View Compilation Error

0_0_9627862_6426.cpp:2: error: expected constructor, destructor, or type conversion before '=' token
0_0_9627862_6426.cpp:2: error: expected `,' or `;' before '=' token
0_0_9627862_6426.cpp: In function `int main()':
0_0_9627862_6426.cpp:12: error: `a' undeclared (first use this function)
0_0_9627862_6426.cpp:12: error: (Each undeclared identifier is reported only once for each function it appears in.)