Submission #1020262

#	Time	Username	Problem	Language	Result	Execution time	Memory
1020262		amirhoseinfar1385	Friend (IOI14_friend)	C++17	Compilation error	0 ms	0 KiB

friend

#include "friend.h"
#include<bits/stdc++.h>
using namespace std;
const int maxn=100000+10;
pair<long long,long long>dp[maxn];

int findSample(int n,int confidence[],int host[],int protocol[]){
	for(int i=0;i<n;i++){
		dp[i].first=confidence[i];
		dp[i].second=0;
	}
	for(int i=n-1;i>0;i--){
	//	cout<<i<<" "<<host[i]<<" "<<protocol[i]<<endl;
		int p=host[i];
		if(protocol[i]==0){
			dp[p].first+=dp[i].second;
			dp[p].second+=max(dp[i].first,dp[i].second);
		}else if(protocol[i]==1){
			dp[p].first=max(max(dp[i].first,dp[i].second)+max(dp[p].first,dp[p].second));
			dp[p].second+=dp[i].second;
		}else{
			dp[p].first=max(dp[p].first+dp[i].second,dp[i].first+dp[p].second);
			dp[p].second+=dp[i].second;
		}
	}
	return max(dp[0].first,dp[0].second);
}

Compilation message (stderr)

friend.cpp: In function 'int findSample(int, int*, int*, int*)':
friend.cpp:19:79: error: no matching function for call to 'max(long long int)'
   19 |    dp[p].first=max(max(dp[i].first,dp[i].second)+max(dp[p].first,dp[p].second));
      |                                                                               ^
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:19:79: note:   candidate expects 2 arguments, 1 provided
   19 |    dp[p].first=max(max(dp[i].first,dp[i].second)+max(dp[p].first,dp[p].second));
      |                                                                               ^
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:19:79: note:   candidate expects 3 arguments, 1 provided
   19 |    dp[p].first=max(max(dp[i].first,dp[i].second)+max(dp[p].first,dp[p].second));
      |                                                                               ^
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:19:79: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |    dp[p].first=max(max(dp[i].first,dp[i].second)+max(dp[p].first,dp[p].second));
      |                                                                               ^
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:19:79: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |    dp[p].first=max(max(dp[i].first,dp[i].second)+max(dp[p].first,dp[p].second));
      |                                                                               ^