add: 只出现一次的数字等

test/array/container-with-most-water.test.js

@@ -0,0 +1,7 @@
+import { maxArea } from '../../src/array/container-with-most-water'
+
+test('盛最多水的容器', () => {
+  expect(maxArea([1, 8, 6, 2, 5, 4, 8, 3, 7])).toBe(49)
+  expect(maxArea([1, 3, 2])).toBe(2)
+  expect(maxArea([1, 3, 2, 2])).toBe(4)
+})