View Compilation Error

293511_0_24230.cpp:4: error: expected constructor, destructor, or type conversion before '<' token
293511_0_24230.cpp:4: error: expected `,' or `;' before '<' token
293511_0_24230.cpp: In function `int main()':
293511_0_24230.cpp:14: error: `cin' undeclared (first use this function)
293511_0_24230.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
293511_0_24230.cpp:18: error: `w' undeclared (first use this function)
293511_0_24230.cpp:28: error: `cout' undeclared (first use this function)
293511_0_24230.cpp:28: error: `endl' undeclared (first use this function)