add: 只出现一次的数字等

2019-03-10 16:43:04 +08:00
parent 930ff1be11
commit 8239e7afd5
106 changed files with 7978 additions and 0 deletions
--- a/test/array/number-of-islands.test.js
+++ b/test/array/number-of-islands.test.js
@ -0,0 +1,17 @@
+import { numIslands } from '../../src/array/number-of-islands'
+
+test('岛屿的个数', () => {
+  expect(numIslands([
+    [1, 1, 0, 0, 0],
+    [0, 1, 0, 0, 1],
+    [0, 0, 0, 1, 1],
+    [0, 0, 0, 0, 0],
+    [0, 0, 0, 0, 1]
+  ])).toBe(3)
+
+  expect(numIslands([
+    [1, 1]
+  ])).toBe(1)
+
+  expect(numIslands([])).toBe(0)
+})