Java | Leetcode Java题解之第414题第三大的数
题目：
题解：
class Solution {
public int thirdMax(int[] nums) {
Integer a = null, b = null, c = null;
for (int num : nums) {
if (a == null || num > a) {
c = b;
b = a;
a = num;
} else if (a > num && (b == null || num > b)) {
c = b;
b = num;
} else if (b != null && b > num && (c == null || num > c)) {
c = num;
}
}
return c == null ? a : c;
}
}