Language: C++

    #include <iostream>
    #include <vector>
    #include <algorithm>
    #include <cmath>

    using namespace std;
#define int long long

    const int mod = 998244353;

    int32_t main() {
        int n, k;
        cin >> n >> k;
        vector<int> dp(n, 0);
        dp[0] = 1;
        vector<int> ps(2, 0);
        ps[1] = 1;
        vector<int> l(k), r(k);
        for(int i = 0; i < k; ++i) {
            cin >> l[i] >> r[i];
        }
        for(int i = 1; i < n; ++i) {
            for(int j = 0; j < k; ++j) {
                int lg, rg;
                if (i - l[j] < 0) continue;
                rg = max(0, i - l[j]);
                lg = max(0, i - r[j]);
                dp[i] += ps[rg + 1] - ps[lg];
            }
            ps.push_back((ps.back() + dp[i]) % mod);
            dp[i] %= mod;
        }
        cout << dp[n - 1];
    }


Compiler output:
a.cc: In function 'int32_t main()':
a.cc:26:25: error: no matching function for call to 'max(int, long long int)'
   26 |                 rg = max(0, i - l[j]);
      |                      ~~~^~~~~~~~~~~~~
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:26:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   26 |                 rg = max(0, i - l[j]);
      |                      ~~~^~~~~~~~~~~~~
/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:3:
/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:26:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   26 |                 rg = max(0, i - l[j]);
      |                      ~~~^~~~~~~~~~~~~
a.cc:27:25: error: no matching function for call to 'max(int, long long int)'
   27 |                 lg = max(0, i - r[j]);
      |                      ~~~^~~~~~~~~~~~~
/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:27:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   27 |                 lg = max(0, i - r[j]);
      |                      ~~~^~~~~~~~~~~~~
/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:27:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   27 |                 lg = max(0, i - r[j]);
      |                      ~~~^~~~~~~~~~~~~