View Compilation Error

0_0_25653174_25346.cpp:4:18: error: expected initializer before 'for'
 #define TOR(i,x) for(int i=Head[x];i;i=To[i].nx)
                  ^
0_0_25653174_25346.cpp:46:2: note: in expansion of macro 'TOR'
  TOR(i,x){
  ^
0_0_25653174_25346.cpp:46:6: error: 'i' does not name a type
  TOR(i,x){
      ^
0_0_25653174_25346.cpp:4:36: note: in definition of macro 'TOR'
 #define TOR(i,x) for(int i=Head[x];i;i=To[i].nx)
                                    ^
0_0_25653174_25346.cpp:46:6: error: 'i' does not name a type
  TOR(i,x){
      ^
0_0_25653174_25346.cpp:4:38: note: in definition of macro 'TOR'
 #define TOR(i,x) for(int i=Head[x];i;i=To[i].nx)
                                      ^
0_0_25653174_25346.cpp:55:1: error: expected declaration before '}' token
 }
 ^