View Compilation Error

0_0_6020043_12975.cpp:8: error: size of array `hash' is too large
0_0_6020043_12975.cpp: In function `void Init_Hash()':
0_0_6020043_12975.cpp:29: error: `hash' undeclared (first use this function)
0_0_6020043_12975.cpp:29: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6020043_12975.cpp: In function `int bfs()':
0_0_6020043_12975.cpp:46: error: `hash' undeclared (first use this function)