Leetcode744.java

packagecom.company;

publicclassLeetcode744 {
publicstaticvoidmain(String[] args) {
char[] arr={'c','f','j'};
chartarget='c';

intans=ceiling(arr,target);

if(ans==-1){
System.out.println("Empty Array");
 }
else
System.out.println("Ceiling="+arr[ans]);
 }

staticintceiling(char[] arr, chartarget){
intstart=0,end=arr.length-1;
if(arr.length==0){
return -1;
 }

while(end>=start){
intmid=start+(end-start)/2;

if(target>=arr[mid]){
start=mid+1;
 }
elseif(target<arr[mid]){
end=mid-1;
 }
 }
returnstart%arr.length;
 }
}