1608. Special Array With X Elements Greater Than or Equal X

/* BRUTE FORCE */
class Solution {
    public int specialArray(int[] nums) {
        for(int x=0;x<=nums.length;x++){
            int count=0;
            for(int i=0;i<nums.length;i++){
                if(x<=nums[i]) count++;
            }
            if(count==x) return x;
        }
        return -1;
    }
}

/*
LOGIC---
The maximum value of x can be the length of array.
*/