Best Poker Hand

扑克判断， 没啥可说的

class Solution {
    public String bestHand(int[] ranks, char[] suits) { 
        if(flush(ranks, suits))
            return "Flush";
        if(three(ranks, suits))
            return "Three of a Kind";
        if(pair(ranks, suits))
            return "Pair";
        return "High Card";        
    }
    public boolean pair(int[] r, char[] s) {
        int[] rk = new int[15];
        for(int rr : r){
            rk[rr - 1]++;
        }
        for(int rrk : rk){
            if(rrk >= 2)
                return true;
        }
        return false;
    }
    
    public boolean flush(int[] r, char[] s) {
        int[] c = new int[6];
        for(char ss : s) {
            c[ss - 'a']++;
        }
        for(int cc : c){
            if(cc == 5)
                return true;
        }
        return false;
    }
    
    public boolean three(int[] r, char[] s){
        int[] rk = new int[15];
        for(int rr : r){
            rk[rr - 1]++;
        }
        for(int rrk : rk){
            if(rrk >= 3)
                return true;
        }
        return false;
    }
}