View Compilation Error

118970_0_22501.cpp: In function `int main()':
118970_0_22501.cpp:11: error: `read' undeclared (first use this function)
118970_0_22501.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
118970_0_22501.cpp:15: error: no match for 'operator>>' in 'std::cout >> t'
118970_0_22501.cpp:18: error: expected `;' before '}' token