simplify: 70. Climbing Stairs

HC-kang · HC-kang · commit 7e66c5416fdb · 2024-08-27T08:29:55.000+09:00
diff --git a/climbing-stairs/HC-kang.ts b/climbing-stairs/HC-kang.ts
@@ -3,11 +3,9 @@
 function climbStairs(n: number): number {
   let p = 0;
   let q = 1;
-  let t: number;
   for (let i = 0; i < n; i++) {
-    t = p + q;
-    p = q;
-    q = t;
+    q = q + p;
+    p = q - p;
   }
   return q;
 }

Original file line number	Diff line number	Diff line change
`@@ -3,11 +3,9 @@`
`3`	`3`	`function climbStairs(n: number): number {`
`4`	`4`	`let p = 0;`
`5`	`5`	`let q = 1;`
`6`		`- let t: number;`
`7`	`6`	`for (let i = 0; i < n; i++) {`
`8`		`- t = p + q;`
`9`		`- p = q;`
`10`		`- q = t;`
	`7`	`+ q = q + p;`
	`8`	`+ p = q - p;`
`11`	`9`	`}`
`12`	`10`	`return q;`
`13`	`11`	`}`