- #include<iostream>
- #include<cstdlib>
- #include<ctime>
- using namespace std;
- int main()
- {
- int a,b,c;
- int run=1;
- float three=0;
- int rate;
- int d;
- cout<<"$$ 吃角子老虎機中獎機率評估程式 $$"<<endl;
- cout<<"中獎規則說明:"<<endl;
- cout<<"任一欄出現 7-->您投下的賭注成兩倍"<<endl;
- cout<<"任兩欄出現 7-->您投下的賭注成十"<<endl;
- cout<<"三欄現 7-->您投下的賭注成一百"<<endl;
- cout<<"請輸入您要測試的次數"<<endl;
- cin>>d;
- system("pause");
- srand(time(NULL));
- while(run<=d)
- {
- a=rand()%10;
- b=rand()%10;
- c=rand()%10;
- cout<<a<<" "<<b<<" "<<c<<endl;
- if((a==7 && b!=7 && c!=7)||(a!=7 && b==7 && c!=7)||(a!=7 && b!=7 && c==7))
- {
- three++;
- }
- run++;
- }
- rate=three/d*100;
- cout<<"在這"<<d<<"次測試中共中三獎"<<three<<"次,中獎率是" <<rate<<"%";
-
- system("pause");
- return 0;
- }
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