View Compilation Error

0_0_38017258_32243.cpp: In function 'void solve()':
0_0_38017258_32243.cpp:56:14: error: expected unqualified-id before '[' token
    for(auto &[l, id] : q[i])
              ^
0_0_38017258_32243.cpp:56:14: error: expected ';' before '[' token
0_0_38017258_32243.cpp:56:15: error: 'l' was not declared in this scope
    for(auto &[l, id] : q[i])
               ^
0_0_38017258_32243.cpp:56:18: error: 'id' was not declared in this scope
    for(auto &[l, id] : q[i])
                  ^
0_0_38017258_32243.cpp: In lambda function:
0_0_38017258_32243.cpp:56:22: error: expected '{' before ':' token
    for(auto &[l, id] : q[i])
                      ^
0_0_38017258_32243.cpp: In function 'void solve()':
0_0_38017258_32243.cpp:56:22: error: expected ';' before ':' token
0_0_38017258_32243.cpp:56:22: error: expected primary-expression before ':' token
0_0_38017258_32243.cpp:56:22: error: expected ')' before ':' token
0_0_38017258_32243.cpp:56:22: error: expected primary-expression before ':' token