1927374_ce.cpp

来自「北大大牛代码 1240道题的原代码 超级权威」· C++ 代码 · 共 22 行

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

int cmp(const void *a, const void *b)
{
  return *(char *)a - *(char *)b;
}

int main()
{
   int len;
   char str[100];
   
   scanf("%s",str);
   len = strlen(str);
   qsort(str,len,sizeof(str[0]),cmp);
   do
      puts(str);
   while(next_permutation(str,str+len));
    return 1;
}