/*
指定长度的字符串排列问题
Time : 2012 4 4 20:22
Author : C
*/
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#define max 100
static char s[max],c[max],t[max][max],a[max];
static int length,judge,number=0,j=0,count=0;
static bool v[max];
void DelDouble();
void DFS(char *s,int len);
int main();
void print()
{
puts(" ●●●●●● ");
puts(" ●全排列问题● ");
puts(" ●●●●●● ");
puts("请输入字符串:");
scanf("%s......
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