[求助]ACM题,老PE,怎么也找不出问题!!!!!!!!!

[hua_zhixing_]

#include<iostream>
#include<string>
using namespace std;
int main(){
    int m;
    unsigned int n;
    cin>>m;
    cin.ignore();
    for(int j=0; j<m; j++){
        string s,t,l;
        getline(cin, s);
        n=s.size();
        for(int i=0; i<n; i++){
             if(i==n-1){
                 t=s[i]+t;
                 l+=t;
             }
             else if(s[i]!=' ')  t=s[i]+t;
             else{
                 t+=s[i];
                 l+=t;
                 t.clear();
              }
        }
        cout<<l<<endl;
        //if(j!=m-1) cout<<endl;//最后一行不换行也不行.
    }
    return 0;
}

题目:http://acm.hdu.edu.cn/showproblem.php?pid=1062

[hua_zhixing_]

[Quote=引用 1 楼 chinayuppie 的回复:]
Remember to use getchar() to read '\n' after the interger T, then you may use gets() to read a line and process it.
[/Quote]
我试了下,还是不行啊,老兄!!!!

[booksoon]

Remember to use getchar() to read '\n' after the interger T, then you may use gets() to read a line and process it.

[ACgirl]

行末和和始的空格呢

[ACgirl]

1楼所说的楼主已经正确处理了

[baihacker]

//可能是空格个数的问题,我是原地翻转并AC的
#include<iostream>
#include<string>
using namespace std;
int main(){
    int m;
    unsigned int n;
    cin>>m;
    cin.ignore();
    for(int j=0; j<m; j++){
        string s,t,l;
        getline(cin, s);
        n=s.length();
        for (int i = 0, j = 0;;)
        {
			while (i < n && s[i] == ' ') ++i;
			if (i == n) break;
			j = i;
			while (j < n && s[j] != ' ') ++j;
			for (int x = i, y = j - 1; x < y; swap(s[x++], s[y--]));
			i = j;
        }
        cout<<s<<endl;
    }
    return 0;
}