Submission #871842

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
871842	2023-11-11T17:37:27 Z	Ludissey	Catfish Farm (IOI22_fish)	C++17	Compilation error	0 ms	0 KB

fish

#include "fish.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> a;
vector<vector<int>> fsh;

vector<vector<int>> prefx;
map<pair<int,pair<int,int>>, int> memo;
int N,M;
int dp(int x, int last, int lastlast){
  if(memo.find({x,{last,lastlast}})!=memo.end()) return memo[{x,{last,lastlast}}];
  if(x==N) return memo[{x,{last,lastlast}}]=0;
 
  memo[{x,{last,lastlast}}] = 0;
  for (auto i:fsh[x])
  {
    int c=dp(x+1, i, last);
    if(x>0) c+=max(0LL,prefx[x-1][max(i,lastlast)]-prefx[x-1][last]);
    if(x==N-1) c+=max(0LL,prefx[x][last]-prefx[x][i]);
    memo[{x,{last,lastlast}}]=max(c, memo[{x,{last,lastlast}}]);
  }
  return memo[{x,{last,lastlast}}];
}
 
long long max_weights(signed n, signed m, std::vector<signed> X, std::vector<signed> Y, std::vector<signed> W) {
  N=n; M=m; 
  a.resize(N, vector<int>(N,0));
  fsh.resize(N+1, vector<int>(1,0));
  prefx.resize(N, vector<int>(N+1,0)); //y+1
  for (int i = 0; i < M; i++){
    a[X[i]][Y[i]] = W[i];
    fsh[X[i]+1].push_back(Y[i]+1);
    if(X[i]>0) fsh[X[i]-1].push_back(Y[i]+1);

  }
  for (int x = 0; x < N; x++)
  {
    for (int y = 0; y < N; y++)
    {
       prefx[x][y+1]=a[x][y]+prefx[x][y];
    }
  }
  
  int p=dp(0,0,0);
  return p;
}

Compilation message

fish.cpp: In function 'int dp(int, int, int)':
fish.cpp:18:68: error: no matching function for call to 'max(long long int, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type)'
   18 |     if(x>0) c+=max(0LL,prefx[x-1][max(i,lastlast)]-prefx[x-1][last]);
      |                                                                    ^
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:18:68: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   18 |     if(x>0) c+=max(0LL,prefx[x-1][max(i,lastlast)]-prefx[x-1][last]);
      |                                                                    ^
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:18:68: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   18 |     if(x>0) c+=max(0LL,prefx[x-1][max(i,lastlast)]-prefx[x-1][last]);
      |                                                                    ^
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:
fish.cpp:18:68: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |     if(x>0) c+=max(0LL,prefx[x-1][max(i,lastlast)]-prefx[x-1][last]);
      |                                                                    ^
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: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:
fish.cpp:18:68: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |     if(x>0) c+=max(0LL,prefx[x-1][max(i,lastlast)]-prefx[x-1][last]);
      |                                                                    ^
fish.cpp:19:53: error: no matching function for call to 'max(long long int, __gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type)'
   19 |     if(x==N-1) c+=max(0LL,prefx[x][last]-prefx[x][i]);
      |                                                     ^
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:19:53: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   19 |     if(x==N-1) c+=max(0LL,prefx[x][last]-prefx[x][i]);
      |                                                     ^
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:19:53: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'})
   19 |     if(x==N-1) c+=max(0LL,prefx[x][last]-prefx[x][i]);
      |                                                     ^
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:
fish.cpp:19:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |     if(x==N-1) c+=max(0LL,prefx[x][last]-prefx[x][i]);
      |                                                     ^
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: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:
fish.cpp:19:53: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   19 |     if(x==N-1) c+=max(0LL,prefx[x][last]-prefx[x][i]);
      |                                                     ^