View Compilation Error

0_0_3923111_30506.cpp:47: error: `Inline' does not name a type
0_0_3923111_30506.cpp: In function `int main()':
0_0_3923111_30506.cpp:66: error: `G' undeclared (first use this function)
0_0_3923111_30506.cpp:66: error: (Each undeclared identifier is reported only once for each function it appears in.)