问个题目!?求教!
程序代码:
#include <stdio.h>
void reverse_string()
{
char *str = "abcd";
char *last_char;
for(last_char = str; *last_char != '\0'; last_char++);
last_char--;
while(str < last_char)
{
char temp;
temp = *str;
*str++ = *last_char;
*last_char-- = temp;
}
printf("%s\n",str);
}
int main()
{
reverse_string();
return 0;
}
void reverse_string()
{
char *str = "abcd";
char *last_char;
for(last_char = str; *last_char != '\0'; last_char++);
last_char--;
while(str < last_char)
{
char temp;
temp = *str;
*str++ = *last_char;
*last_char-- = temp;
}
printf("%s\n",str);
}
int main()
{
reverse_string();
return 0;
}
结果输不出来?
?????
求教
貌似地址跑到哪里去了?
不能用数组
实现字符串反向
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char *str = "abcd";
这就是你的致命错误
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??
姐姐! 详细点!
要动态分配?
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你这是TC经典错误
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我用的是VC
靠!看来被书寒死了!
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new了下,怎么还不行啊?
郁闷!
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给你改了一下
#include <stdio.h>
void reverse_string()
{
char str[] = "abcd";
char *first_char,*last_char;
for(first_char = last_char = str; *last_char != '\0'; last_char++);
last_char--;
while(first_char < last_char)
{
char temp;
temp = *first_char;
*first_char++ = *last_char;
*last_char-- = temp;
}
printf("%s\n",str);
}
int main()
{
reverse_string();
return 0;
}
void reverse_string()
{
char str[] = "abcd";
char *first_char,*last_char;
for(first_char = last_char = str; *last_char != '\0'; last_char++);
last_char--;
while(first_char < last_char)
{
char temp;
temp = *first_char;
*first_char++ = *last_char;
*last_char-- = temp;
}
printf("%s\n",str);
}
int main()
{
reverse_string();
return 0;
}
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学习了。谢谢
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谢谢!
永夜的极光
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tupian
说实话,那个图片真的不怎么样,你还是换了吧,雨中飞燕,太大了,而且也不好看 ----------------解决方案--------------------------------------------------------