View Compilation Error

0_0_6178963_2181.cpp: In function `void init()':
0_0_6178963_2181.cpp:38: error: `count' undeclared (first use this function)
0_0_6178963_2181.cpp:38: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6178963_2181.cpp: In function `int spfa(int)':
0_0_6178963_2181.cpp:60: error: `count' undeclared (first use this function)