题目1361：翻转单词顺序

http://ac.jobdu.com/problem.php?pid=1361

#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
using namespace std;
int main()
{
    char str[100000];
    while(gets(str))
    {
    int len,i,j;
    len=strlen(str);
    reverse(str,str+len);
 
     
 
    for(i=j=0;j<len;++j)
    {
        if(str[j]==' ')
        {
            reverse(str+i,str+j);
            i=j+1;
        }
     
    }
    reverse(str+i,str+j);
    puts(str);
    }
    return 0;
}