View Compilation Error

58865_0_30333.cpp:1: error: expected constructor, destructor, or type conversion before '<' token
58865_0_30333.cpp:1: error: expected `,' or `;' before '<' token
58865_0_30333.cpp:5: error: `main' must return `int'
58865_0_30333.cpp: In function `int main(...)':
58865_0_30333.cpp:9: error: `cin' undeclared (first use this function)
58865_0_30333.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
58865_0_30333.cpp:14: error: `sqrt' undeclared (first use this function)
58865_0_30333.cpp:17: error: `cout' undeclared (first use this function)
58865_0_30333.cpp:17: error: `endl' undeclared (first use this function)