Find Numbers with Even Number of Digits LeetCode solution in C++

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class Solution {
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 public:
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  int findNumbers(vector<int> &nums) {
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    int count = 0;
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    for (auto it : nums) {
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      int amount = 0;
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      while (it > 0) {
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        amount++;
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        it /= 10;
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      }
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      if (amount % 2 == 0) {
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        count++;
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      }
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    }
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    return count;
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  }
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};