C++ sol
Intuition\n Describe your first thoughts on how to solve this problem. \n\n# Approach\n Describe your approach to solving the problem. \n\n# Complexity\n- Time 
# Intuition\n<!-- Describe your first thoughts on how to solve this problem. -->\n\n# Approach\n<!-- Describe your approach to solving the problem. -->\n\n# Complexity\n- Time complexity:\n<!-- Add your time complexity here, e.g. $$O(n)$$ -->\n\n- Space complexity:\n<!-- Add your space complexity here, e.g. $$O(n)$$ -->\n\n# Code\n```\nclass Solution {\npublic:\n    int largestAltitude(vector<int>& gain) {\n        int n=gain.size();\n        int hi=0, alt=0;\n        for(int i=0; i<n; i++){\n            alt+=gain[i];\n            hi=max(hi, alt);\n        }\n        return hi;\n    }\n};\n```
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