Language: C++

#include <bits/stdc++.h>
#define ll long long
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define setbits __builtin_popcount 
#define big 1e9+7;
using namespace std;
ll n,k,m,flag,mod;
ll w[105],v[105],dp[100][100005],f[105];
ll exi[105];
string s;
ll recur(ll par,ll w[])
{
	for(int i = 0; i < n; ++i)
	{
		if(w[i] == par)
			return w[i] = 0,dp[par];
	}
	// if(dp[par])
	// 	return dp[par];
	// 	return cout<<dp[par]<<" "<<par<<endl,dp[par];
	for(int i = 1; i < par; ++i)
		dp[par] = max(recur(i,w)+recur(n-i,w),dp[par]);
	cout<<dp[par]<<" "<<par<<endl;
	exi[par] *= -1;
	return dp[par];
}
int main()
{
	IOS;
	ll x,y;
	cin>>n>>k;
	// for(int i = 0; i < n; ++i) dp[i] = -big;
	for(int i = 0; i < n; ++i)
		cin>>w[i]>>v[i],dp[w[i]] = v[i],exi[w[i]]++;
	// if(dp[1] == -1)
	// 	dp[1] = 0;
	cout<<recur(k,w);
    return 0;
}

Compiler output:
a.cc: In function 'long long int recur(long long int, long long int*)':
a.cc:16:47: error: invalid conversion from 'long long int*' to 'long long int' [-fpermissive]
   16 |                         return w[i] = 0,dp[par];
      |                                               ^
      |                                               |
      |                                               long long int*
a.cc:22:30: error: no matching function for call to 'max(long long int, long long int [100005])'
   22 |                 dp[par] = max(recur(i,w)+recur(n-i,w),dp[par]);
      |                           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:22:30: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'long long int [100005]')
   22 |                 dp[par] = max(recur(i,w)+recur(n-i,w),dp[par]);
      |                           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/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:22:30: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   22 |                 dp[par] = max(recur(i,w)+recur(n-i,w),dp[par]);
      |                           ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
a.cc:25:22: error: invalid conversion from 'long long int*' to 'long long int' [-fpermissive]
   25 |         return dp[par];
      |                ~~~~~~^
      |                      |
      |                      long long int*
a.cc: In function 'int main()':
a.cc:34:42: error: incompatible types in assignment of 'long long int' to 'long long int [100005]'
   34 |                 cin>>w[i]>>v[i],dp[w[i]] = v[i],exi[w[i]]++;
      |                                 ~~~~~~~~~^~~~~~