View Compilation Error

0_0_11363889_7802.cpp:8: error: size of array `parent' is too large
0_0_11363889_7802.cpp: In function `int main()':
0_0_11363889_7802.cpp:19: error: `parent' undeclared (first use this function)
0_0_11363889_7802.cpp:19: error: (Each undeclared identifier is reported only once for each function it appears in.)