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不知道为什么WA啊.......#include<iostream>
#include<algorithm>
#include<cstring>
#include<math.h>
using namespace std;
struct str
{
char st[21];
int min;
};
struct str s[21];
void searchmin(int u,int len)
{
int i=0,temp;
for(;i<len-1;i++)
{
temp=s[u].st[i]-s[u].st[i+1];
if(s[u].min>abs(temp))
s[u].min=abs(temp);
}
}
int main()
{
int pos,i,len,Max;
char s1[21],s2[21];
while(scanf("%s",s1)!=EOF)
{
for(i=0;i<21;i++)
s[i].min=9999;
Max=-1;
len=strlen(s1);
strcpy(s[10].st,s1);
strcpy(s2,s1);
for(i=0;i<10;i++)
{
prev_permutation(s1,s1+len);
strcpy(s[i].st,s1);
}
for(i=11;i<21;i++)
{
next_permutation(s2,s2+len);
strcpy(s[i].st,s2);
}
for(i=0;i<21;i++)searchmin(i,len);
for(i=0;i<21;i++)
if(s[i].min>Max)
{
pos=i;Max=s[i].min;
}
printf("%s%d\n",s[pos].st,s[pos].min);
}
return 0;
}
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