/in/foo.cc: In function 'int main()':
/in/foo.cc:7:18: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
 #define f(a,b,c) for(int a=(b);a<=(c);a++)
                  ^
/in/foo.cc:84:1: note: in expansion of macro 'f'
 f(i,1,n) cout<<ans.s[i][1]<<" "; cout<<endl;
 ^
/in/foo.cc:84:34: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
 f(i,1,n) cout<<ans.s[i][1]<<" "; cout<<endl;
                                  ^~~~