func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, cnt;     int i, ln, sz;     string tx;     vector<string> v;     cin >> n;     getchar();     getline(cin, tx);     ln = tx.size();     int s = 0;     for (i = 0; i < (ln); i++)       if (tx[i] ==  .  || tx[i] ==  ?  || tx[i] ==  ! ) {         v.push_back(tx.substr(s, i - s + 1));         if (i + 1 < ln) s = i + 1;       }     cnt = sz = 0;     for (i = 0; i < ((int)v.size()); i++) {       if ((v[i][0] ==     && v[i].size() > n + 1) ||           (v[i][0] !=     && v[i].size() > n)) {         cout <<  Impossible  << endl;         return 0;       }       if (i > 0 && sz + (int)v[i].size() <= n)         sz += (int)v[i].size();       else {         sz = (v[i][0] ==    ) ? (int)v[i].size() - 1 : (int)v[i].size();         cnt++;       }     }     cout << cnt << endl;     return 0;   }   