View Compilation Error

0_0_8897748_862.cpp:1:9: #include expects "FILENAME" or <FILENAME>
0_0_8897748_862.cpp:2:9: #include expects "FILENAME" or <FILENAME>
0_0_8897748_862.cpp: In function `int main()':
0_0_8897748_862.cpp:7: error: `scanf' undeclared (first use this function)
0_0_8897748_862.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8897748_862.cpp:7: error: `EOF' undeclared (first use this function)
0_0_8897748_862.cpp:16: error: `fabs' undeclared (first use this function)
0_0_8897748_862.cpp:25: error: `printf' undeclared (first use this function)