func_code_string: #include <bits/stdc++.h>   using namespace std;   class Data {    public:     int l, r, num;     Data() {}     Data(int a, int b, int c) {       l = a;       r = b;       num = c;     }     bool operator<(const Data& a) const { return l < a.r; }   };   vector<Data> a;   int main() {     int L, b, f, n, q, k;     cin >> L >> b >> f >> n;     for (int(qwe) = 0; (qwe) < (n); ++(qwe)) {       cin >> q >> k;       if (q == 2) {         for (__typeof((a).begin()) i = (a).begin(); i != (a).end(); ++i)           if (i->num == k) {             a.erase(i);             break;           }       } else {         bool ok = 0;         int l = 0;         int r = L - k;         if (!a.empty()) r = a[0].l - k - f;         if (l <= r) {           a.insert(a.begin(), Data(l, l + k, qwe + 1));           cout << l << endl;           continue;         }         for (int i = 0; i < ((int)(a).size()) - 1; ++i)           if (a[i].r + b <= a[i + 1].l - f - k) {             cout << a[i].r + b << endl;             a.insert(a.begin() + i + 1,                      Data(a[i].r + b, a[i].r + b + k, qwe + 1));             ok = 1;             break;           }         if (ok) continue;         r = L - k;         l = 0;         if (!a.empty()) l = a.back().r + b;         if (l <= r) {           a.push_back(Data(l, l + k, qwe + 1));           cout << l << endl;         } else           cout <<  -1 n ;       }     }     return 0;   }   