Language: C++


#include <cstdio>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>

using namespace std;

int main() {
	int a, b;
	cin >> a >> b;
	long long x = 1LL << 55;
	x *= 2;
	long long y = 1LL << 55;
	y *= 2;
	if(b >= a) x = b - a;
	else if(b < a && b < 0 && -b >= a) x = min(x , -b - a + 1); 
	a *= -1;
	if(b >= a) y = b - a + 1;
	else if(b < a && b < 0 && -b >= a) y = min(y, -b - a + 2);
	printf("%lld\n", min(x, y));
}


Compiler output:
a.cc: In function 'int main()':
a.cc:18:51: error: no matching function for call to 'min(long long int&, int)'
   18 |         else if(b < a && b < 0 && -b >= a) x = min(x , -b - a + 1);
      |                                                ~~~^~~~~~~~~~~~~~~~
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:3:
/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:18:51: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   18 |         else if(b < a && b < 0 && -b >= a) x = min(x , -b - a + 1);
      |                                                ~~~^~~~~~~~~~~~~~~~
/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:4:
/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:18:51: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |         else if(b < a && b < 0 && -b >= a) x = min(x , -b - a + 1);
      |                                                ~~~^~~~~~~~~~~~~~~~
a.cc:21:51: error: no matching function for call to 'min(long long int&, int)'
   21 |         else if(b < a && b < 0 && -b >= a) y = min(y, -b - a + 2);
      |                                                ~~~^~~~~~~~~~~~~~~
/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:21:51: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   21 |         else if(b < a && b < 0 && -b >= a) y = min(y, -b - a + 2);
      |                                                ~~~^~~~~~~~~~~~~~~
/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:21:51: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |         else if(b < a && b < 0 && -b >= a) y = min(y, -b - a + 2);
      |                                                ~~~^~~~~~~~~~~~~~~