View Compilation Error

0_0_37916328_2692.cpp: In function 'void dfs(int)':
0_0_37916328_2692.cpp:14:15: error: expected unqualified-id before '[' token
     for(auto &[i, w]: g[x])
               ^
0_0_37916328_2692.cpp:14:15: error: expected ';' before '[' token
0_0_37916328_2692.cpp:14:16: error: 'i' was not declared in this scope
     for(auto &[i, w]: g[x])
                ^
0_0_37916328_2692.cpp:14:19: error: 'w' was not declared in this scope
     for(auto &[i, w]: g[x])
                   ^
0_0_37916328_2692.cpp: In lambda function:
0_0_37916328_2692.cpp:14:21: error: expected '{' before ':' token
     for(auto &[i, w]: g[x])
                     ^
0_0_37916328_2692.cpp: In function 'void dfs(int)':
0_0_37916328_2692.cpp:14:21: error: expected ';' before ':' token
0_0_37916328_2692.cpp:14:21: error: expected primary-expression before ':' token
0_0_37916328_2692.cpp:14:21: error: expected ')' before ':' token
0_0_37916328_2692.cpp:14:21: error: expected primary-expression before ':' token