LeetCode 344

Reverse String

Write a function that takes a string as input and returns the string reversed.

Example:
Given s = "hello", return "olleh".

 1 /*************************************************************************
 2     > File Name: LeetCode344.c
 3     > Author: Juntaran
 4     > Mail: [email protected]
 5     > Created Time: 2016年05月10日 星期二 02时25分37秒
 6  ************************************************************************/
 7
 8 /*************************************************************************
 9
10     Reverse String
11
12     Write a function that takes a string as input and returns the string reversed.
13
14     Example:
15     Given s = "hello", return "olleh".
16
17  ************************************************************************/
18
19 #include "stdio.h"
20
21 char* reverseString(char* s)
22 {
23     int i;
24     int length = strlen(s);
25     char temp;
26
27     for( i=0; i<length/2; i++ )
28     {
29         temp = s[i];
30         s[i] = s[length-i-1];
31         s[length-i-1] = temp;
32     }
33     return s;
34 }
35
36 int main()
37 {
38     char* s = "hello";
39     reverseString(s);
40     return 0;
41 }

时间： 2024-07-30 20:32:04

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