답안 #588210

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
588210 2022-07-02T19:27:03 Z MilosMilutinovic Magenta (COCI21_magenta) C++14
컴파일 오류
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/**
 *    author:  wxhtzdy
 *    created: 02.07.2022 21:03:17
**/
#include <bits/stdc++.h>

using namespace std;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);  
  int n;
  cin >> n;
  int a, b;
  cin >> a >> b;
  --a; --b;
  vector<pair<int, int>> g(n);
  for (int i = 0; i < n - 1; i++) {
    int u, v;
    cin >> u >> v;
    string foo;
    cin >> foo;
    --u; --v;
    int t;
    if (foo == "plava") {
      t = 0;
    } else if (foo == "magenta") {
      t = 1;      
    } else {
      t = 2;
    }
    g[u].emplace_back(v, t);
    g[v].emplace_back(u, t);
  }
  vector<int> dep(n);
  function<void(int, int)> Dfs = [&](int v, int pr) {
    dep[v] = dep[pr] + 1;
    for (auto& e : g[v]) {
      int u = e.first;
      if (u == pr) {
        continue;
      }
      Dfs(u, v);
    }
  };
  Dfs(0, 0);
  int x = a, y = b, dis = 0;
  while (x != y) {
    if (dep[x] > dep[y]) {
      x = par[x];
    } else {
      y = par[y];
    }
    dis += 1;
  }
  cout << (dis % 2 == 0 ? "Marin" : "Paula") << '\n';                                                        
  return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:32:10: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'emplace_back'
   32 |     g[u].emplace_back(v, t);
      |          ^~~~~~~~~~~~
Main.cpp:33:10: error: '__gnu_cxx::__alloc_traits<std::allocator<std::pair<int, int> >, std::pair<int, int> >::value_type' {aka 'struct std::pair<int, int>'} has no member named 'emplace_back'
   33 |     g[v].emplace_back(u, t);
      |          ^~~~~~~~~~~~
Main.cpp: In lambda function:
Main.cpp:38:23: error: no matching function for call to 'begin(std::pair<int, int>&)'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/c++/10/bits/range_access.h:36,
                 from /usr/include/c++/10/string:54,
                 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 Main.cpp:5:
/usr/include/c++/10/initializer_list:90:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::begin(std::initializer_list<_Tp>)'
   90 |     begin(initializer_list<_Tp> __ils) noexcept
      |     ^~~~~
/usr/include/c++/10/initializer_list:90:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   'std::pair<int, int>' is not derived from 'std::initializer_list<_Tp>'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/c++/10/string:54,
                 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 Main.cpp:5:
/usr/include/c++/10/bits/range_access.h:51:5: note: candidate: 'template<class _Container> decltype (__cont.begin()) std::begin(_Container&)'
   51 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |     ^~~~~
/usr/include/c++/10/bits/range_access.h:51:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.begin()) std::begin(_Container&) [with _Container = std::pair<int, int>]':
Main.cpp:38:23:   required from here
/usr/include/c++/10/bits/range_access.h:51:50: error: 'struct std::pair<int, int>' has no member named 'begin'
   51 |     begin(_Container& __cont) -> decltype(__cont.begin())
      |                                           ~~~~~~~^~~~~
/usr/include/c++/10/bits/range_access.h:61:5: note: candidate: 'template<class _Container> decltype (__cont.begin()) std::begin(const _Container&)'
   61 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |     ^~~~~
/usr/include/c++/10/bits/range_access.h:61:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.begin()) std::begin(const _Container&) [with _Container = std::pair<int, int>]':
Main.cpp:38:23:   required from here
/usr/include/c++/10/bits/range_access.h:61:56: error: 'const struct std::pair<int, int>' has no member named 'begin'
   61 |     begin(const _Container& __cont) -> decltype(__cont.begin())
      |                                                 ~~~~~~~^~~~~
/usr/include/c++/10/bits/range_access.h:90:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::begin(_Tp (&)[_Nm])'
   90 |     begin(_Tp (&__arr)[_Nm])
      |     ^~~~~
/usr/include/c++/10/bits/range_access.h:90:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   mismatched types '_Tp [_Nm]' and 'std::pair<int, int>'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Main.cpp:5:
/usr/include/c++/10/valarray:1214:5: note: candidate: 'template<class _Tp> _Tp* std::begin(std::valarray<_Tp>&)'
 1214 |     begin(valarray<_Tp>& __va)
      |     ^~~~~
/usr/include/c++/10/valarray:1214:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   'std::pair<int, int>' is not derived from 'std::valarray<_Tp>'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Main.cpp:5:
/usr/include/c++/10/valarray:1224:5: note: candidate: 'template<class _Tp> const _Tp* std::begin(const std::valarray<_Tp>&)'
 1224 |     begin(const valarray<_Tp>& __va)
      |     ^~~~~
/usr/include/c++/10/valarray:1224:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   'std::pair<int, int>' is not derived from 'const std::valarray<_Tp>'
   38 |     for (auto& e : g[v]) {
      |                       ^
Main.cpp:38:23: error: no matching function for call to 'end(std::pair<int, int>&)'
In file included from /usr/include/c++/10/bits/range_access.h:36,
                 from /usr/include/c++/10/string:54,
                 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 Main.cpp:5:
/usr/include/c++/10/initializer_list:101:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(std::initializer_list<_Tp>)'
  101 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/10/initializer_list:101:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   'std::pair<int, int>' is not derived from 'std::initializer_list<_Tp>'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/c++/10/string:54,
                 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 Main.cpp:5:
/usr/include/c++/10/bits/range_access.h:71:5: note: candidate: 'template<class _Container> decltype (__cont.end()) std::end(_Container&)'
   71 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/10/bits/range_access.h:71:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.end()) std::end(_Container&) [with _Container = std::pair<int, int>]':
Main.cpp:38:23:   required from here
/usr/include/c++/10/bits/range_access.h:71:48: error: 'struct std::pair<int, int>' has no member named 'end'
   71 |     end(_Container& __cont) -> decltype(__cont.end())
      |                                         ~~~~~~~^~~
/usr/include/c++/10/bits/range_access.h:81:5: note: candidate: 'template<class _Container> decltype (__cont.end()) std::end(const _Container&)'
   81 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/10/bits/range_access.h:81:5: note:   template argument deduction/substitution failed:
/usr/include/c++/10/bits/range_access.h: In substitution of 'template<class _Container> decltype (__cont.end()) std::end(const _Container&) [with _Container = std::pair<int, int>]':
Main.cpp:38:23:   required from here
/usr/include/c++/10/bits/range_access.h:81:54: error: 'const struct std::pair<int, int>' has no member named 'end'
   81 |     end(const _Container& __cont) -> decltype(__cont.end())
      |                                               ~~~~~~~^~~
/usr/include/c++/10/bits/range_access.h:100:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  100 |     end(_Tp (&__arr)[_Nm])
      |     ^~~
/usr/include/c++/10/bits/range_access.h:100:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   mismatched types '_Tp [_Nm]' and 'std::pair<int, int>'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Main.cpp:5:
/usr/include/c++/10/valarray:1234:5: note: candidate: 'template<class _Tp> _Tp* std::end(std::valarray<_Tp>&)'
 1234 |     end(valarray<_Tp>& __va)
      |     ^~~
/usr/include/c++/10/valarray:1234:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   'std::pair<int, int>' is not derived from 'std::valarray<_Tp>'
   38 |     for (auto& e : g[v]) {
      |                       ^
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from Main.cpp:5:
/usr/include/c++/10/valarray:1244:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const std::valarray<_Tp>&)'
 1244 |     end(const valarray<_Tp>& __va)
      |     ^~~
/usr/include/c++/10/valarray:1244:5: note:   template argument deduction/substitution failed:
Main.cpp:38:23: note:   'std::pair<int, int>' is not derived from 'const std::valarray<_Tp>'
   38 |     for (auto& e : g[v]) {
      |                       ^
Main.cpp: In function 'int main()':
Main.cpp:50:11: error: 'par' was not declared in this scope
   50 |       x = par[x];
      |           ^~~
Main.cpp:52:11: error: 'par' was not declared in this scope
   52 |       y = par[y];
      |           ^~~