Leet Code Daily 2024-05-27 - Special Array with X Elements Greater Than or Equal X

class Solution {
public:
    int specialArray(vector<int>& nums) {
        sort(nums.begin(), nums.end());
        for (int i = 0; i < nums.size(); i++) {
            int c = nums.size() - i;
            if (c <= nums[i] && (i == 0 || nums[i - 1] < c)) {
                return c;
            }
        }
        return -1;
    }
};