Language: C++

#include<iostream>
#include<algorithm>
 
using namespace std;
typedef long long ll;
 
int N, S, T;
int A[3000], B[3000];
int dp[3001][3001];
 
int main() {
    cin >> N >> T >> S;
    for (int i = 0; i < N; i++) {
        cin >> A[i] >> B[i];
    }
 
    dp[0][0] = 0;
    if (B[0] <= S && B[0] < T)dp[B[0]][1] = A[0];
 
    for (int i = 0; i < T - 1; i++) {
        for (int j = 0; j < N; j++) {
            dp[i + 1][j] = max(dp[i][j], dp[i + 1][j]);
            dp[i][j + 1] = max(dp[i][j], dp[i][j + 1]);
            if (((i <= S && i + B[j] <= S) || (S <= i)) && i + B[j] < T)
                dp[i + B[j]][j + 1] = max(dp[i + B[j]][j + 1], dp[i][j] + A[j]);
             
        }
    }
    ll ans = 0;
    for (int i = 0; i <= N; i++)ans = max(ans, dp[T - 1][i]);
    cout << ans << endl;
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:30:42: error: no matching function for call to 'max(ll&, int&)'
   30 |     for (int i = 0; i <= N; i++)ans = max(ans, dp[T - 1][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:30:42: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   30 |     for (int i = 0; i <= N; i++)ans = max(ans, dp[T - 1][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:30:42: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   30 |     for (int i = 0; i <= N; i++)ans = max(ans, dp[T - 1][i]);
      |                                       ~~~^~~~~~~~~~~~~~~~~~~