Language: C++

#include<iostream>
#include<algorithm>
#include<cmath>
using namespace std;
int main(){
	long long x,k,d,c;
	long long a=-10000000000000000,b,i=0,f=0;
	cin >> x >> k >> d;
	b=abs(x);
	while(i<k){
		if(x>0){
			if(d>0){
				c=min(max(x/d,1),k-i);
				x-=c*abs(d);
			}
			else{
				c=min(max(x/abs(d),1),k-i);
				x+=c*abs(d);
			}
			if(x<=0){
				f=1;
			}
		}
		else{
			if(d>0){
				c=min(max(abs(x)/d,1),k-i);
				x+=c*d;
				if(x>=0){
					f=1;
				}
			}
			else{
				c=min(max(abs(x)/abs(d),1),k-i);
				x-=c*abs(d);
				if(x>=0){
					f=1;
				}
			}
		}
		i+=c;
		if(i%2==1 && abs(x)<abs(a)){
			a=abs(x);
		}
		if(i%2==0 && abs(x)<abs(b)){
			b=abs(x);
		}
		if(f){
			break;
		}
	}
	if(k%2==1){
		cout << a << endl;
	}
	else{
		cout << b << endl;
	}
	return 0;
}


Compiler output:
a.cc: In function 'int main()':
a.cc:13:42: error: no matching function for call to 'max(long long int, int)'
   13 |                                 c=min(max(x/d,1),k-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:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:13:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   13 |                                 c=min(max(x/d,1),k-i);
      |                                       ~~~^~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: 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:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:13:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   13 |                                 c=min(max(x/d,1),k-i);
      |                                       ~~~^~~~~~~
a.cc:17:42: error: no matching function for call to 'max(long long int, int)'
   17 |                                 c=min(max(x/abs(d),1),k-i);
      |                                       ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:17:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   17 |                                 c=min(max(x/abs(d),1),k-i);
      |                                       ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:17:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   17 |                                 c=min(max(x/abs(d),1),k-i);
      |                                       ~~~^~~~~~~~~~~~
a.cc:26:42: error: no matching function for call to 'max(long long int, int)'
   26 |                                 c=min(max(abs(x)/d,1),k-i);
      |                                       ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:26:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   26 |                                 c=min(max(abs(x)/d,1),k-i);
      |                                       ~~~^~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:26:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   26 |                                 c=min(max(abs(x)/d,1),k-i);
      |                                       ~~~^~~~~~~~~~~~
a.cc:33:42: error: no matching function for call to 'max(long long int, int)'
   33 |                                 c=min(max(abs(x)/abs(d),1),k-i);
      |                                       ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  257 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:257:5: note:   template argument deduction/substitution failed:
a.cc:33:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   33 |                                 c=min(max(abs(x)/abs(d),1),k-i);
      |                                       ~~~^~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  303 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algobase.h:303:5: note:   candidate expects 3 arguments, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5706:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(initializer_list<_Tp>)'
 5706 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5706:5: note:   candidate expects 1 argument, 2 provided
/usr/include/c++/14/bits/stl_algo.h:5716:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(initializer_list<_Tp>, _Compare)'
 5716 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/14/bits/stl_algo.h:5716:5: note:   template argument deduction/substitution failed:
a.cc:33:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   33 |                                 c=min(max(abs(x)/abs(d),1),k-i);
      |                                       ~~~^~~~~~~~~~~~~~~~~