View Compilation Error

0_0_4141708_6302.cpp:2: error: expected unqualified-id before "while"
0_0_4141708_6302.cpp:2: error: expected `,' or `;' before "while"
0_0_4141708_6302.cpp:30: error: expected unqualified-id before "return"
0_0_4141708_6302.cpp:30: error: expected `,' or `;' before "return"
0_0_4141708_6302.cpp:31: error: expected declaration before '}' token