Submission #1059378

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1059378	2024-08-14T22:09:13 Z	MilosMilutinovic	Potemkin cycle (CEOI15_indcyc)	C++14	Compilation error	0 ms	0 KB

indcyc

#include <bits/stdc++.h>
 
using namespace std;
 
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, m;
  cin >> n >> m; 
  const int N = 1005;
  vector<vector<bool>> c(n, vector<bool>(n));
  vector<bitset<N>> cb(n);
  vector<vector<int>> g(n);
  for (int i = 0; i < m; i++) {
    int x, y;
    cin >> x >> y;
    --x; --y;
    c[x][y] = true;
    c[y][x] = true;
    g[x].push_back(y);
    g[y].push_back(x);
    cb[x][y] = 1;
    cb[y][x] = 1;
  }
  auto Solve = [&](int i, int j, int k) {
    vector<bool> del(n);
    del[k] = true;
    for (int p : g[k]) {
      if (p != i && p != j) {
        del[p] = true;
      }
    }
    vector<int> p(n, -1);
    vector<int> que(1, i);
    vector<int> d(n, -1);
    d[i] = 0;
    for (int b = 0; b < (int) que.size(); b++) {
      int i = que[b];
      for (int j : g[i]) {
        if (del[j]) {
          continue;
        }
        if (d[j] == -1) {
          p[j] = i;
          d[j] = d[i] + 1;
          que.push_back(j);
        }
      }
    }
    vector<int> seq;
    for (int v = j; v != -1; v = p[v]) {
      seq.push_back(v);
    }
    seq.push_back(k);
    for (int i = 0; i < (int) seq.size(); i++) {
      cout << seq[i] + 1 << " ";
    }
    cout << '\n';
  };
  mt19937 rng(time(0));
  vector<int> order(n);
  iota(order.begin(), order.end(), 0);
  shuffle(order.begin(), order.end(), rng);
  for (int k : order) {
    vector<bool> del(n);
    del[k] = true;
    for (int i : g[k]) {
      del[i] = true;
    }
    vector<int> p(n);
    iota(p.begin(), p.end(), 0);
    vector<int> sz(n, 1);
    function<int(int)> Root = [&](int x) {
      return p[x] == x ? x : p[x] = Root(p[x]);
    };
    auto Merge = [&](int x, int y) {
      x = Root(x);
      y = Root(y);
      if (x == y) {
        return;
      }
      if (sz[x] < sz[y]) {
        swap(x, y);
      }
      sz[x] += sz[y];
      p[y] = x;
    };
    for (int i = 0; i < n; i++) {
      if (del[i]) {
        continue;
      }
      for (int j : g[i]) {
        if (del[j]) {
          continue;
        }
        Merge(i, j);
      }
    }
    vector<vector<int>> ids(n);
    for (int i = 0; i < n; i++) {
      if (!c[i][k]) {
        continue;
      }
      for (int j : g[i]) {
        if (del[j]) {
          continue;
        }
        ids[Root(j)].push_back(i);
      }
    }
    for (int i = 0; i < n; i++) {
      sort(ids[i].begin(), ids[i].end());
      ids[i].erase(unique(ids[i].begin(), ids[i].end()), ids[i].end());
      sort(ids[i].begin(), ids[i].end(), [&](int i, int j) {
        return (int) g[i].size() > (int) g[j].size();
      });
      if ((int) ids[i].size() >= 100) {
        bitset<N> bs;
        int sz = (int) ids[i].size();
        bool found = false;
        for (int x = 0; x < sz; x++) {
          if ((cb[ids[i][x]] & bs) != bs) {
            found = true;
            break;
          }
          bs[ids[i][x]] = 1;
        }
        if (!found) {
          continue;
        }
      }
      for (int x = 0; x < sz; x++) {
        for (int y = x + 1; y < sz; y++) {
          if (!c[ids[i][x]][ids[i][y]]) {
            Solve(ids[i][x], ids[i][y], k);
            return 0;
          }
        }
      }
    }
  }
  cout << "no" << '\n';
  return 0;
}

Compilation message

indcyc.cpp: In function 'int main()':
indcyc.cpp:132:25: error: no match for 'operator<' (operand types are 'int' and 'std::vector<int>')
  132 |       for (int x = 0; x < sz; x++) {
      |                       ~ ^ ~~
      |                       |   |
      |                       int std::vector<int>
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1075:5: note: candidate: 'template<class _BiIter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const std::__cxx11::sub_match<_BiIter>&)'
 1075 |     operator<(const sub_match<_BiIter>& __lhs, const sub_match<_BiIter>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1075:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1156:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&, const std::__cxx11::sub_match<_BiIter>&)'
 1156 |     operator<(const __sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1156:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1249:5: note: candidate: 'template<class _Bi_iter, class _Ch_traits, class _Ch_alloc> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, std::__cxx11::__sub_match_string<_Bi_iter, _Ch_traits, _Ch_alloc>&)'
 1249 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1249:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1323:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type*, const std::__cxx11::sub_match<_BiIter>&)'
 1323 |     operator<(typename iterator_traits<_Bi_iter>::value_type const* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1323:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1417:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type*)'
 1417 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1417:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1492:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const typename std::iterator_traits<_Iter>::value_type&, const std::__cxx11::sub_match<_BiIter>&)'
 1492 |     operator<(typename iterator_traits<_Bi_iter>::value_type const& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1492:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   'std::vector<int>' is not derived from 'const std::__cxx11::sub_match<_BiIter>'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/regex:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:110,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/regex.h:1592:5: note: candidate: 'template<class _Bi_iter> bool std::__cxx11::operator<(const std::__cxx11::sub_match<_BiIter>&, const typename std::iterator_traits<_Iter>::value_type&)'
 1592 |     operator<(const sub_match<_Bi_iter>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/regex.h:1592:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::__cxx11::sub_match<_BiIter>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/stl_algobase.h:64,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/stl_pair.h:489:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const std::pair<_T1, _T2>&, const std::pair<_T1, _T2>&)'
  489 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_pair.h:489:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::pair<_T1, _T2>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:366:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_Iterator>&)'
  366 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:366:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:404:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::reverse_iterator<_Iterator>&, const std::reverse_iterator<_IteratorR>&)'
  404 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:404:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note: candidate: 'template<class _IteratorL, class _IteratorR> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorR>&)'
 1451 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1451:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/stl_algobase.h:67,
                 from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note: candidate: 'template<class _Iterator> bool std::operator<(const std::move_iterator<_IteratorL>&, const std::move_iterator<_IteratorL>&)'
 1507 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_iterator.h:1507:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::move_iterator<_IteratorL>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6267:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6267 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6267:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6280:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&, const _CharT*)'
 6280 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6280:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/string:55,
                 from /usr/include/c++/10/bits/locale_classes.h:40,
                 from /usr/include/c++/10/bits/ios_base.h:41,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/basic_string.h:6292:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const _CharT*, const std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)'
 6292 |     operator<(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/10/bits/basic_string.h:6292:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const _CharT*' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/ios_base.h:46,
                 from /usr/include/c++/10/ios:42,
                 from /usr/include/c++/10/istream:38,
                 from /usr/include/c++/10/sstream:38,
                 from /usr/include/c++/10/complex:45,
                 from /usr/include/c++/10/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:54,
                 from indcyc.cpp:1:
/usr/include/c++/10/system_error:252:3: note: candidate: 'bool std::operator<(const std::error_code&, const std::error_code&)'
  252 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |   ^~~~~~~~
/usr/include/c++/10/system_error:252:31: note:   no known conversion for argument 1 from 'int' to 'const std::error_code&'
  252 |   operator<(const error_code& __lhs, const error_code& __rhs) noexcept
      |             ~~~~~~~~~~~~~~~~~~^~~~~
/usr/include/c++/10/system_error:379:3: note: candidate: 'bool std::operator<(const std::error_condition&, const std::error_condition&)'
  379 |   operator<(const error_condition& __lhs,
      |   ^~~~~~~~
/usr/include/c++/10/system_error:379:36: note:   no known conversion for argument 1 from 'int' to 'const std::error_condition&'
  379 |   operator<(const error_condition& __lhs,
      |             ~~~~~~~~~~~~~~~~~~~~~~~^~~~~
In file included from /usr/include/c++/10/deque:67,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:68,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/stl_deque.h:2279:5: note: candidate: 'template<class _Tp, class _Alloc> bool std::operator<(const std::deque<_Tp, _Alloc>&, const std::deque<_Tp, _Alloc>&)'
 2279 |     operator<(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y)
      |     ^~~~~~~~
/usr/include/c++/10/bits/stl_deque.h:2279:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::deque<_Tp, _Alloc>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/tuple:39,
                 from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from indcyc.cpp:1:
/usr/include/c++/10/array:284:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> bool std::operator<(const std::array<_Tp, _Nm>&, const std::array<_Tp, _Nm>&)'
  284 |     operator<(const array<_Tp, _Nm>& __a, const array<_Tp, _Nm>& __b)
      |     ^~~~~~~~
/usr/include/c++/10/array:284:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::array<_Tp, _Nm>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/functional:54,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:71,
                 from indcyc.cpp:1:
/usr/include/c++/10/tuple:1435:5: note: candidate: 'template<class ... _TElements, class ... _UElements> constexpr bool std::operator<(const std::tuple<_Tps ...>&, const std::tuple<_Elements ...>&)'
 1435 |     operator<(const tuple<_TElements...>& __t,
      |     ^~~~~~~~
/usr/include/c++/10/tuple:1435:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::tuple<_Tps ...>' and 'int'
  132 |       for (int x = 0; x < sz; x++) {
      |                           ^~
In file included from /usr/include/c++/10/bits/locale_conv.h:41,
                 from /usr/include/c++/10/locale:43,
                 from /usr/include/c++/10/iomanip:43,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:72,
                 from indcyc.cpp:1:
/usr/include/c++/10/bits/unique_ptr.h:795:5: note: candidate: 'template<class _Tp, class _Dp, class _Up, class _Ep> bool std::operator<(const std::unique_ptr<_Tp, _Dp>&, const std::unique_ptr<_Up, _Ep>&)'
  795 |     operator<(const unique_ptr<_Tp, _Dp>& __x,
      |     ^~~~~~~~
/usr/include/c++/10/bits/unique_ptr.h:795:5: note:   template argument deduction/substitution failed:
indcyc.cpp:132:27: note:   mismatched types 'const std::unique_ptr<_Tp, _Dp>' an