View Compilation Error

0_0_18069944_20045.cpp: In function 'int main()':
0_0_18069944_20045.cpp:17:19: error: expected ';' before 'for'
 #define FF(i,a,b) for(int i=a;i<=b;++i)
                   ^
0_0_18069944_20045.cpp:56:9: note: in expansion of macro 'FF'
         FF(i,1,n){
         ^
0_0_18069944_20045.cpp:56:12: error: 'i' was not declared in this scope
         FF(i,1,n){
            ^
0_0_18069944_20045.cpp:17:31: note: in definition of macro 'FF'
 #define FF(i,a,b) for(int i=a;i<=b;++i)
                               ^