View Compilation Error

0_0_1206495_29521.cpp:16: error: `u4' does not name a type
0_0_1206495_29521.cpp:18: error: `u4' does not name a type
0_0_1206495_29521.cpp:19: error: `u4' does not name a type
0_0_1206495_29521.cpp:20: error: expected unqualified-id before '{' token
0_0_1206495_29521.cpp:20: error: expected `,' or `;' before '{' token