func_code_string: #include <bits/stdc++.h>   using namespace std;   struct event {     int x, size, val, ent;     bool operator<(const event& rhs) const {       if (x == rhs.x) return ent < rhs.ent;       return x < rhs.x;     }   };   int main() {     ios_base::sync_with_stdio(false), cin.tie(0);     int n, x;     cin >> n >> x;     vector<event> v;     for (int i = 0; i < n; i++) {       int l, r, cost;       cin >> l >> r >> cost;       v.push_back({l, r - l + 1, cost, 0});       v.push_back({r, r - l + 1, cost, 1});     }     sort(v.begin(), v.end());     int ans = 0x7fffffff;     map<int, int> mp;     for (const event& eve : v) {       if (eve.ent == 0) {         auto it = mp.find(x - eve.size);         if (it == mp.end())           continue;         else           ans = min(ans, it->second + eve.val);       } else {         if (mp[eve.size] == 0)           mp[eve.size] = eve.val;         else           mp[eve.size] = min(eve.val, mp[eve.size]);       }     }     if (ans == 0x7fffffff) ans = -1;     cout << ans <<   n ;   }   