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void std::reverse<class Iterator>(Iterator begin, Iterator end) is an in-place iterator-based swap and overkill because it makes sense only in one of the two contexts:
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void std::reverse<class Iterator>(Iterator begin, Iterator end)is an in-place iterator-based swap and overkill because it makes sense only in one of the two contexts:string s1 = to_string(x); string s2 = s1 /* copy */; reverse(s2.begin(), s2.end()); if (s1 == s2) ...as above but you use a function that converts an
intto avector<int>where each element is a digit then do the same process as with the stringsBoth are horrendous overkill compared to the multiply-modulo-add-divide loops in other answers.