View Compilation Error

193975_0_7782.cpp:1: error: expected constructor, destructor, or type conversion before '<' token
193975_0_7782.cpp:1: error: expected `,' or `;' before '<' token
193975_0_7782.cpp: In function `int main(int, char**)':
193975_0_7782.cpp:11: error: `cin' undeclared (first use this function)
193975_0_7782.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
193975_0_7782.cpp:12: error: `vector' undeclared (first use this function)
193975_0_7782.cpp:12: error: expected primary-expression before '>' token
193975_0_7782.cpp:12: error: `b' undeclared (first use this function)
193975_0_7782.cpp:17: error: `cout' undeclared (first use this function)
193975_0_7782.cpp:17: error: `endl' undeclared (first use this function)