View Compilation Error

0_0_2892910_10274.cpp:2: error: expected unqualified-id before "while"
0_0_2892910_10274.cpp:2: error: expected `,' or `;' before "while"
0_0_2892910_10274.cpp:45: error: expected unqualified-id before "return"
0_0_2892910_10274.cpp:45: error: expected `,' or `;' before "return"
0_0_2892910_10274.cpp:46: error: expected declaration before '}' token