View Compilation Error

0_0_18810574_23418.cpp: In function 'void dfs(int, int)':
0_0_18810574_23418.cpp:32:24: error: expected primary-expression at end of input
     while (Next[pr]!=-1&
                        ^
0_0_18810574_23418.cpp:32:24: error: expected ')' at end of input
0_0_18810574_23418.cpp:32:24: error: expected statement at end of input
0_0_18810574_23418.cpp:32:24: error: expected '}' at end of input