pageCount student flip page once time one page page index print at each page

 /**
     * pageCount
     * student flip page once time one page
     * page index print at each page right bottom 
     * page index pairs
     * first page index pairs only contains one page index : 1st page index on the right page
     * last page index pairs  : last page index print at left page right botom from the last pairs
     * normal page index pairs contains two page : page index print at each page right botom
     * count page times to right pageIndex
     * forward step times
     * backward step times
     * statistic
     * forward step page times statistic
     * backward step page times statistic
     * get statistic rank asending top 1 step page times
     * constraints
     * 1<=n<=10to5
     * 1<=p<=n
     * @param n
     * @param p
     * @return
     */
    public static int pageCount(int n, int p) {
    	int intVal=1;
    	for(int i=0;i<5;i++) {
    		intVal*=10;
    	}
    	if(n<1 || n>intVal) {
    		return 0;
    	}
    	if(p<1 || p>n) {
    		return 0;
    	}
    	if(n%2==0) {
    		n+=2;
    	}
    	n++;
    	Boolean firstPageIndexFlag=false;
    	int pointerIndexMethodPageIndex=p;
    	if(pointerIndexMethodPageIndex==1) {
    		firstPageIndexFlag=true;
    		return 0;
    	}
    	Boolean lastPageIndexFlag=false;
    	if(pointerIndexMethodPageIndex==(n-1-1)) {
    		lastPageIndexFlag=true;
    		return 0;
    	}
    	int pointerIndexMethodPageIndexCopy=0;
    	int checkPageIndexForwardTimes=0;
    	int[] checkPageIndexTimeArr=new int[2];
    	for(int i=2;i<n;i+=2) {
    		if(!(pointerIndexMethodPageIndexCopy==0 || pointerIndexMethodPageIndexCopy==1)) {
    			return 0;
    		}
    		checkPageIndexForwardTimes++;
    		if(!(pointerIndexMethodPageIndex==i)) {
    			continue;
    		}
    		checkPageIndexTimeArr[0]=checkPageIndexForwardTimes;
    		break;
    	}
    	int checkPageIndexTimeBackwardTimes=0;
    	for(int i=n-1;i>1;i-=2) {
    		checkPageIndexTimeBackwardTimes++;
    		if(!(pointerIndexMethodPageIndex==i)) {
    			continue;
    		}
    		checkPageIndexTimeArr[1]=checkPageIndexTimeBackwardTimes;
    		break;
    	}
    	if(checkPageIndexForwardTimes<checkPageIndexTimeBackwardTimes) {
    		return checkPageIndexForwardTimes;
    	}
    	return checkPageIndexTimeBackwardTimes;
    }
}

class IndexPair{
	private String id;
	private String name;
	private String indexPagePairName;
	private String pageCountStatisticId;
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getIndexPagePairName() {
		return indexPagePairName;
	}
	public void setIndexPagePairName(String indexPagePairName) {
		this.indexPagePairName = indexPagePairName;
	}
	public String getPageCountStatisticId() {
		return pageCountStatisticId;
	}
	public void setPageCountStatisticId(String pageCountStatisticId) {
		this.pageCountStatisticId = pageCountStatisticId;
	}
}

class BookPageIndex{
	private String id;
	private String name;
	private Integer pageIndex;
	private String indexPairId;
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Integer getPageIndex() {
		return pageIndex;
	}
	public void setPageIndex(Integer pageIndex) {
		this.pageIndex = pageIndex;
	}
	public String getIndexPairId() {
		return indexPairId;
	}
	public void setIndexPairId(String indexPairId) {
		this.indexPairId = indexPairId;
	}
}

class PageCountStatistic{
	private String id;
	private String name;
	private Integer forwardStepCountTimes;
	private Integer backwardStepCountTimes;
	private Integer STEPPAGESTEPONCETIEMONEPAGE=1;
	private Boolean steppageunitpair=true;
	public String getId() {
		return id;
	}
	public void setId(String id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public Integer getForwardStepCountTimes() {
		return forwardStepCountTimes;
	}
	public void setForwardStepCountTimes(Integer forwardStepCountTimes) {
		this.forwardStepCountTimes = forwardStepCountTimes;
	}
	public Integer getBackwardStepCountTimes() {
		return backwardStepCountTimes;
	}
	public void setBackwardStepCountTimes(Integer backwardStepCountTimes) {
		this.backwardStepCountTimes = backwardStepCountTimes;
	}
	public Integer getSTEPPAGESTEPONCETIEMONEPAGE() {
		return STEPPAGESTEPONCETIEMONEPAGE;
	}
	public void setSTEPPAGESTEPONCETIEMONEPAGE(Integer sTEPPAGESTEPONCETIEMONEPAGE) {
		STEPPAGESTEPONCETIEMONEPAGE = sTEPPAGESTEPONCETIEMONEPAGE;
	}
	public Boolean getSteppageunitpair() {
		return steppageunitpair;
	}
	public void setSteppageunitpair(Boolean steppageunitpair) {
		this.steppageunitpair = steppageunitpair;
	}
	
	
}