算法题

Posted 2020-09-30 邱进宝

public class Test6 {

    public int judge(String s,int length){
        int sum=0,i=0;
        for(i=0;i<length-2;i++){
            if(s.charAt(i)==s.charAt(i+1) && s.charAt(i+1)==s.charAt(i+2)){
                sum++;
                i++;
            }else if(s.charAt(i)==s.charAt(i+1)){
                sum++;
                i++;
            }else if(s.charAt(i+1)==s.charAt(i+2)){
                sum+=judge(s.substring(i+1),length-i-1);
                break;
            }else{
                i++;
            }
        }
        if(i==length-2){
            if(s.charAt(i)==s.charAt(i+1))
                sum++;
        }
        
        return sum;
    }
    
    public static void main(String[] args){
        System.out.println(new Test6().judge("BBBYYYYYY", 9));
        System.out.println(new Test6().judge("RBRRRR", 6));
    }
    
}

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