View Compilation Error

982763_0_0_2732.cpp:2: error: expected nested-name-specifier before "namespaced"
982763_0_0_2732.cpp:2: error: `namespaced' has not been declared
982763_0_0_2732.cpp:2: error: expected `;' before "std"
982763_0_0_2732.cpp:2: error: expected constructor, destructor, or type conversion before ';' token
982763_0_0_2732.cpp: In function `int main()':
982763_0_0_2732.cpp:7: error: `cin' undeclared (first use this function)
982763_0_0_2732.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
982763_0_0_2732.cpp:9: error: `cout' undeclared (first use this function)
982763_0_0_2732.cpp:9: error: `endl' undeclared (first use this function)