我也是0 public static void main(String[] args) { Scanner input=new Scanner(System.in); int n=input.nextInt(); int[][] a=new int[n][]; int[] result=new int[n]; int m=0; for(int i=0;i<n;i++) { m=input.nextInt(); a[i]=new int[m]; for(int j=0;j<m;j++) { a[i][j]=input.nextInt(); } Arrays.sort(a[i]); for(int j=0;j<m-2;j++) { if(a[i][j]==0) { continue; } a[i][a[i].length-1]-=a[i][j]; a[i][a[i].length-2]-=a[i][j]; result[i]+=a[i][j]; a[i][j]-=a[i][j]; Arrays.sort(a[i]); } } for(int i=0;i<n;i++) { System.out.println(result[i]); } }