Language: C++

#include<cmath>
#include<iostream>
#include<bits/stdc++.h>
#include<algorithm>
#include<vector>
using namespace std;
using ll = long long;

int main() {
    long long int x,k,d;
    cin >> x >> k >> d;
    x = abs(x);
    int plusmx = x/d;
    x -= (min(plusmx,k) *d);
    k -= min(plusmx,k);
    k = k % 2;
    if(k)
        cout << abs(d-x);
    else{
        cout << x;
    }
    // if(x >= (k*d)){
    //     cout << x - (k*d);
    // }
    // else if(x == d && d == k && k == x){
    //     cout << x << endl;
    // }
    // else if(abs(x-(k*d)) == k){
    // cout << abs((x-(k*d))) << endl;   
    // }
    // else
    // cout << abs((x-(k*d)) % k)<<endl;
    return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:14:14: error: no matching function for call to 'min(int&, long long int&)'
   14 |     x -= (min(plusmx,k) *d);
      |           ~~~^~~~~~~~~~
In file included from /usr/include/c++/14/bits/specfun.h:43,
                 from /usr/include/c++/14/cmath:3906,
                 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:14:14: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   14 |     x -= (min(plusmx,k) *d);
      |           ~~~^~~~~~~~~~
/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 /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:3:
/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:14:14: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   14 |     x -= (min(plusmx,k) *d);
      |           ~~~^~~~~~~~~~
a.cc:15:13: error: no matching function for call to 'min(int&, long long int&)'
   15 |     k -= min(plusmx,k);
      |          ~~~^~~~~~~~~~
/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:15:13: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   15 |     k -= min(plusmx,k);
      |          ~~~^~~~~~~~~~
/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:15:13: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   15 |     k -= min(plusmx,k);
      |          ~~~^~~~~~~~~~