View Compilation Error

0_0_2003359_19396.cpp: In function `int main(int, char**)':
0_0_2003359_19396.cpp:47: error: expected unqualified-id before "int"
0_0_2003359_19396.cpp:47: error: expected `,' or `;' before "int"
0_0_2003359_19396.cpp:48: error: `b' undeclared (first use this function)
0_0_2003359_19396.cpp:48: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_2003359_19396.cpp:51: error: `cout' undeclared (first use this function)
0_0_2003359_19396.cpp:51: error: `endl' undeclared (first use this function)