View Compilation Error

0_0_11023747_9116.cpp:715: error: stray '`' in program
0_0_11023747_9116.cpp: In function `int main()':
0_0_11023747_9116.cpp:98: error: `part' undeclared (first use this function)
0_0_11023747_9116.cpp:98: error: (Each undeclared identifier is reported only once for each function it appears in.)