From 25e26f1f86bf246f93560710f41dcf5a26414770 Mon Sep 17 00:00:00 2001
From: Steve2020 <841532108@qq.com>
Date: Sun, 1 May 2022 13:45:25 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0(0746.=E4=BD=BF=E7=94=A8?=
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---
 problems/0746.使用最小花费爬楼梯.md | 23 ++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/problems/0746.使用最小花费爬楼梯.md b/problems/0746.使用最小花费爬楼梯.md
index c356955a..5931fc8a 100644
--- a/problems/0746.使用最小花费爬楼梯.md
+++ b/problems/0746.使用最小花费爬楼梯.md
@@ -266,7 +266,30 @@ var minCostClimbingStairs = function(cost) {
 };
 ```
 
+### TypeScript
+
+```typescript
+function minCostClimbingStairs(cost: number[]): number {
+    /**
+        dp[i]: 走到第i阶需要花费的最少金钱
+        dp[0]: cost[0];
+        dp[1]: cost[1];
+        ...
+        dp[i]: min(dp[i - 1], dp[i - 2]) + cost[i];
+     */
+    const dp: number[] = [];
+    const length: number = cost.length;
+    dp[0] = cost[0];
+    dp[1] = cost[1];
+    for (let i = 2; i <= length; i++) {
+        dp[i] = Math.min(dp[i - 1], dp[i - 2]) + cost[i];
+    }
+    return Math.min(dp[length - 1], dp[length - 2]);
+};
+```
+
 ### C
+
 ```c
 int minCostClimbingStairs(int* cost, int costSize){
     //开辟dp数组，大小为costSize