View Compilation Error

0_0_14787622_12341.cpp: In function 'int main()':
0_0_14787622_12341.cpp:8:40: error: 'setiosflags' was not declared in this scope
            cout<<setiosflags(ios::fixed)<<setprecision(2)<<sqrt(pow((x2-x1),2)+pow((y2-y1),2))<<endl;
                                        ^
0_0_14787622_12341.cpp:8:57: error: 'setprecision' was not declared in this scope
            cout<<setiosflags(ios::fixed)<<setprecision(2)<<sqrt(pow((x2-x1),2)+pow((y2-y1),2))<<endl;
                                                         ^