用C语言逐字翻译字符串

时间:2012-09-03 17:03:53

标签: c

我的代码下面有问题,我正在尝试反转字符串,但我有运行时错误,有人可以帮我查一下吗?问题是:
 例如:

INPUT:char * s =“这是我的字符串”

OUTPUT:“string my is This”

#include <iostream>   
using namespace std;

void reverse(char *str, int start, int end){
    char tmp; 
    while(end > start){
        tmp = str[end];
        str[end] = str[start];
        str[start] = tmp;
        end--;
        start++;
    }
}

int main()
{
   char *s = "This is my string";
   int len = strlen(s);
   int start = 0;
   int end = len-1;
   reverse(s, start, end);   
   printf("%s", s); 
   end = 0;
   while( end < len){
        if(s[end] == ' '||s[end] =='\0'){
            while(s[start]==' ')
                start++;
            reverse(s,start,end-1);
            start = end;
        }   
        end++;
   }
   printf("%s", s); 
   cin.get();
}

1 个答案:

答案 0 :(得分:3)

您无法修改此字符串:

char *s = "This is my string";

你已经宣布错误,它应该是

const char* = "This is my string";

通常,这些字符串分配在您无法写入的内存区域中。您应该创建另一个缓冲区来将反转的字符串写入。