{"trustable":false,"sections":[{"title":"","value":{"format":"HTML","content":""}},{"title":"Input","value":{"format":"HTML","content":""}},{"title":"Output","value":{"format":"HTML","content":""}},{"title":"Sample Input","value":{"format":"HTML","content":"\u003cpre\u003e1\n5 1 -5 3\u003c/pre\u003e"}},{"title":"Sample Output","value":{"format":"HTML","content":"\u003cpre\u003e2\u003c/pre\u003e"}}]}