Language: C++

#include <cstdio>
#include <cmath>
#include <iostream>
#include <sstream>
#include <string>
#include <vector>
#include <map>
#include <queue>
#include <algorithm>

#ifdef _DEBUG
#define DMP(x) cerr << #x << ": " << x << "\n"
#else
#define DMP(x) ((void)0)
#endif

const int MOD = 1000000007, INF = 1111111111; 
using namespace std;
typedef long long lint;

template<class T = lint>
vector<T> Dijkstra(vector<vector<pair<int, T>>> &edges, int st) {

	int V = edges.size();
	const T INF = numeric_limits<T>::max();
	vector<T> dist(V, INF);
	dist[st] = 0;

	using Pi = pair<T, int>;
	priority_queue<Pi, vector<Pi>, greater<Pi>()> prique;
	prique.emplace(dist[st], st);

	while (!prique.empty()) {
		T cost, int idx;
		tie(cost, idx) = que.top();
		que.pop();

		if (dist[idx] < cost) continue;
		for (auto &e : edges[idx]){
			auto tmp_cost = cost + e.second;
			if (dist[e.first] > tmp_cost) {
				dist[e.first] = tmp_cost;
				que.emplace(dist[e.first], e.first);
			}
 		}
	}

}

int main() {

	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	int N;
	cin >> N;

	int u, v, len;
	vector<vector<pair<int, int>>> edges;

	for (int i = 0; i < N - 1; i++) {
		cin >> u >> v >> len;
		edges[u - 1].emplace_back(make_pair(v - 1, len % 2));
	}

	auto ans = Dijkstra<int>(edges, 0);

	for (const auto& i: ans){
		if (i % 2) cout << '1' << "\n";
		else cout << '0' << "\n";
	}

	return 0;
}

Compiler output:
a.cc: In function 'std::vector<_Tp> Dijkstra(std::vector<std::vector<std::pair<int, T> > >&, int)':
a.cc:34:25: error: expected unqualified-id before 'int'
   34 |                 T cost, int idx;
      |                         ^~~
a.cc:35:27: error: 'idx' was not declared in this scope
   35 |                 tie(cost, idx) = que.top();
      |                           ^~~
a.cc:35:34: error: 'que' was not declared in this scope
   35 |                 tie(cost, idx) = que.top();
      |                                  ^~~
In file included from /usr/include/c++/14/queue:66,
                 from a.cc:8:
/usr/include/c++/14/bits/stl_queue.h: In instantiation of 'class std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int> >, std::greater<std::pair<int, int> >()>':
a.cc:30:48:   required from 'std::vector<_Tp> Dijkstra(std::vector<std::vector<std::pair<int, T> > >&, int) [with T = int]'
   30 |         priority_queue<Pi, vector<Pi>, greater<Pi>()> prique;
      |                                                       ^~~~~~
a.cc:66:26:   required from here
   66 |         auto ans = Dijkstra<int>(edges, 0);
      |                    ~~~~~~~~~~~~~^~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:538:18: error: data member 'std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int> >, std::greater<std::pair<int, int> >()>::comp' invalidly declared function type
  538 |       _Compare   comp;
      |                  ^~~~
a.cc: In instantiation of 'std::vector<_Tp> Dijkstra(std::vector<std::vector<std::pair<int, T> > >&, int) [with T = int]':
a.cc:66:26:   required from here
   66 |         auto ans = Dijkstra<int>(edges, 0);
      |                    ~~~~~~~~~~~~~^~~~~~~~~~
a.cc:30:55: error: no matching function for call to 'std::priority_queue<std::pair<int, int>, std::vector<std::pair<int, int> >, std::greater<std::pair<int, int> >()>::priority_queue()'
   30 |         priority_queue<Pi, vector<Pi>, greater<Pi>()> prique;
      |                                                       ^~~~~~
/usr/include/c++/14/bits/stl_queue.h:691:9: note: candidate: 'template<class _InputIterator, class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Compare&, _Sequence&&, const _Alloc&) [with _Alloc = _InputIterator; _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  691 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:691:9: note:   candidate expects 5 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:679:9: note: candidate: 'template<class _InputIterator, class _Alloc, class, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Compare&, const _Sequence&, const _Alloc&) [with _Alloc = _InputIterator; <template-parameter-2-3> = _Alloc; _Requires = <template-parameter-1-3>; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  679 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:679:9: note:   candidate expects 5 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:671:9: note: candidate: 'template<class _InputIterator, class _Alloc, class, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Compare&, const _Alloc&) [with _Alloc = _InputIterator; <template-parameter-2-3> = _Alloc; _Requires = <template-parameter-1-3>; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  671 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:671:9: note:   candidate expects 4 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:663:9: note: candidate: 'template<class _InputIterator, class _Alloc, class, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Alloc&) [with _Alloc = _InputIterator; <template-parameter-2-3> = _Alloc; _Requires = <template-parameter-1-3>; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  663 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:663:9: note:   candidate expects 3 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:649:9: note: candidate: 'template<class _InputIterator, class> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Compare&, _Sequence&&) [with <template-parameter-2-2> = _InputIterator; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  649 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:649:9: note:   candidate expects 4 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:638:9: note: candidate: 'template<class _InputIterator, class> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Compare&, const _Sequence&) [with <template-parameter-2-2> = _InputIterator; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  638 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:638:9: note:   candidate expects 4 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:629:9: note: candidate: 'template<class _InputIterator, class> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(_InputIterator, _InputIterator, const _Compare&) [with <template-parameter-2-2> = _InputIterator; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  629 |         priority_queue(_InputIterator __first, _InputIterator __last,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:629:9: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:594:9: note: candidate: 'template<class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(std::priority_queue<_Tp, _Sequence, _Compare>&&, const _Alloc&) [with _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  594 |         priority_queue(priority_queue&& __q, const _Alloc& __a)
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:594:9: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:590:9: note: candidate: 'template<class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const std::priority_queue<_Tp, _Sequence, _Compare>&, const _Alloc&) [with _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  590 |         priority_queue(const priority_queue& __q, const _Alloc& __a)
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:590:9: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:585:9: note: candidate: 'template<class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Compare&, _Sequence&&, const _Alloc&) [with _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  585 |         priority_queue(const _Compare& __x, _Sequence&& __c, const _Alloc& __a)
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:585:9: note:   candidate expects 3 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:579:9: note: candidate: 'template<class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Compare&, const _Sequence&, const _Alloc&) [with _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  579 |         priority_queue(const _Compare& __x, const _Sequence& __c,
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:579:9: note:   candidate expects 3 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:573:9: note: candidate: 'template<class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Compare&, const _Alloc&) [with _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  573 |         priority_queue(const _Compare& __x, const _Alloc& __a)
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:573:9: note:   candidate expects 2 arguments, 0 provided
/usr/include/c++/14/bits/stl_queue.h:569:9: note: candidate: 'template<class _Alloc, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue(const _Alloc&) [with _Requires = _Alloc; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  569 |         priority_queue(const _Alloc& __a)
      |         ^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_queue.h:569:9: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/stl_queue.h:554:9: note: candidate: 'template<class _Seq, class _Requires> std::priority_queue<_Tp, _Sequence, _Compare>::priority_queue() [with _Requires = _Seq; _Tp = std::pair<int, int>; _Sequence = std::vector<std::pair<int, int> >; _Compare = std::greater<std::pair<int, int> >()]'
  554 |         priority_queue()