Submission #1321408

#	Time	Username	Problem	Language	Result	Execution time	Memory
1321408		spetr	Race (IOI11_race)	C++20	Compilation error	0 ms	0 KiB

race

#include <bits/stdc++.h>
#include "race.h"

using namespace std;

#define ll long long
const ll mmod = 998244353;  
#define vl vector<long long>
#define vll vector<vector<long long>>
#define pl pair<long long, long long>
#define vb vector<bool>

vector<vector<pl>> graf;
vb center;
vl sizes;
ll minimum = 1e15;

ll getsize(ll v, ll u){
    ll s = 1;
    for (auto x : graf[v]){
        if (center[x.first] == false && x.first != u){
            s += getsize(x.first, v);
        }
    }
    sizes[v] = s;
    return s;
}

ll findcentroid(ll v, ll u, ll n){
    ll a = 1;
    for (auto x : graf[v]){
        if (center[x.first] == false && x.first != u){
            a = findcentroid(x.first, v, n);
            if (a!=-1){
                return a;
            }
        }
    }
    if (sizes[v] >= n/2){
        return v;
    }
    else{
        return -1;
    }
}

void dists(ll v, ll u, ll d, ll depth, vector<pl>& dist, ll k){
    for (auto x : graf[v]){
        if (center[x.first] == false && x.first != u){
            if (d + x.second <= k){
                dist.push_back({d + x.second, depth});
                dists(x.first, v, d + x.second, depth + 1, dist, k);
            }
        }
    }
}

void decompose(ll v, ll k){
    ll comp = getsize(v,-1);
    ll c = findcentroid(v, -1, comp);
    center[c] = true;

    vector<pl> dist {0,0};
    for (auto x : graf[c]){
        vector<pl> newdist;
        if (center[x.first] == false){
            dists(c, -1, 0, 0, newdist, k);
        }
        sort(newdist.begin(), newdist.end());
        ll l = 0;
        ll r = newdist.size()-1;
        while (l < dist.size() && r >= 0){
            ll suma = dist[l].first + newdist[r].first;
            if (suma == k){
                minimum = min(minimum, dist[l].second + dist[r].second);
                r--;
            }
            if (suma < k){
                l++;
            }
            else{
                r--;
            }
        }
        if (dist.size() < newdist.size()){
            swap(dist, newdist);
        }
        for (ll i = 0; i < newdist.size(); i++){
            dist.push_back(newdist[i]);
        }
        sort(dist.begin(), dist.end());
        
    }
}

ll best_path(ll N, ll K, vll H, vl L){
    ll n = N; ll k = K;

    graf.resize(n);
    center.resize(n, false);
    sizes.resize(n,0);
    for (ll i = 0; i < n-1; i++){
        ll a,b;
        a = H[i][0]; b = H[i][1];
        ll c = L[i];
        graf[a].push_back({b,c});
        graf[b].push_back({a,c});

    }
    decompose(0, k);
    return minimum;
}

Compilation message (stderr)

race.cpp: In function 'void decompose(long long int, long long int)':
race.cpp:63:25: error: no matching function for call to 'std::vector<std::pair<long long int, long long int> >::vector(<brace-enclosed initializer list>)'
   63 |     vector<pl> dist {0,0};
      |                         ^
In file included from /usr/include/c++/13/vector:66,
                 from /usr/include/c++/13/functional:64,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:53,
                 from race.cpp:1:
/usr/include/c++/13/bits/stl_vector.h:707:9: note: candidate: 'template<class _InputIterator, class> constexpr std::vector<_Tp, _Alloc>::vector(_InputIterator, _InputIterator, const allocator_type&) [with <template-parameter-2-2> = _InputIterator; _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  707 |         vector(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:707:9: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/13/bits/stl_algobase.h:65,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51:
/usr/include/c++/13/bits/stl_iterator_base_types.h: In substitution of 'template<class _InIter> using std::_RequireInputIter = std::__enable_if_t<std::is_convertible<typename std::iterator_traits< <template-parameter-1-1> >::iterator_category, std::input_iterator_tag>::value> [with _InIter = int]':
/usr/include/c++/13/bits/stl_vector.h:705:9:   required from here
/usr/include/c++/13/bits/stl_iterator_base_types.h:250:11: error: no type named 'iterator_category' in 'struct std::iterator_traits<int>'
  250 |     using _RequireInputIter =
      |           ^~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:678:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(std::initializer_list<_Tp>, const allocator_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; allocator_type = std::allocator<std::pair<long long int, long long int> >]'
  678 |       vector(initializer_list<value_type> __l,
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:678:43: note:   no known conversion for argument 1 from 'int' to 'std::initializer_list<std::pair<long long int, long long int> >'
  678 |       vector(initializer_list<value_type> __l,
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/13/bits/stl_vector.h:659:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, std::__type_identity_t<_Alloc>&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::__type_identity_t<_Alloc> = std::allocator<std::pair<long long int, long long int> >]'
  659 |       vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:659:23: note:   no known conversion for argument 1 from 'int' to 'std::vector<std::pair<long long int, long long int> >&&'
  659 |       vector(vector&& __rv, const __type_identity_t<allocator_type>& __m)
      |              ~~~~~~~~~^~~~
/usr/include/c++/13/bits/stl_vector.h:640:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::false_type) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; allocator_type = std::allocator<std::pair<long long int, long long int> >; std::false_type = std::integral_constant<bool, false>]'
  640 |       vector(vector&& __rv, const allocator_type& __m, false_type)
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:640:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/13/bits/stl_vector.h:635:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&, const allocator_type&, std::true_type) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; allocator_type = std::allocator<std::pair<long long int, long long int> >; std::true_type = std::integral_constant<bool, true>]'
  635 |       vector(vector&& __rv, const allocator_type& __m, true_type) noexcept
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:635:7: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/13/bits/stl_vector.h:624:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&, std::__type_identity_t<_Alloc>&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; std::__type_identity_t<_Alloc> = std::allocator<std::pair<long long int, long long int> >]'
  624 |       vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:624:28: note:   no known conversion for argument 1 from 'int' to 'const std::vector<std::pair<long long int, long long int> >&'
  624 |       vector(const vector& __x, const __type_identity_t<allocator_type>& __a)
      |              ~~~~~~~~~~~~~~^~~
/usr/include/c++/13/bits/stl_vector.h:620:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(std::vector<_Tp, _Alloc>&&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  620 |       vector(vector&&) noexcept = default;
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:620:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/13/bits/stl_vector.h:601:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(const std::vector<_Tp, _Alloc>&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  601 |       vector(const vector& __x)
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:601:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/13/bits/stl_vector.h:569:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(size_type, const value_type&, const allocator_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; size_type = long unsigned int; value_type = std::pair<long long int, long long int>; allocator_type = std::allocator<std::pair<long long int, long long int> >]'
  569 |       vector(size_type __n, const value_type& __value,
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:569:47: note:   no known conversion for argument 2 from 'int' to 'const std::vector<std::pair<long long int, long long int> >::value_type&' {aka 'const std::pair<long long int, long long int>&'}
  569 |       vector(size_type __n, const value_type& __value,
      |                             ~~~~~~~~~~~~~~~~~~^~~~~~~
/usr/include/c++/13/bits/stl_vector.h:556:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(size_type, const allocator_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; size_type = long unsigned int; allocator_type = std::allocator<std::pair<long long int, long long int> >]'
  556 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:556:51: note:   no known conversion for argument 2 from 'int' to 'const std::vector<std::pair<long long int, long long int> >::allocator_type&' {aka 'const std::allocator<std::pair<long long int, long long int> >&'}
  556 |       vector(size_type __n, const allocator_type& __a = allocator_type())
      |                             ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_vector.h:542:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector(const allocator_type&) [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >; allocator_type = std::allocator<std::pair<long long int, long long int> >]'
  542 |       vector(const allocator_type& __a) _GLIBCXX_NOEXCEPT
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:542:7: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/13/bits/stl_vector.h:531:7: note: candidate: 'constexpr std::vector<_Tp, _Alloc>::vector() [with _Tp = std::pair<long long int, long long int>; _Alloc = std::allocator<std::pair<long long int, long long int> >]'
  531 |       vector() = default;
      |       ^~~~~~
/usr/include/c++/13/bits/stl_vector.h:531:7: note:   candidate expects 0 arguments, 2 provided