iframe-proxy | Sunbelt Computer Software

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class MyHashMap {

int[] map = null;

/** Initialize your data structure here. */

public MyHashMap() {

map = new int[1000001];

Arrays.fill(map, -1);

}

// SC : O(1000001) vs linkedList

/** value will always be non-negative. */

public void put(int key, int value) {

map[key] = value; // O(1)

}

/** Returns the value to which the specified key is mapped, or -1 if this map contains no mapping for the key */

public int get(int key) {

return map[key];// O(1)

}

/** Removes the mapping of the specified value key if this map contains a mapping for the key */

public void remove(int key) {

put(key, -1); // O(1)

}

/**

* Your MyHashMap object will be instantiated and called as such:

* MyHashMap obj = new MyHashMap();

* obj.put(key,value);

* int param_2 = obj.get(key);

* obj.remove(key);

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