View Compilation Error

0_0_7818766_2419.cpp:8: error: expected unqualified-id before numeric constant
0_0_7818766_2419.cpp:8: error: expected `,' or `;' before numeric constant
0_0_7818766_2419.cpp: In function `int main()':
0_0_7818766_2419.cpp:30: error: non-lvalue in unary `&'
0_0_7818766_2419.cpp:48: error: `E' undeclared (first use this function)
0_0_7818766_2419.cpp:48: error: (Each undeclared identifier is reported only once for each function it appears in.)