View Compilation Error

809850_0_0_891.cpp:1:22:  iostream : No such file or directory
809850_0_0_891.cpp: In function `int main()':
809850_0_0_891.cpp:12: error: `cin' undeclared (first use this function)
809850_0_0_891.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)
809850_0_0_891.cpp:20: error: `printf' undeclared (first use this function)