Language: C++

#include <bits/stdc++.h>
using namespace std;

int main() {
    string s; cin >> s;
    int n = s.size();
        
    vector<int64_t> v(n + 1, 0);
    int run = 0;

    for (int i = 0; i < n; i += 1) {
        if (s[i] == '<') {
            run += 1;
            v[i + 1] = max(run, v[i + 1]);
        } else {
            run = 0;
        }
    }

    for (int i = n - 1; i >= 0; i -= 1) {
        if (s[i] == '>') {
            run += 1;
            v[i] = max(run, v[i]);
        } else {
            run = 0;
        }
    }
        
    int64_t sum = accumulate(v.begin(), v.end(), 0);

    cout << sum << "\n";
}

Compiler output:
a.cc: In function 'int main()':
a.cc:14:27: error: no matching function for call to 'max(int&, __gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type&)'
   14 |             v[i + 1] = max(run, v[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:14:27: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type' {aka 'long int'})
   14 |             v[i + 1] = max(run, v[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:14:27: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   14 |             v[i + 1] = max(run, v[i + 1]);
      |                        ~~~^~~~~~~~~~~~~~~
a.cc:23:23: error: no matching function for call to 'max(int&, __gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type&)'
   23 |             v[i] = max(run, v[i]);
      |                    ~~~^~~~~~~~~~~
/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:23:23: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type' {aka 'long int'})
   23 |             v[i] = max(run, v[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
/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:23:23: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   23 |             v[i] = max(run, v[i]);
      |                    ~~~^~~~~~~~~~~