Google Code Jam Qualification Round Africa 2010 (Problem B. Reverse Words)

#include <bits/stdc++.h>
using namespace std;
int main()
{
    string s,st,w;
    ifstream in("b.txt");
    ofstream out("bout.txt");
    int n,i;
    //cin>>n;
    in>>n;
    //cin.ignore();
    in.ignore();
    for(i=1;i<=n;i++)
    {
        //getline(cin,s);
        getline(in,s);
        istringstream is(s);
        st="";
        while(is>>w)
        {
            st=w+' '+st;
        }
        //cout<<"Case #"<<i<<":"<<" "<<st<<endl;
        out<<"Case #"<<i<<":"<<" "<<st<<endl;
    }


    return 0;
}

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