View Compilation Error

0_0_6762184_5486.cpp: In function `void dfs(int, int)':
0_0_6762184_5486.cpp:43: error: `intj' undeclared (first use this function)
0_0_6762184_5486.cpp:43: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6762184_5486.cpp:43: error: `j' undeclared (first use this function)