C++ :

#include <stdio.h>
#include <time.h>
#include <stdlib.h>
int main()
{
	srand(time(0));    //随机数发生器初始化，不初始化的话每次结果就都一样了
    int z[3];//存庄家掷的三个骰子的点数
    int player;//存玩家掷的骰子的点数
    int profit = 0;//庄家的盈利
    int rep;//庄家掷的三个骰子有几个与玩家的骰子相同
    for (int i = 0; i < 500000; i++)
    {
        rep=0;
        player=1+rand()%6;
        for (int j = 0; j < 3; j++)
        {
            z[j] = 1+rand()%6;
            if (player == z[j]) rep++;
        }
        switch (rep)
        { 
            case 1:
                profit -= 1; break;
            case 2:
                profit -= 2; break;
            case 3:
                profit -= 6; break;
            default:
                if (player * z[0] == z[1] * z[2] || player * z[1] == z[0] * z[2] || player * z[2] == z[0] * z[1])
                    continue;
                else
                    profit++;
                break;
        }
        
    }//模拟50万次结束
    printf("%d%%\n",int(profit/5000.0));
    return 0;
}