-
Notifications
You must be signed in to change notification settings - Fork 41
/
solution.js
42 lines (37 loc) · 864 Bytes
/
solution.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
var Leaderboard = function () {
this.hash = {};
};
/**
* @param {number} playerId
* @param {number} score
* @return {void}
*/
Leaderboard.prototype.addScore = function (playerId, score) {
this.hash[playerId] = (this.hash[playerId] || 0) + score;
};
/**
* @param {number} K
* @return {number}
*/
Leaderboard.prototype.top = function (K) {
const scores = Object.values(this.hash).sort((a, b) => b - a);
let result = 0;
for (let i = 0; i < K; i++) {
result += scores[i];
}
return result;
};
/**
* @param {number} playerId
* @return {void}
*/
Leaderboard.prototype.reset = function (playerId) {
this.hash[playerId] = 0;
};
/**
* Your Leaderboard object will be instantiated and called as such:
* var obj = new Leaderboard()
* obj.addScore(playerId,score)
* var param_2 = obj.top(K)
* obj.reset(playerId)
*/