제출 #1207218

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1207218		simplemind_31	게임 (IOI14_game)	C++20	컴파일 에러	0 ms	0 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
int N;
vector<int> dsu,size,clave;
int find(int x){
    if(x==dsu[x]){
        return x;
    }
    return dsu[x]=find(dsu[x]);
}
void unite(int x,int y){
    x=find(x);
    y=find(y);
    if(x==y){
        return;
    }
    if(size[x]<size[y]){
        swap(x,y);
    }
    dsu[y]=x;
}
void initialize(int n){
    clave.resize(n);
    N=n;
    dsu=size=clave;
    for(int i=0;i<n;i++){
        size[i]=1;
        dsu[i]=i;
    }
}

int hasEdge(int u, int v){
    int x=min(u,v);
    v=max(u,v);
    u=x;
    clave[u]++;
    if(clave[u]==N-u-1){
        return 1;
    }else{
        return 0;
    }
}

컴파일 시 표준 에러 (stderr) 메시지

game.cpp: In function 'void unite(int, int)':
game.cpp:18:8: error: reference to 'size' is ambiguous
   18 |     if(size[x]<size[y]){
      |        ^~~~
In file included from /usr/include/c++/11/string:54,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from game.cpp:2:
/usr/include/c++/11/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/11/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
game.cpp:5:17: note:                 'std::vector<int> size'
    5 | vector<int> dsu,size,clave;
      |                 ^~~~
game.cpp:18:16: error: reference to 'size' is ambiguous
   18 |     if(size[x]<size[y]){
      |                ^~~~
In file included from /usr/include/c++/11/string:54,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from game.cpp:2:
/usr/include/c++/11/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/11/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
game.cpp:5:17: note:                 'std::vector<int> size'
    5 | vector<int> dsu,size,clave;
      |                 ^~~~
game.cpp: In function 'void initialize(int)':
game.cpp:26:9: error: reference to 'size' is ambiguous
   26 |     dsu=size=clave;
      |         ^~~~
In file included from /usr/include/c++/11/string:54,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from game.cpp:2:
/usr/include/c++/11/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/11/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
game.cpp:5:17: note:                 'std::vector<int> size'
    5 | vector<int> dsu,size,clave;
      |                 ^~~~
game.cpp:28:9: error: reference to 'size' is ambiguous
   28 |         size[i]=1;
      |         ^~~~
In file included from /usr/include/c++/11/string:54,
                 from /usr/include/c++/11/bits/locale_classes.h:40,
                 from /usr/include/c++/11/bits/ios_base.h:41,
                 from /usr/include/c++/11/ios:42,
                 from /usr/include/c++/11/istream:38,
                 from /usr/include/c++/11/sstream:38,
                 from /usr/include/c++/11/complex:45,
                 from /usr/include/c++/11/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/11/bits/stdc++.h:54,
                 from game.cpp:2:
/usr/include/c++/11/bits/range_access.h:254:5: note: candidates are: 'template<class _Tp, long unsigned int _Nm> constexpr std::size_t std::size(const _Tp (&)[_Nm])'
  254 |     size(const _Tp (&)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/11/bits/range_access.h:245:5: note:                 'template<class _Container> constexpr decltype (__cont.size()) std::size(const _Container&)'
  245 |     size(const _Container& __cont) noexcept(noexcept(__cont.size()))
      |     ^~~~
game.cpp:5:17: note:                 'std::vector<int> size'
    5 | vector<int> dsu,size,clave;
      |                 ^~~~