View Compilation Error

0_0_37574939_18079.cpp: In function 'int main()':
0_0_37574939_18079.cpp:95:35: error: too many arguments to function 'double smlest(std::vector<point>&)'
   printf("%.2lf\n",smlest(points,n)/2);
                                   ^
0_0_37574939_18079.cpp:53:8: note: declared here
 double smlest(vector<point> &points){
        ^