Is it possible to point to a certain index of a value? For example, int x = 2576, is it possible to do something like x[2]? I know you can do it with strings, but can you do it with numbers?

Possible, but not directly. The two options are basically to convert the number to a string and index that, or write a function that separates the number arithmetically and returns the digit at the selected index.

Edit:

Just for giggles, here's a fun example. :)

#include <algorithm>
#include <cstdlib>
#include <iostream>
#include <vector>
class CoolInt {
public:
CoolInt(int value, int base = 10)
: _value(value), _negative(value < 0)
{
if (value == 0)
_digits.push_back(0);
else {
value = abs(value);
while (value) {
_digits.push_back(value % base);
value /= base;
}
std::reverse(_digits.begin(), _digits.end());
}
}
operator int() const { return _value; }
int operator[](unsigned index) { return _digits.at(index); }
bool negative() const { return _negative; }
int size() const { return _digits.size(); }
private:
std::vector<int> _digits;
int _value;
bool _negative;
};
int main()
{
CoolInt x(12345);
std::cout<<"x is "<< (x.negative() ? "negative" : "positive") <<'\n';
for (int i = 0; i < x.size(); ++i)
std::cout<< x[i] <<'\n';
}

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