Online JudgeProblem SetAuthorsOnline ContestsUser
Web Board
Home Page
F.A.Qs
Statistical Charts
Problems
Submit Problem
Online Status
Prob.ID:
Register
Update your info
Authors ranklist
Current Contest
Past Contests
Scheduled Contests
Award Contest
User ID:
Password:
  Register

Re:所有的测试数据都对,为什么还wrong answer 呢?

Posted by 519232826 at 2011-10-30 15:30:59 on Problem 1256
In Reply To:所有的测试数据都对,为什么还wrong answer 呢? Posted by:123456789987654321 at 2008-09-29 11:00:21
> #include<iostream>
> using namespace std;
> int an[20];
> char str[20],b[20];
> int compare(const void *e1,const void *e2)
> {
> 	return *((int*)e1)-*((int*)e2);
> }
> void sort(char * a,char * b,int len)
> {   
>     int	i,j,k=1;
> 	int x[26],y[26];
> 	memset(x,0,sizeof(x));
> 	memset(y,0,sizeof(y));
> 
> 	for(i=0;i<len;i++)
> 	{
> 		if(a[i]>='A'&&a[i]<='Z')
> 			x[a[i]-65]++;
> 		if(a[i]>='a'&&a[i]<='z')
> 			y[a[i]-97]++;
> 	}
> 	for(i=0;i<26;i++)
> 	{
> 		if(x[i]!=0)
> 		{
> 			for(j=1;j<=x[i];j++)
> 			 b[k++]=char(i+65);
> 		}
> 	    if(y[i]!=0)
> 		{
> 			for(j=1;j<=y[i];j++)
> 			 b[k++]=char(i+97);
> 		}
> 	}
> 	b[k]='\0';
> }
> 
> int main()
> {   
> 	freopen("in.txt","r",stdin);
> 	int len,i,j,k,m,n;
> 
> 	scanf("%d",&m);
> 	while(m--)
> 	{
>        cin>>str;
>        len=strlen(str);
> 	   n=len;
> 	   sort(str,b,len);
> 
>        //an[0]=100;
> 	   an[1]=1;
>        for(i=2;i<=len;i++)//映射成数字
> 	   {
> 		  if(b[i]!=b[i-1])
> 			  an[i]=an[i-1]+1;
> 		  else
> 			  an[i]=an[i-1];
> 	   }
> 
>       for(i=1;i<=len;i++) //输出第一个排列
> 		cout<<b[i];
> 	   cout<<endl;
>     
> 	   for(i=2;i<len;i++)  //将b中重复的去掉
> 	   {
> 		   if(b[i]==b[i-1])
> 		   {
> 			   for(j=i;j<len;j++)
> 				   b[j]=b[j+1];
> 		   }
> 	   }
> 
> 	   for(i=0;;i++)  //每次循环都找出下一个排列
> 	   {       
> 			for(j=n;j>=2&&an[j-1]>=an[j];j--);
> 			if(j>=2)
> 			{
> 				int nMinLarger=an[j];
> 				int nMinIdx=j;
> 				//下面找出从an[j]及其后最小的比an[j-1]大的元素,并记录其下标
> 				for(int kk=j;kk<=len;kk++)
> 					if(nMinLarger>an[kk]&&an[kk]>an[j-1])
> 					{
> 						nMinLarger=an[kk];
> 						nMinIdx=kk;
> 					}
> 					//交换位置
> 					an[nMinIdx]=an[j-1];
> 					an[j-1]=nMinLarger;
> 					qsort(an+j,n-j+1,sizeof(int),compare);
>                     
> 	                for(k=1;k<=n;k++)
> 				    printf("%c",b[an[k]]);
> 					cout<<endl;
> 			}
> 			else
> 				break;
> 	   }
> 	}
> 	return 0;
> }

Followed by:

Post your reply here:
User ID:
Password:
Title:

Content:

Home Page   Go Back  To top


All Rights Reserved 2003-2013 Ying Fuchen,Xu Pengcheng,Xie Di
Any problem, Please Contact Administrator