View Compilation Error

0_0_22635577_6046.cpp:73:19: error: expected unqualified-id before 'for'
 #define REP(i, n) for (int i=0;i<n;++i)
                   ^
0_0_22635577_6046.cpp:191:3: note: in expansion of macro 'REP'
   REP(i, n){                                    \
   ^
0_0_22635577_6046.cpp:191:7: error: 'i' does not name a type
   REP(i, n){                                    \
       ^
0_0_22635577_6046.cpp:73:32: note: in definition of macro 'REP'
 #define REP(i, n) for (int i=0;i<n;++i)
                                ^
0_0_22635577_6046.cpp:73:36: error: expected unqualified-id before '++' token
 #define REP(i, n) for (int i=0;i<n;++i)
                                    ^
0_0_22635577_6046.cpp:191:3: note: in expansion of macro 'REP'
   REP(i, n){                                    \
   ^
0_0_22635577_6046.cpp:199:1: error: expected declaration before '}' token
 }
 ^