fix halfrost#41

Author: halfrost

leetcode/0018.4Sum/18. 4Sum_test.go

@@ -49,7 +49,7 @@ func Test_Problem18(t *testing.T) {
 
 		question18{
 			para18{[]int{1, 0, -1, 0, -2, 2, 0, 0, 0, 0}, 1},
-			ans18{[][]int{[]int{-1, 0, 0, 1}, []int{-2, -1, 1, 2}, []int{-2, 0, 0, 2}, []int{0, 0, 0, 0}}},
+			ans18{[][]int{[]int{-1, 0, 0, 2}, []int{-2, 0, 1, 2}, []int{0, 0, 0, 1}}},
 		},
 	}