路徑輸出方法

例子

 

路徑查找方法

public static void main(String[] args) {
        for(int i=0;i<5;i++){
            getLog(i);
        }
        
    }
    
    private static void getLog(int mid){
        int offer=1;
        StringBuilder builder= new StringBuilder("["+mid+","+mid+"]");
        while(offer<=mid){
            if(mid%2==0){
                builder.insert(0,"["+(mid-offer)+","+mid+"]");
                if(mid!=4){
                    builder.append("["+mid+","+(mid-offer)+"]");
                }
            } else{
                builder.append("["+(mid-offer)+","+mid+"]");
                builder.insert(0,"["+mid+","+(mid-offer)+"]");
            }
            offer++;
        }
        System.out.println(builder.toString());
    }