21064091_4794.cpp:39:12: note: in expansion of macro 'pdd'
 double dis(pdd 
            ^
0_0_21064091_4794.cpp:23:13: error: expected initializer at end of input
 #define pdd pair<double, double>
             ^
0_0_21064091_4794.cpp:39:12: note: in expansion of macro 'pdd'
 double dis(pdd 
            ^