In file included from /in/driver/main.cpp:5:0:
/in/hashtable.hpp: In instantiation of 'size_t HashTable<Key, Value, Hash, KeyEqual>::findMinimumBucketSize(size_t) const [with Key = int; Value = int; Hash = std::hash<int>; KeyEqual = std::equal_to<int>; size_t = long unsigned int]':
/in/hashtable.hpp:469:43:   required from 'void HashTable<Key, Value, Hash, KeyEqual>::rehash(size_t) [with Key = int; Value = int; Hash = std::hash<int>; KeyEqual = std::equal_to<int>; size_t = long unsigned int]'
/in/hashtable.hpp:442:23:   required from 'Value& HashTable<Key, Value, Hash, KeyEqual>::operator[](const Key&) [with Key = int; Value = int; Hash = std::hash<int>; KeyEqual = std::equal_to<int>]'
/in/driver/main.cpp:129:94:   required from here
/in/hashtable.hpp:174:58: error: conversion to 'double' from 'long unsigned int' may alter its value [-Werror=conversion]
         double minBucketSizedouble = static_cast<double>(tableSize / maxLoadFactor);
                                                          ^~~~~~~~~
cc1plus: all warnings being treated as errors