View Compilation Error

0_0_11910917_31164.cpp: In function `void FindCentroid(int, int)':
0_0_11910917_31164.cpp:92: error: `Iter' undeclared (first use this function)
0_0_11910917_31164.cpp:92: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11910917_31164.cpp:92: error: expected `;' before "it"
0_0_11910917_31164.cpp:92: error: `it' undeclared (first use this function)
0_0_11910917_31164.cpp: In function `void dfs(int, int)':
0_0_11910917_31164.cpp:111: error: `Iter' undeclared (first use this function)
0_0_11910917_31164.cpp:111: error: expected `;' before "it"
0_0_11910917_31164.cpp:111: error: `it' undeclared (first use this function)