Language: C++

#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <cmath>
#include <map>
#include <queue>
#include <iomanip>
#define MOD 1000000007
typedef long long ll;
using namespace std;

int main(){
  int n;
  cin>>n;
  vector<ll> v;
  for(int i=0;i<n;i++){
      int a;
      cin>>a;
      v.push_back(a);
  }

  ll dp[n+1][5]={};
  for(int i=1;i<=n;i++) for(int j=0;j<=4;j++) dp[i][j]=1e6;

  for(int i=1;i<=n;i++){
      for(int j=0;j<5;j++){
        dp[i][j]=dp[i-1][j];
        if(j==0||j==4) dp[i][j]+=v[i-1];
      }
      for(int i=0;i<4;i++){
        dp[i][j+1]=min(dp[i][j+1],dp[i-1][j]);
      }
      if(v[i-1]==0){
        dp[i][1]+=2;
        dp[i][3]+=2;
        dp[i][2]++;
      }else if(v[i-1]%2){
        dp[i][1]++;
        dp[i][3]++;
      }else{
        dp[i][2]++;
      }
  }

  int ans=1e9;
  for(int i=0;i<=4;i++) ans=min(ans,dp[n][i]);
  cout<<ans<<endl;

  return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:32:15: error: 'j' was not declared in this scope
   32 |         dp[i][j+1]=min(dp[i][j+1],dp[i-1][j]);
      |               ^
a.cc:47:32: error: no matching function for call to 'min(int&, ll&)'
   47 |   for(int i=0;i<=4;i++) ans=min(ans,dp[n][i]);
      |                             ~~~^~~~~~~~~~~~~~
In file included from /usr/include/c++/14/string:51,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_algobase.h:233:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)'
  233 |     min(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:233:5: note:   template argument deduction/substitution failed:
a.cc:47:32: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll' {aka 'long long int'})
   47 |   for(int i=0;i<=4;i++) ans=min(ans,dp[n][i]);
      |                             ~~~^~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)'
  281 |     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:281:5: note:   candidate expects 3 arguments, 2 provided
In file included from /usr/include/c++/14/algorithm:61,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_algo.h:5686:5: note: candidate: 'template<class _Tp> constexpr _Tp std::min(initializer_list<_Tp>)'
 5686 |     min(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5686:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5696:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::min(initializer_list<_Tp>, _Compare)'
 5696 |     min(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5696:5: note:   template argument deduction/substitution failed:
a.cc:47:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   47 |   for(int i=0;i<=4;i++) ans=min(ans,dp[n][i]);
      |                             ~~~^~~~~~~~~~~~~~