CoderOilStation(程序员编程助手科技股份责任有限公司)
pageCount
student flip page once time one page
page index print at each page right bottom
page index pairs
/**
* 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 rightbotomfrom the last pairs
* normal page index pairs contains two page : page index print at each page rightbotom
* 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 rankasendingtop 1 step page times
* constraints
* 1<=n<=10to5
* 1<=p<=n
*@paramn
*@paramp
*@return
*/
publicstaticintpageCount(intn,intp) {
intintVal=1;
for(inti=0;i<5;i++) {
intVal*=10;
}
if(n<1 ||n>intVal) {
return0;
}
if(p<1 ||p>n) {
return0;
}
if(n%2==0) {
n+=2;
}
n++;
BooleanfirstPageIndexFlag=false;
intpointerIndexMethodPageIndex=p;
if(pointerIndexMethodPageIndex==1) {
firstPageIndexFlag=true;
return0;
}
BooleanlastPageIndexFlag=false;
if(pointerIndexMethodPageIndex==(n-1-1)) {
lastPageIndexFlag=true;
return0;
}
intpointerIndexMethodPageIndexCopy=0;
intcheckPageIndexForwardTimes=0;
int[]checkPageIndexTimeArr=newint[2];
for(inti=2;i<n;i+=2) {
if(!(pointerIndexMethodPageIndexCopy==0 ||pointerIndexMethodPageIndexCopy==1)) {
return0;
}
checkPageIndexForwardTimes++;
if(!(pointerIndexMethodPageIndex==i)) {
continue;
}
checkPageIndexTimeArr[0]=checkPageIndexForwardTimes;
break;
}
intcheckPageIndexTimeBackwardTimes=0;
for(inti=n-1;i>1;i-=2) {
checkPageIndexTimeBackwardTimes++;
if(!(pointerIndexMethodPageIndex==i)) {
continue;
}
checkPageIndexTimeArr[1]=checkPageIndexTimeBackwardTimes;
break;
}
if(checkPageIndexForwardTimes<checkPageIndexTimeBackwardTimes) {
returncheckPageIndexForwardTimes;
}
returncheckPageIndexTimeBackwardTimes;
}
classIndexPair{
privateStringid;
privateStringname;
privateStringindexPagePairName;
privateStringpageCountStatisticId;
publicString getId() {
returnid;
}
publicvoidsetId(Stringid) {
this.id=id;
}
publicString getName() {
returnname;
}
publicvoidsetName(Stringname) {
this.name=name;
}
publicString getIndexPagePairName() {
returnindexPagePairName;
}
publicvoidsetIndexPagePairName(StringindexPagePairName) {
this.indexPagePairName=indexPagePairName;
}
publicString getPageCountStatisticId() {
returnpageCountStatisticId;
}
publicvoidsetPageCountStatisticId(StringpageCountStatisticId) {
this.pageCountStatisticId=pageCountStatisticId;
}
}
classBookPageIndex{
privateStringid;
privateStringname;
privateIntegerpageIndex;
privateStringindexPairId;
publicString getId() {
returnid;
}
publicvoidsetId(Stringid) {
this.id=id;
}
publicString getName() {
returnname;
}
publicvoidsetName(Stringname) {
this.name=name;
}
publicInteger getPageIndex() {
returnpageIndex;
}
publicvoidsetPageIndex(IntegerpageIndex) {
this.pageIndex=pageIndex;
}
publicString getIndexPairId() {
returnindexPairId;
}
publicvoidsetIndexPairId(StringindexPairId) {
this.indexPairId=indexPairId;
}
}
classPageCountStatistic{
privateStringid;
privateStringname;
privateIntegerforwardStepCountTimes;
privateIntegerbackwardStepCountTimes;
privateIntegerSTEPPAGESTEPONCETIEMONEPAGE=1;
privateBooleansteppageunitpair=true;
publicString getId() {
returnid;
}
publicvoidsetId(Stringid) {
this.id=id;
}
publicString getName() {
returnname;
}
publicvoidsetName(Stringname) {
this.name=name;
}
publicInteger getForwardStepCountTimes() {
returnforwardStepCountTimes;
}
publicvoidsetForwardStepCountTimes(IntegerforwardStepCountTimes) {
this.forwardStepCountTimes=forwardStepCountTimes;
}
publicInteger getBackwardStepCountTimes() {
returnbackwardStepCountTimes;
}
publicvoidsetBackwardStepCountTimes(IntegerbackwardStepCountTimes) {
this.backwardStepCountTimes=backwardStepCountTimes;
}
publicInteger getSTEPPAGESTEPONCETIEMONEPAGE() {
returnSTEPPAGESTEPONCETIEMONEPAGE;
}
publicvoidsetSTEPPAGESTEPONCETIEMONEPAGE(IntegersTEPPAGESTEPONCETIEMONEPAGE) {
STEPPAGESTEPONCETIEMONEPAGE=sTEPPAGESTEPONCETIEMONEPAGE;
}
publicBoolean getSteppageunitpair() {
returnsteppageunitpair;
}
publicvoidsetSteppageunitpair(Booleansteppageunitpair) {
this.steppageunitpair=steppageunitpair;
}
}
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