View Compilation Error

0_0_10905658_24989.cpp:1:20: stdafx.h: No such file or directory
0_0_10905658_24989.cpp: In function `int main(int, char**)':
0_0_10905658_24989.cpp:6: error: `scanf' undeclared (first use this function)
0_0_10905658_24989.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10905658_24989.cpp:6: error: `EOF' undeclared (first use this function)
0_0_10905658_24989.cpp:8: error: `printf' undeclared (first use this function)