Language: C++

#include <algorithm>
#include <iostream>
#include <vector>
#include <map>
#include <functional>
#include <string>
#include <cmath>  //sqrt 
#include <iomanip> //setprecision
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ll long long
#define beg begin()
#define end end()

void _main(){
    char pm,before;
    ll p=0,m=0,sum=0;
    while(cin >> pm){
        if(before=='>'&&pm=='<'){
            ll bigger = max(p,m);
            ll smaller = max(min(p,m) -1,0);
            sum += bigger*(1+bigger)/2 + smaller*(1+smaller)/2;
            p=0;m=0;
        }
        if(pm=='>') m++;
        if(pm=='<') p++;
        before=pm;
    };
    ll bigger = max(p,m);
    ll smaller = max(min(p,m) -1,0);
    sum += bigger*(1+bigger)/2 + smaller*(1+smaller)/2;
    cout << sum << endl;
    return;
}
int main() {
    cout << fixed << setprecision(10);
    _main();
    return 0;
}
    

Compiler output:
a.cc: In function 'void _main()':
a.cc:21:29: error: no matching function for call to 'max(long long int, int)'
   21 |             ll smaller = max(min(p,m) -1,0);
      |                          ~~~^~~~~~~~~~~~~~~
In file included from /usr/include/c++/14/algorithm:60,
                 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:21:29: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   21 |             ll smaller = max(min(p,m) -1,0);
      |                          ~~~^~~~~~~~~~~~~~~
/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:21:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   21 |             ll smaller = max(min(p,m) -1,0);
      |                          ~~~^~~~~~~~~~~~~~~
a.cc:30:21: error: no matching function for call to 'max(long long int, int)'
   30 |     ll smaller = max(min(p,m) -1,0);
      |                  ~~~^~~~~~~~~~~~~~~
/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:30:21: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
   30 |     ll smaller = max(min(p,m) -1,0);
      |                  ~~~^~~~~~~~~~~~~~~
/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:30:21: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   30 |     ll smaller = max(min(p,m) -1,0);
      |                  ~~~^~~~~~~~~~~~~~~