1732. Find the Highest Altitude

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