View Compilation Error

0_0_36177883_1000.cpp: In function 'int main()':
0_0_36177883_1000.cpp:9:38: error: 'setiosflags' was not declared in this scope
   cout << setiosflags(ios_base::fixed) << setprecision(2) << a << endl;;
                                      ^
0_0_36177883_1000.cpp:9:57: error: 'setprecision' was not declared in this scope
   cout << setiosflags(ios_base::fixed) << setprecision(2) << a << endl;;
                                                         ^