View Compilation Error

0_0_22076161_11221.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_22076161_11221.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_22076161_11221.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_22076161_11221.cpp:4:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_22076161_11221.cpp:14:1: error: expected initializer before 'freopen'
 freopen("test.txt","r",stdin);
 ^
0_0_22076161_11221.cpp:16:1: error: expected unqualified-id before 'while'
 while(scanf("%lf",&p) != EOF)
 ^