Hdu 2167输入处理

http://acm.hdu.edu.cn/showproblem.php?pid=2167

Input

Each board is expressed as a series of lines, where each line is a space-delimited series of numbers. A blank line marks the end of each board (including the last one)（根据题意最后也有一个空行）

#include < iostream >
#include < sstream >
#include < string >
#include < vector >
using   namespace  std;

bool  run()
... {
    string s;
    vector <vector <int> > v;

    while(true)
    ...{
        if (!getline(cin,s)) return false;
        if (s=="")break;
        stringstream ss(s);
        int t;
        vector <int> tv;
        while(ss>>t)
        ...{
            tv.push_back(t);
        }
        v.push_back(tv);        
    }

    for(int i=0;i<v.size();i++)
    ...{
        for(int j=0;j<v[i].size();j++)
            cout << " "<<v[i][j];
        cout << endl;
    }

        cout <<endl;
        
    return true;
}

int  main() ... {
    while(run());
    return 0;
}