func_code_string: #include <bits/stdc++.h>   using namespace std;   const int N = (int)2e6 + 10;   vector<int> a[N];   vector<int> pos[N];   string ans;   int n;   string s[N];   int m;   vector<int> cur;   int cnt[N];   int main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     memset(cnt, 0, sizeof(cnt));     m = 0;     cin >> n;     for (int i = 1; i <= n; i++) {       cin >> s[i];       int len = s[i].length();       int k;       cin >> k;       while (k--) {         int p;         cin >> p;         p--;         m = max(m, p + len);         a[p].push_back(i);         a[p + len].push_back(-i);         pos[i].push_back(p);       }     }     ans.resize(m);     for (int i = 0; i < m; i++) {       for (int x : a[i]) {         if (x > 0) {           cur.push_back(x);           cnt[x]++;         } else {           cnt[-x]--;         }       }       while (!cur.empty() && cnt[cur.back()] == 0) cur.pop_back();       if (cur.empty())         ans[i] =  a ;       else {         int id = cur.back();         auto it = upper_bound(pos[id].begin(), pos[id].end(), i);         it--;         int p = *it;         if (i - p >= (int)s[id].length()) continue;         ans[i] = s[id][i - p];       }     }     cout << ans << endl;     return 0;   }   