2335. Minimum Amount of Time to Fill Cups

class Solution {
public:
    int fillCups(vector<int>& amount) 
    {
        sort(amount.begin(), amount.end());
        int cnt = 0 , ans=0;
        int a = amount[0], b = amount[1], c = amount[2];
        int sum = a+b+c;
        if((a+b)>c)
           ans = (sum/2)+(sum%2);
        else
           ans = c;

        return ans;
    }
};