Keep Multiplying Found Values by Two LeetCode solution in C++

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class Solution {
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 public:
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  int solve(vector<int> &nums, int ans) {
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    sort(nums.begin(), nums.end());
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    for (auto i : nums) {
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      if (ans == i) {
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        return solve(nums, ans * 2);
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      }
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    }
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    return ans;
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  }
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  int findFinalValue(vector<int> &nums, int original) {
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    int ans = original;
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    int result = solve(nums, ans);
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    return result;
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  }
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};