2013成都赛区网络赛

#include<iostream>
#include<string>
#include<cstdio>
using namespace std;
int main()
{
    //freopen("in.txt","r",stdin);
    int t;
    string a,b("desu"),c("nanodesu");
    cin>>t;
    for(int k=1;k<=t;k++)
    {
        cin>>a;
        cout<<"Case #"<<k<<": ";
        if(a.size()>=4&&b==a.substr(a.size()-4,4))
        {
            string s(a.begin(),a.begin()+a.size()-4);
            cout<<s<<c;
        }
        else
            cout<<a<<c;
        cout<<endl;
    }
}

#include<iostream>
#include<string>
#include<cstdio>
using namespace std;
string A("aababb");
int main()
{
    int T;
    int N,M;
    cin>>T;
    for(int k=1; k<=T; k++)
    {
        cin>>M>>N;
        cout<<"Case #"<<k<<": ";
        if(M==1)
        {

            for(int i=0; i<N; i++)
                cout<<"a";
                puts("");
            //cout<<endl;
            continue;
        }
        if(M>=3)
        {
            int m=N/3;
            for(int i=0; i<m; i++)
                cout<<"abc";
            if(N%3==2)
                cout<<"ab";
            else if(N%3==1)
                cout<<"a";
            cout<<endl;
            continue;
        }

        if(N==1)
            cout<<"a"<<endl;
        else if(N==2)
            cout<<"ab"<<endl;
        else if(N==3)
            cout<<"aab"<<endl;
        else if(N==4)
            cout<<"aabb"<<endl;
        else if(N==5)
            cout<<"aaaba"<<endl;
        else if(N==6)
            cout<<"aaabab"<<endl;
        else if(N==7)
            cout<<"aaababb"<<endl;
        else if(N==8)
            cout<<"aaababbb"<<endl;
        else
        {
            cout<<"aa";
            N-=2;
            int m=N/6,t=N%6;
            for(int i=0; i<m; i++)
                cout<<"aababb";
            if(t<=4)
                for(int i=0; i<t; i++)
                    cout<<"a";
            else
                for(int i=0; i<t; i++)
                    cout<<A[i];
            cout<<endl;
        }
    }
    return 0;
}