Language: C++

#include <bits/stdc++.h>
using namespace std;
int main()
{
	int  n,k,i;
	long long sum=0;
	int  arr[100005];
	scanf("%d%d",&n,&k);
	for(i=0;i<k;i++)
	{
		scanf("%d",&arr[i]);
	}
	sort(arr,arr+k);
	for(i=1;i<k;i++)
	{
		sum=max(sum,arr[i]-arr[i-1]);
	}
	sum=max(sum,n-arr[k-1]+arr[0]);
	printf("%lld",n-sum);
 } 

Compiler output:
a.cc: In function 'int main()':
a.cc:16:24: error: no matching function for call to 'max(long long int&, int)'
   16 |                 sum=max(sum,arr[i]-arr[i-1]);
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~
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: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:16:24: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   16 |                 sum=max(sum,arr[i]-arr[i-1]);
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~
/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:
/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:16:24: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   16 |                 sum=max(sum,arr[i]-arr[i-1]);
      |                     ~~~^~~~~~~~~~~~~~~~~~~~~
a.cc:18:16: error: no matching function for call to 'max(long long int&, int)'
   18 |         sum=max(sum,n-arr[k-1]+arr[0]);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
/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:18:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   18 |         sum=max(sum,n-arr[k-1]+arr[0]);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~
/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:18:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   18 |         sum=max(sum,n-arr[k-1]+arr[0]);
      |             ~~~^~~~~~~~~~~~~~~~~~~~~~~