public LRUCache(int cacheSize, int historySize, int k)
{
cache = new LRU_1(cacheSize);
this.historySize = historySize;
this.k = k;
}
public LRUCache(int cacheSize)
{
cache = new LRU_1(cacheSize);
historySize = cacheSize * 3;
this.k = 2;
}