字符串反转

 

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

void reverse(char *s)
{
	int n = strlen(s);
	char temp;
	for (int i = 0, j = n - 1; i < n / 2; i++, j--)
	{
		temp = s[i];
		s[i] = s[j];
		s[j] = temp;
	}
}


int main()
{
	char s[50];
	scanf("%s", s);
	printf("strlrn of s is %d\n", strlen(s));
	reverse(s);
	printf("%s\n", s);
	return 0;
}