View Compilation Error

0_0_2015228_10677.cpp:1:20: stdafx.h: No such file or directory
0_0_2015228_10677.cpp: In function `int main()':
0_0_2015228_10677.cpp:9: error: `x' undeclared (first use this function)
0_0_2015228_10677.cpp:9: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2015228_10677.cpp:14: error: `YES' undeclared (first use this function)
0_0_2015228_10677.cpp:15: error: `NO' undeclared (first use this function)