Equality.java

//problem: https://codeforces.com/problemset/problem/758/A

importjava.util.Scanner;
publicclassEquality{
publicstaticintfindGreatest(String[] arr){
intmax = Integer.MIN_VALUE;
for(Stringele: arr){
if(Integer.parseInt(ele) > max){
max = Integer.parseInt(ele);
 }
 }
returnmax; 
 }

publicstaticvoidmain(String[] args){
ScannersObj = newScanner(System.in);
intn = Integer.parseInt(sObj.nextLine());
String[] input = sObj.nextLine().split(" ");
intgreatest = findGreatest(input);
inttotal = 0;
for(Stringele: input){
total += greatest - Integer.parseInt(ele);
 }
System.out.println(total);
 }
}