LeetCode 3062: Winner of the Linked List Game Solution
Master LeetCode problem 3062 (Winner of the Linked List Game), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
3062. Winner of the Linked List Game
Problem Explanation
Explanation:
To solve this problem, we can iterate through the linked list and find the maximum value node. Then we iterate again to find the position of the maximum value node. If the position of the maximum value node is even, Alice wins; otherwise, Bob wins.
- We iterate through the linked list to find the maximum value and its position.
- If the position is even, Alice wins; otherwise, Bob wins.
Time Complexity: O(N) where N is the number of nodes in the linked list. Space Complexity: O(1)
:
Solution Code
class ListNode {
int val;
ListNode next;
ListNode(int val) {
this.val = val;
}
}
class Solution {
public int findWinner(ListNode head) {
int maxVal = Integer.MIN_VALUE;
int maxPos = -1;
int pos = 0;
ListNode curr = head;
while (curr != null) {
if (curr.val > maxVal) {
maxVal = curr.val;
maxPos = pos;
}
curr = curr.next;
pos++;
}
return maxPos % 2 == 0 ? 1 : 2;
}
}Try It Yourself
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