Find the Highest Altitude LeetCode solution in C++

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class Solution {
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 public:
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  int largestAltitude(vector<int> &gain) {
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    int maxAltitude = 0;
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    int currentAltitude = 0;
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    for (int i = 0; i < gain.size(); i++) {
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      currentAltitude += gain[i];
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      maxAltitude = max(maxAltitude, currentAltitude);
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    }
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    return maxAltitude;
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  }
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};