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import java.util.Scanner; import java.lang.Math; public class Main { public static void main(String[] args) { Scanner t = new Scanner(System.in); int n =t.nextInt(); int[] a = new int[100]; int i; int d1 = 0, d2= 0; for(i = 0;i<n;i++) { a[i] = t.nextInt(); } for(i = 0; i < n;i++) { if(a[i] == 1) { d1+=1; } else d2+=1; } int count = Math.abs(d2 - d1); System.out.print(count); } }
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