Language: C++

#include<bits/stdc++.h>
#pragma GCC optimize ("-O3")
#define ll long long
const int inf = 1e9;
const int mod = 1e9 + 7;
using namespace std;
int main(){
    cin.tie(0);
    cout.tie(0);
    ios_base::sync_with_stdio(0);
    ll n, a[100005], b[100005], k;
    cin>>n>>k;
    for(int i = 1; i <= n; i++){
        cin>>a[i];
    }
    b[0] = 0;
    b[1] = 0;
    for(int i = 2; i <= n; i++){
        int mn = inf;
        for(int j = 1; j <= min(i, k); j++){
            mn = min(abs(a[i] - a[i - j]) + b[i - j], mn);
        }
        b[i] = mn;
    }
    cout<<b[n]<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:20:32: error: no matching function for call to 'min(int&, long long int&)'
   20 |         for(int j = 1; j <= min(i, k); j++){
      |                             ~~~^~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 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:20:32: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   20 |         for(int j = 1; j <= min(i, k); j++){
      |                             ~~~^~~~~~
/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:
/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:20:32: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   20 |         for(int j = 1; j <= min(i, k); j++){
      |                             ~~~^~~~~~
a.cc:21:21: error: no matching function for call to 'min(long long int, int&)'
   21 |             mn = min(abs(a[i] - a[i - j]) + b[i - j], mn);
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:21:21: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   21 |             mn = min(abs(a[i] - a[i - j]) + b[i - j], mn);
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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
/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:21:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |             mn = min(abs(a[i] - a[i - j]) + b[i - j], mn);
      |                  ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~