View Compilation Error

0_0_26868863_24156.cpp: In function 'void Add(int, int, int, int)':
0_0_26868863_24156.cpp:46:22: error: expected primary-expression before '(' token
   odd[++topo]=segment((r&1)?r;r-1,-1);
                      ^
0_0_26868863_24156.cpp:46:30: error: expected ':' before ';' token
   odd[++topo]=segment((r&1)?r;r-1,-1);
                              ^
0_0_26868863_24156.cpp:46:30: error: expected primary-expression before ';' token
0_0_26868863_24156.cpp:46:37: error: expected ';' before ')' token
   odd[++topo]=segment((r&1)?r;r-1,-1);
                                     ^