View Compilation Error

0_0_1141767_18203.cpp:1:20: stdafx.h: No such file or directory
0_0_1141767_18203.cpp: In function `int main(int, char**)':
0_0_1141767_18203.cpp:7: error: `scanf' undeclared (first use this function)
0_0_1141767_18203.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_1141767_18203.cpp:18: error: `printf' undeclared (first use this function)