View Compilation Error

0_0_21627626_506.cpp:37:9: error: macro "f2" requires 3 arguments, but only 2 given
   f2(i,n)printf(" %d",f[n][i][i-2]);
         ^
0_0_21627626_506.cpp: In function 'int main()':
0_0_21627626_506.cpp:37:3: error: 'f2' was not declared in this scope
   f2(i,n)printf(" %d",f[n][i][i-2]);
   ^