[JAVA] 백준 11399: ATM

https://www.acmicpc.net/problem/11399

	Scanner sc = new Scanner(System.in);
        
        int num = sc.nextInt();
        int[] arr = new int[num];
        
        for(int i=0; i<num; i++){
            arr[i] = sc.nextInt();
        }
        // Arrays.sort 메소드를 이용하면 ascending 순서로 숫자가 정렬된
        Arrays.sort(arr);
        
        int min = 0;
        int total = 0;
        for(int i=0; i< arr.length; i++) {
        	min += arr[i];
        	total += min;
        	
       }
        System.out.println(total);