제출 #1290026

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1290026		MMihalev	송신탑 (IOI22_towers)	C++20	컴파일 에러	0 ms	0 KiB

towers

#include<iostream>
#include<algorithm>
#include "towers.h"
#include <vector>
#include<set>
using namespace std;
int ma[2005][2005];
set<int> used[2005];
int which[2005][2005];
vector<int>h;
void init(int N, std::vector<int> H)
{
    h=H;
    for(int i=0;i<N;i++)
    {
        ma[i][i]=h[i];
        which[i][i]=i;
        for(int j=i+1;j<N;j++)
        {
            if(ma[i][j-1]>h[j])
            {
                which[i][j]=which[i][j-1];
            }
            else which[i][j]=j;

            ma[i][j]=max(ma[i][j-1],h[j]);
        }
    }
}

int max_towers(int L, int R, int D)
{
   bool ima=0;
   for(int i=L;i<=R;i++)
   {
       for(int j=i+2;j<=R;j++)
       {
           if(ma[i+1][j-1]-D>=max(h[i],h[j]))
           {
               used[which[i+1][j-1]].insert(i);
               used[which[i+1][j-1]].insert(j);
               ima=1;
           }
       }
   }
   if(!ima)return 1;
   int cnt=0;
   for(int i=L;i<=R;i++)
   {
       cnt=max(cnt,used[i].size());
   }
   return cnt;
}

컴파일 시 표준 에러 (stderr) 메시지

towers.cpp: In function 'int max_towers(int, int, int)':
towers.cpp:50:15: error: no matching function for call to 'max(int&, std::set<int>::size_type)'
   50 |        cnt=max(cnt,used[i].size());
      |            ~~~^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/string:51,
                 from /usr/include/c++/13/bits/locale_classes.h:40,
                 from /usr/include/c++/13/bits/ios_base.h:41,
                 from /usr/include/c++/13/ios:44,
                 from /usr/include/c++/13/ostream:40,
                 from /usr/include/c++/13/iostream:41,
                 from towers.cpp:1:
/usr/include/c++/13/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
towers.cpp:50:15: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::set<int>::size_type' {aka 'long unsigned int'})
   50 |        cnt=max(cnt,used[i].size());
      |            ~~~^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algobase.h:303:5: note:   template argument deduction/substitution failed:
towers.cpp:50:15: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::set<int>::size_type' {aka 'long unsigned int'})
   50 |        cnt=max(cnt,used[i].size());
      |            ~~~^~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/13/algorithm:61,
                 from towers.cpp:2:
/usr/include/c++/13/bits/stl_algo.h:5795:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5795 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5795:5: note:   template argument deduction/substitution failed:
towers.cpp:50:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   50 |        cnt=max(cnt,used[i].size());
      |            ~~~^~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5805 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/13/bits/stl_algo.h:5805:5: note:   template argument deduction/substitution failed:
towers.cpp:50:15: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   50 |        cnt=max(cnt,used[i].size());
      |            ~~~^~~~~~~~~~~~~~~~~~~~