View Compilation Error

0_0_37273067_30104.cpp: In function 'int main()':
0_0_37273067_30104.cpp:70:10: error: expected unqualified-id before '[' token
    auto& [l, r, id] = area[i];
          ^
0_0_37273067_30104.cpp:70:10: error: expected initializer before '[' token
0_0_37273067_30104.cpp:71:22: error: 'r' was not declared in this scope
    while (pos + 1 <= r) {
                      ^
0_0_37273067_30104.cpp:81:8: error: 'id' was not declared in this scope
    res[id] = ask(l, r);
        ^
0_0_37273067_30104.cpp:81:18: error: 'l' was not declared in this scope
    res[id] = ask(l, r);
                  ^
0_0_37273067_30104.cpp:81:21: error: 'r' was not declared in this scope
    res[id] = ask(l, r);
                     ^