View Compilation Error

0_0_28696534_24233.cpp: In function 'int main()':
0_0_28696534_24233.cpp:36:40: error: 'setprecision' was not declared in this scope
             cout<<fixed<<setprecision(2)<<p[i]<<" ";
                                        ^
0_0_28696534_24233.cpp:37:36: error: 'setprecision' was not declared in this scope
         cout<<fixed<<setprecision(2)<<p[n-1]<<endl;
                                    ^