View Compilation Error

420846_0_0_24181.cpp: In function `int main()':
420846_0_0_24181.cpp:4: error: `cin' undeclared (first use this function)
420846_0_0_24181.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
420846_0_0_24181.cpp:10: error: `printf' undeclared (first use this function)