0_0_38214594_18513.cpp: In function 'void DFS(int, int, int)':
0_0_38214594_18513.cpp:17:12: error: expected unqualified-id before '[' token
for (auto [u,v]:e[x]) if (u!=pre) DFS(u,x,v);
^
0_0_38214594_18513.cpp:17:12: error: expected ';' before '[' token
0_0_38214594_18513.cpp:17:13: error: 'u' was not declared in this scope
for (auto [u,v]:e[x]) if (u!=pre) DFS(u,x,v);
^
0_0_38214594_18513.cpp:17:15: error: 'v' was not declared in this scope
for (auto [u,v]:e[x]) if (u!=pre) DFS(u,x,v);
^
0_0_38214594_18513.cpp: In lambda function:
0_0_38214594_18513.cpp:17:17: error: expected '{' before ':' token
for (auto [u,v]:e[x]) if (u!=pre) DFS(u,x,v);
^
0_0_38214594_18513.cpp: In function 'void DFS(int, int, int)':
0_0_38214594_18513.cpp:17:17: error: expected ';' before ':' token
0_0_38214594_18513.cpp:17:17: error: expected primary-expression before ':' token
0_0_38214594_18513.cpp:17:17: error: expected ')' before ':' token
0_0_38214594_18513.cpp:17:17: error: expected primary-expression before ':' token
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