View Compilation Error

0_0_8657763_26050.cpp: In function `void DFS(int, int)':
0_0_8657763_26050.cpp:20: error: `count' undeclared (first use this function)
0_0_8657763_26050.cpp:20: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8657763_26050.cpp: In function `int main()':
0_0_8657763_26050.cpp:43: error: `count' undeclared (first use this function)