十二生肖判斷與圖檔C++交談式xeus-cling/Jupyter開發

十二生肖判斷與圖檔CPP xeus cling Jupyter開發。12生肖這類程式當然可用if-else-if或是switch-case寫，但用陣列其實會更好。
string Z[12]={"鼠","牛","虎","兔","龍","蛇","馬","羊","猴","雞","狗","豬"};