제출 #125213

#제출 시각아이디문제언어결과실행 시간메모리
125213SortingSimurgh (IOI17_simurgh)C++14
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h> #include "simurgh.h" using namespace std; //int count_common_roads(vector<int> &r); const int N = 507; const int M = N * (N - 1) / 2 + 1; mt19937 mt; int rnd(int mod){ return mt() % mod; } struct edge{ int from, to, idx, score; edge(); edge(int from, int to, int idx){ this->from = from; this->to = to; this->idx = idx; score = 0; } }; bool cmp(edge lvalue, edge rvalue){ return lvalue.score > rvalue.score; } vector<int> adj[N]; vector<edge> ev; int m, par[N], sz[N], r[M]; void find_par(int u){ if(u == par[u]){ return; } find_par(par[u]); par[u] = par[par[u]]; } bool unite(int u, int v){ find_par(u); find_par(v); if(par[u] == par[v]){ return false; } if(sz[par[u]] < sz[par[v]]){ swap(u, v); } sz[par[u]] += sz[par[v]]; par[par[v]] = par[u]; return true; } vector<int> find_roads(int n, vector<int> u, vector<int> v){ m = (int)u.size(); for(int i = 0; i < m; i++){ //adj[ u[i] ].push_back(v[i]); //adj[ v[i] ].push_back(u[i]); ev.push_back(edge(u[i], v[i], i)); } for(int j = 0; j < 30000; j++){ for(int i = 0; i < n; i++){ par[i] = i; sz[i] = 1; } for(int i = 0; i < m; i++){ ev[i].score = r[ev[i].idx]; } if(j % 10){ random_shuffle(ev.begin(), ev.end(), rnd); } else{ sort(ev.begin(), ev.end()); } vector<int> v; for(edge e: ev){ if(unite(e.from, e.to)){ v.push_back(e.idx); if(v.size() == n - 1){ break; } } } int ans = count_common_roads(v); if(ans == n - 1){ return v; } for(int x: ans){ r[x] += ans; } } }

컴파일 시 표준 에러 (stderr) 메시지

simurgh.cpp: In function 'std::vector<int> find_roads(int, std::vector<int>, std::vector<int>)':
simurgh.cpp:93:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(v.size() == n - 1){
        ~~~~~~~~~^~~~~~~~
simurgh.cpp:105:14: error: 'begin' was not declared in this scope
   for(int x: ans){
              ^~~
simurgh.cpp:105:14: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
                 from simurgh.cpp:1:
/usr/include/c++/7/valarray:1211:5: note:   'std::begin'
     begin(const valarray<_Tp>& __va)
     ^~~~~
/usr/include/c++/7/valarray:1211:5: note:   'std::begin'
simurgh.cpp:105:14: error: 'end' was not declared in this scope
   for(int x: ans){
              ^~~
simurgh.cpp:105:14: note: suggested alternatives:
In file included from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:95:0,
                 from simurgh.cpp:1:
/usr/include/c++/7/valarray:1231:5: note:   'std::end'
     end(const valarray<_Tp>& __va)
     ^~~
/usr/include/c++/7/valarray:1231:5: note:   'std::end'
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h: In instantiation of 'constexpr bool __gnu_cxx::__ops::_Iter_less_iter::operator()(_Iterator1, _Iterator2) const [with _Iterator1 = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Iterator2 = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >]':
/usr/include/c++/7/bits/stl_algo.h:81:17:   required from 'void std::__move_median_to_first(_Iterator, _Iterator, _Iterator, _Iterator, _Compare) [with _Iterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1921:34:   required from '_RandomAccessIterator std::__unguarded_partition_pivot(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1953:38:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1968:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:4836:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >]'
simurgh.cpp:85:29:   required from here
/usr/include/c++/7/bits/predefined_ops.h:43:23: error: no match for 'operator<' (operand types are 'edge' and 'edge')
       { return *__it1 < *__it2; }
                ~~~~~~~^~~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:888:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
     operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:888:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h:43:23: note:   'edge' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
       { return *__it1 < *__it2; }
                ~~~~~~~^~~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:895:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
     operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:895:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h:43:23: note:   'edge' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
       { return *__it1 < *__it2; }
                ~~~~~~~^~~~~~~~
/usr/include/c++/7/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Val_less_iter::operator()(_Value&, _Iterator) const [with _Value = edge; _Iterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >]':
/usr/include/c++/7/bits/stl_algo.h:1828:20:   required from 'void std::__unguarded_linear_insert(_RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Val_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1855:36:   required from 'void std::__insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1885:25:   required from 'void std::__final_insertion_sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1971:31:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:4836:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >]'
simurgh.cpp:85:29:   required from here
/usr/include/c++/7/bits/predefined_ops.h:90:22: error: no match for 'operator<' (operand types are 'edge' and 'edge')
       { return __val < *__it; }
                ~~~~~~^~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:888:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
     operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:888:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h:90:22: note:   'edge' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
       { return __val < *__it; }
                ~~~~~~^~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:895:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
     operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:895:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h:90:22: note:   'edge' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
       { return __val < *__it; }
                ~~~~~~^~~~~~~
/usr/include/c++/7/bits/predefined_ops.h: In instantiation of 'bool __gnu_cxx::__ops::_Iter_less_val::operator()(_Iterator, _Value&) const [with _Iterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Value = edge]':
/usr/include/c++/7/bits/stl_heap.h:133:48:   required from 'void std::__push_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Distance = long int; _Tp = edge; _Compare = __gnu_cxx::__ops::_Iter_less_val]'
/usr/include/c++/7/bits/stl_heap.h:237:23:   required from 'void std::__adjust_heap(_RandomAccessIterator, _Distance, _Distance, _Tp, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Distance = long int; _Tp = edge; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_heap.h:342:22:   required from 'void std::__make_heap(_RandomAccessIterator, _RandomAccessIterator, _Compare&) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1672:23:   required from 'void std::__heap_select(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1933:25:   required from 'void std::__partial_sort(_RandomAccessIterator, _RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1948:27:   required from 'void std::__introsort_loop(_RandomAccessIterator, _RandomAccessIterator, _Size, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Size = long int; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:1968:25:   required from 'void std::__sort(_RandomAccessIterator, _RandomAccessIterator, _Compare) [with _RandomAccessIterator = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >; _Compare = __gnu_cxx::__ops::_Iter_less_iter]'
/usr/include/c++/7/bits/stl_algo.h:4836:18:   required from 'void std::sort(_RAIter, _RAIter) [with _RAIter = __gnu_cxx::__normal_iterator<edge*, std::vector<edge> >]'
simurgh.cpp:85:29:   required from here
/usr/include/c++/7/bits/predefined_ops.h:65:22: error: no match for 'operator<' (operand types are 'edge' and 'edge')
       { return *__it < __val; }
                ~~~~~~^~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:888:5: note: candidate: template<class _IteratorL, class _IteratorR, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_IteratorL, _Container>&, const __gnu_cxx::__normal_iterator<_IteratorR, _Container>&)
     operator<(const __normal_iterator<_IteratorL, _Container>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:888:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h:65:22: note:   'edge' is not derived from 'const __gnu_cxx::__normal_iterator<_IteratorL, _Container>'
       { return *__it < __val; }
                ~~~~~~^~~~~~~
In file included from /usr/include/c++/7/bits/stl_algobase.h:67:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/stl_iterator.h:895:5: note: candidate: template<class _Iterator, class _Container> bool __gnu_cxx::operator<(const __gnu_cxx::__normal_iterator<_Iterator, _Container>&, const __gnu_cxx::__normal_iterator<_Iterator, _Container>&)
     operator<(const __normal_iterator<_Iterator, _Container>& __lhs,
     ^~~~~~~~
/usr/include/c++/7/bits/stl_iterator.h:895:5: note:   template argument deduction/substitution failed:
In file included from /usr/include/c++/7/bits/stl_algobase.h:71:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from simurgh.cpp:1:
/usr/include/c++/7/bits/predefined_ops.h:65:22: note:   'edge' is not derived from 'const __gnu_cxx::__normal_iterator<_Iterator, _Container>'
       { return *__it < __val; }
                ~~~~~~^~~~~~~
simurgh.cpp:109:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^