View Compilation Error

809721_0_0_9284.cpp:1:22:  iostream : No such file or directory
809721_0_0_9284.cpp: In function `int main()':
809721_0_0_9284.cpp:12: error: `cin' undeclared (first use this function)
809721_0_0_9284.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
809721_0_0_9284.cpp:20: error: `printf' undeclared (first use this function)