제출 #874037

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
874037		OSoverspike	친구 (IOI14_friend)	C++17	컴파일 에러	0 ms	0 KiB

friend

#include "friend.h"
#include <bits/stdc++.h>
// Find out best sample
int findSample(int n,int confidence[],int host[],int protocol[]){
	long long int ans=0;
	if (protocol[1]==1) {
        for (int a=0; a<n; a++) {
            ans+=confidence[a];
        }
    } else if (protocol[1]==2) {
        for (int a=0; a<n; a++) {
            ans=std::max(ans, confidence[a]);
        }
    } else {
        int bi[n+5];
        memset(bi, 0, sizeof(bi));
        bi[0]=0;
        for (int a=1; a<n; a++) {
            if (bi[host[a]]==0) bi[a]=1;
            else bi[a]=0;
        }
        long long int total=0;
        for (int a=0; a<n; a++) {
            total+=confidence[a];
            if (bi[a]==0) ans+=confidence[a];
        }
        ans=std::max(ans, total-ans);
    }
	return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:12:44: error: no matching function for call to 'max(long long int&, int&)'
   12 |             ans=std::max(ans, confidence[a]);
      |                                            ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from friend.cpp:2:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
friend.cpp:12:44: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   12 |             ans=std::max(ans, confidence[a]);
      |                                            ^
In file included from /usr/include/c++/10/bits/specfun.h:45,
                 from /usr/include/c++/10/cmath:1927,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
                 from friend.cpp:2:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
friend.cpp:12:44: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   12 |             ans=std::max(ans, confidence[a]);
      |                                            ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from friend.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
friend.cpp:12:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   12 |             ans=std::max(ans, confidence[a]);
      |                                            ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from friend.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
friend.cpp:12:44: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   12 |             ans=std::max(ans, confidence[a]);
      |                                            ^