Submission #761898

#	Time	Username	Problem	Language	Result	Execution time	Memory
761898		raul2008487	Catfish Farm (IOI22_fish)	C++17	Compilation error	0 ms	0 KiB

fish

#include "fish.h"
#include<bits/stdc++.h>
#define pb push_back
#define ll long long
#define pll pair<ll,ll>
using namespace std;
long long max_weights(int N, int M, std::vector<int> X, std::vector<int> Y, std::vector<int> W) {
    vector<ll> fish(N,0);
    vector<vector<ll>> dp(N,vector<ll>(2));
    ll i;
    for(i=0;i<M;i++){
        fish[X[i]]=W[i];
    }
    dp[0][0]=dp[0][1]=0;
    dp[1][0]=fish[1];dp[1][1]=fish[0];
    for(i=2;i<N;i++){
        dp[i][0]=max(dp[i-1][1]+fish[i],dp[i-1][0]);
        dp[i][1]=max({dp[i-2][0]+fish[i-1],dp[i-1][0].dp[i-1][1]});
    }
    return max(dp[N-1][0],dp[N-1][1]);
}

Compilation message (stderr)

fish.cpp: In function 'long long int max_weights(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
fish.cpp:18:55: error: request for member 'dp' in '(& dp.std::vector<std::vector<long long int> >::operator[](((std::vector<std::vector<long long int> >::size_type)(i - 1))))->std::vector<long long int>::operator[](0)', which is of non-class type '__gnu_cxx::__alloc_traits<std::allocator<long long int>, long long int>::value_type' {aka 'long long int'}
   18 |         dp[i][1]=max({dp[i-2][0]+fish[i-1],dp[i-1][0].dp[i-1][1]});
      |                                                       ^~
fish.cpp:18:66: error: no matching function for call to 'max(<brace-enclosed initializer list>)'
   18 |         dp[i][1]=max({dp[i-2][0]+fish[i-1],dp[i-1][0].dp[i-1][1]});
      |                                                                  ^
In file included from /usr/include/c++/10/vector:60,
                 from fish.h:1,
                 from fish.cpp:1:
/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:
fish.cpp:18:66: note:   candidate expects 2 arguments, 1 provided
   18 |         dp[i][1]=max({dp[i-2][0]+fish[i-1],dp[i-1][0].dp[i-1][1]});
      |                                                                  ^
In file included from /usr/include/c++/10/vector:60,
                 from fish.h:1,
                 from fish.cpp:1:
/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:
fish.cpp:18:66: note:   candidate expects 3 arguments, 1 provided
   18 |         dp[i][1]=max({dp[i-2][0]+fish[i-1],dp[i-1][0].dp[i-1][1]});
      |                                                                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from fish.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:
/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: