#854Hard#1 in PayPal's list· asked at 28 companies
LFU Cache
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What we know
Example 1
Input: ["LFUCache","put","put","get","put","get","get","put","get","get","get"] [[2],[1,1],[2,2],[1],[3,3],[2],[3],[4,4],[1],[3],[4]] Output: [null,null,null,1,null,-1,3,null,-1,3,4]
Constraints
- •
1 <= capacity <= 10^4 - •
0 <= key <= 10^5 - •
0 <= value <= 10^9 - •
At most
2 * 10^5calls will be made togetandput.