0_0_33071663_24141.cpp:30:29: error: expected ',' or '...' before '%' token
void dfs_1(int u, int fa%
^
0_0_33071663_24141.cpp:30:29: error: expected ')' at end of input
0_0_33071663_24141.cpp:30:29: error: expected ';' at end of member declaration
0_0_33071663_24141.cpp:30:29: error: expected '}' at end of input
0_0_33071663_24141.cpp:30:29: error: expected unqualified-id at end of input
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