View Compilation Error

318174_0_14111.cpp: In function `int main()':
318174_0_14111.cpp:10: error: `scanf' undeclared (first use this function)
318174_0_14111.cpp:10: error: (Each undeclared identifier is reported only once for each function it appears in.)
318174_0_14111.cpp:17: error: `printf' undeclared (first use this function)