#include <bits/stdc++.h>

using namespace std;

int main() {
  int64_t a = 2;
  cout << max(a, 3LL) << '\n';
  return 0;
}

error: no matching function for call to ‘max(int64_t&, long long int)’
   cout << max(a, 3LL) << '\n';
note:   deduced conflicting types for parameter ‘const _Tp’ (‘long int’ and ‘long long int’)
   cout << max(a, 3LL) << '\n';