View Compilation Error

0_0_10536637_29672.cpp: In function `void dfs1(int)':
0_0_10536637_29672.cpp:51: error: `count' undeclared (first use this function)
0_0_10536637_29672.cpp:51: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10536637_29672.cpp: In function `int main()':
0_0_10536637_29672.cpp:84: error: `count' undeclared (first use this function)