View Compilation Error

0_0_29171153_27782.cpp: In function 'll solve(ll, ll)':
0_0_29171153_27782.cpp:8:18: error: expected ';' before 'for'
 #define F(i,a,b) for(int i=a;i<=int(b);++i)
                  ^
0_0_29171153_27782.cpp:122:2: note: in expansion of macro 'F'
  F(i, 0, n)v[i].clear();
  ^
0_0_29171153_27782.cpp:122:4: error: 'i' was not declared in this scope
  F(i, 0, n)v[i].clear();
    ^
0_0_29171153_27782.cpp:8:30: note: in definition of macro 'F'
 #define F(i,a,b) for(int i=a;i<=int(b);++i)
                              ^