0_0_37862714_3365.cpp: In function 'void dfs(int)':
0_0_37862714_3365.cpp:84:20: error: expected unqualified-id before '[' token
for (auto const& [val, id] : req[x]) ans[id] = qry(rt[x], val);
^
0_0_37862714_3365.cpp:84:20: error: expected ';' before '[' token
0_0_37862714_3365.cpp:84:21: error: 'val' was not declared in this scope
for (auto const& [val, id] : req[x]) ans[id] = qry(rt[x], val);
^
0_0_37862714_3365.cpp:84:26: error: 'id' was not declared in this scope
for (auto const& [val, id] : req[x]) ans[id] = qry(rt[x], val);
^
0_0_37862714_3365.cpp: In lambda function:
0_0_37862714_3365.cpp:84:30: error: expected '{' before ':' token
for (auto const& [val, id] : req[x]) ans[id] = qry(rt[x], val);
^
0_0_37862714_3365.cpp: In function 'void dfs(int)':
0_0_37862714_3365.cpp:84:30: error: expected ';' before ':' token
0_0_37862714_3365.cpp:84:30: error: expected primary-expression before ':' token
0_0_37862714_3365.cpp:84:30: error: expected ')' before ':' token
0_0_37862714_3365.cpp:84:30: error: expected primary-expression before ':' token
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