0_0_37801645_22331.cpp: In function 'void dfs(int, int)':
0_0_37801645_22331.cpp:59:11: error: expected unqualified-id before '[' token
for(auto [v,w]:a[u]) if(v!=fu){
^
0_0_37801645_22331.cpp:59:11: error: expected ';' before '[' token
0_0_37801645_22331.cpp:59:12: error: 'v' was not declared in this scope
for(auto [v,w]:a[u]) if(v!=fu){
^
0_0_37801645_22331.cpp:59:14: error: 'w' was not declared in this scope
for(auto [v,w]:a[u]) if(v!=fu){
^
0_0_37801645_22331.cpp: In lambda function:
0_0_37801645_22331.cpp:59:16: error: expected '{' before ':' token
for(auto [v,w]:a[u]) if(v!=fu){
^
0_0_37801645_22331.cpp: In function 'void dfs(int, int)':
0_0_37801645_22331.cpp:59:16: error: expected ';' before ':' token
0_0_37801645_22331.cpp:59:16: error: expected primary-expression before ':' token
0_0_37801645_22331.cpp:59:16: error: expected ')' before ':' token
0_0_37801645_22331.cpp:59:16: error: expected primary-expression before ':' token
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