Language: C++

#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define SORT(c) sort((c).begin(),(c).end())
#define REVERSE(c) reverse((c).begin(),(c).end())
#define ALL(x) (x).begin(),(x).end()
const long long MOD = 1000000007;
const long long INF = 1LL << 60;

int main(){
	int N;
	long long W, weight[110], value[110];
	cin >> N >> W;
	for(int i = 0; i < N; i++)cin >> weight[i] >> value[i];
	long long dp[110][100100] = {0};
	
	for(int i = 0; i < N; i++){
		for(int sum_w = 0; sum_w <= W; sum_w++){
			if(sum_w - weight[i] >= 0){
				dp[i + 1][sum_w] = max(dp[i + 1], dp[i][sum_w - weight[i]] + value[i]);
			}
			dp[i + 1][sum_w]= max(dp[i + 1][sum_w], dp[i][sum_w]);
		}
	}
	cout << dp[N][W] << endl;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:55: error: no matching function for call to 'max(long long int [100100], long long int)'
   20 |                                 dp[i + 1][sum_w] = max(dp[i + 1], dp[i][sum_w - weight[i]] + value[i]);
      |                                                    ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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:20:55: note:   deduced conflicting types for parameter 'const _Tp' ('long long int [100100]' and 'long long int')
   20 |                                 dp[i + 1][sum_w] = max(dp[i + 1], dp[i][sum_w - weight[i]] + value[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:
/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:20:55: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int*'
   20 |                                 dp[i + 1][sum_w] = max(dp[i + 1], dp[i][sum_w - weight[i]] + value[i]);
      |                                                    ~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~