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C语言实现一个字符串的所有排列方式！
#include <stdio.h>
#include <stdlib.h>
void Permutation(char*a, char*current);
int main()
{
char s[30] = "abc";
Permutation(s, s);
system("pause");
return 0;
}
void Permutation(char*a, char*current)
{
if (*current == '\0')
printf("%s\n", a);
for (char*next = current; *next != '\0'; next++)
{
char tem = *current;
*current = *next;
*next = tem;
Permutation(a, current + 1);
tem = *current;
*current = *next;
*next = tem;
}
}运行截图
