UVA 514 - Rails

/*************************************
******** Team : BUBT_HIDDEN **********
**************************************
*********** Shipu Ahamed *************
*************************************/

#include
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#define ll long long
#define sc scanf
#define pf printf
#define pi 2*acos(0.0)

#define ft first
#define se second
#define st(s) s.size();
#define input freopen("in.txt","r",stdin)
#define output freopen("out.txt","w",stdout)
#define maxall(v) *max_element(v.begin(),v.end())
#define minall(v) *min_element(v.begin(),v.end())
#define Sort(v) sort(v.begin(),v.end())
#define un(v) Sort(v), v.erase(unique(v.begin(),v.end()),v.end())
#define cover(a,d) memset(a,d,sizeof(a))
using namespace std;
int main()
{
    input;
    output;

    int t,s,b[100000];
    while(sc("%d",&t)==1)
    {
        if(t==0)
        break;
        vectorv;
        int f=0;
        while(1)
        {
            for(int i=0;ist;
            int c=0;
            s=v.size();
            for(int i=0;it)
                break;
            }
            v.clear();
             if(!st.empty()){
               pf("No\n");
                }
            else
            pf("Yes\n");
        }
    }
    return 0;
}