View Compilation Error

0_0_29854054_29091.cpp: In function 'int main()':
0_0_29854054_29091.cpp:72:27: error: 'f' cannot be used as a function
    if(v[sl[idd]-1]>v[f(idd)]){
                           ^
0_0_29854054_29091.cpp:73:55: error: invalid types 'int [200010][int [200010]]' for array subscript
     sp.push(DR{sl[idd]-1,d[sl[idd]-1]/(v[sl[idd]-1]-v[f{idd}])+q.nt});
                                                       ^
0_0_29854054_29091.cpp:73:15: error: expected primary-expression before '{' token
     sp.push(DR{sl[idd]-1,d[sl[idd]-1]/(v[sl[idd]-1]-v[f{idd}])+q.nt});
               ^