From 5f16f649bf41341211abc81a6ee6fdd0e1ec88b1 Mon Sep 17 00:00:00 2001 From: CyC2018 <1029579233@qq.com> Date: Tue, 27 Feb 2018 14:49:27 +0800 Subject: [PATCH] auto commit --- notes/剑指 offer 题解.md | 9 +++++++-- notes/计算机操作系统.md | 8 ++++---- 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/notes/剑指 offer 题解.md b/notes/剑指 offer 题解.md index 97a24945..2fd532b2 100644 --- a/notes/剑指 offer 题解.md +++ b/notes/剑指 offer 题解.md @@ -87,7 +87,7 @@ **Ŀ** -һΪ n ֶ 0 n-1 ķΧڡ ijЩظģ֪мظġҲ֪ÿظΡҳһظ֡ 磬볤Ϊ 7 {2, 3, 1, 0, 2, 5, 3}ôӦǵһظ 2 +һΪ n ֶ 0 n-1 ķΧڡijЩظģ֪мظġҲ֪ÿظΡҳһظ֡磬볤Ϊ 7 {2, 3, 1, 0, 2, 5, 3}ôӦǵһظ 2 **˼·** @@ -95,6 +95,7 @@ ```java public boolean duplicate(int numbers[], int length, int[] duplication) { + if(numbers == null || length <= 0) return false; for (int i = 0; i < length; i++) { while (numbers[i] != i && numbers[i] != numbers[numbers[i]]) { swap(numbers, i, numbers[i]); @@ -120,6 +121,10 @@ private void swap(int[] numbers, int i, int j) { һάУÿһжմҵ˳ÿһжմϵµ˳һһάһжǷи +**˼·** + +ϽǿʼҡΪеһߵСĴˣϽǿʼңͿ target ͵ǰԪصĴСϵıке±꣬ӶС䡣 + ```java public boolean Find(int target, int [][] array) { if (array == null || array.length == 0 || array[0].length == 0) return false; @@ -169,7 +174,7 @@ public String replaceSpace(StringBuffer str) { ## 6. βͷӡ -Ȼ Collections.reverse(). +Ȼ Collections.reverse() ```java public ArrayList printListFromTailToHead(ListNode listNode) { diff --git a/notes/计算机操作系统.md b/notes/计算机操作系统.md index af39dfd8..2bbd65c1 100644 --- a/notes/计算机操作系统.md +++ b/notes/计算机操作系统.md @@ -156,13 +156,13 @@ ### 3. -- **ӵԴ**ԴĻλ̲߳ӵԴ߳̿Է̵Դ +- ӵԴԴĻλ̲߳ӵԴ߳̿Է̵Դ -- ****߳ǶȵĻλͬһУ̵߳ллһڵ߳лһе߳ʱл +- ȣ߳ǶȵĻλͬһУ̵߳ллһڵ߳лһе߳ʱл -- **ϵͳ**ڴʱϵͳҪΪ֮Դڴռ䡢I/O 豸ȣ˲ϵͳĿԶڴ߳ʱĿƵأڽнлʱ漰ǰִн CPU ı漰µȽ CPU á߳лʱֻ豣ĴݣС +- ϵͳڴʱϵͳҪΪ֮Դڴռ䡢I/O 豸ȣ˲ϵͳĿԶڴ߳ʱĿƵأڽнлʱ漰ǰִн CPU ı漰µȽ CPU á߳лʱֻ豣ĴݣС -- **ͨŷ**̼ͨ (IPC) ҪͬͻֶεĸԱ֤ݵһԣֱ̼߳ͨӶ/дͬһеݶΣȫֱͨš +- ͨŷ棺̼ͨ (IPC) ҪͬͻֶεĸԱ֤ݵһԣֱ̼߳ͨӶ/дͬһеݶΣȫֱͨš QQ ̣к̣ܶ߳ HTTP ̡߳¼Ӧ̡߳Ⱦ̵߳ȵȣ̵߳IJִʹеһӴӶ HTTP ʱӦû¼