func_code_string: #include <bits/stdc++.h>   using namespace std;   bool comp(pair<int, pair<int, int> > a, pair<int, pair<int, int> > b) {     return a.first < b.first;   }   int main() {     int n, k;     cin >> n >> k;     vector<pair<int, pair<int, int> > > book;     for (int i = 0; i < n; i++) {       pair<int, pair<int, int> > temp;       cin >> temp.first >> temp.second.first >> temp.second.second;       book.push_back(temp);     }     stack<int> alice, bob, both;     sort(book.begin(), book.end(), comp);     for (int i = 0; i < n; i++) {       int t = book[i].first;       bool a = book[i].second.first;       bool b = book[i].second.second;       if (a && b) {         int t1 = 0, t2 = 0;         if (!alice.empty()) {           t1 = alice.top();         }         if (!bob.empty()) {           t2 = bob.top();         }         if (t1 + t2 >= t) {           both.push(t);           if (alice.size() + both.size() > k) {             alice.pop();           }           if (bob.size() + both.size() > k) {             bob.pop();           }         } else {           if (alice.size() + bob.size() + 2 * both.size() < 2 * k) {             both.push(t);           }           if (alice.size() + both.size() > k) {             alice.pop();           }           if (bob.size() + both.size() > k) {             bob.pop();           }         }       } else if (a) {         if (alice.size() + both.size() < k) {           alice.push(t);         }       } else if (b) {         if (bob.size() + both.size() < k) {           bob.push(t);         }       }     }     if (alice.size() + bob.size() + 2 * both.size() < 2 * k) {       cout << -1 << endl;     } else {       int ans = 0;       while (!alice.empty()) {         ans += alice.top();         alice.pop();       }       while (!bob.empty()) {         ans += bob.top();         bob.pop();       }       while (!both.empty()) {         ans += both.top();         both.pop();       }       cout << ans << endl;     }   }   