import java.util.*;
public class LotteryOdds {
public static void main (String[] args){
Scanner in = new Scanner(System.in);
System.out.print("How many numbers do you need to draw");
int k = in.nextInt();
System.out.print("Whit is the highest number you can draw");
int n = in.nextInt();
int lotteryOdds = 1;
for (int i=1; i<=k ;i++)
lotteryOdds=lotteryOdds*(n-i+1)/i;
System.out.println("Your odds are 1 in"+lotteryOdds+"Good luck!");
}
}
用来计算彩票中奖机率 可是编译后 不进行循环计算直接退出
How many numbers do you need to draw 5
Whit is the highest number you can draw 1
Your odds are 1 in 0 Good luck!
上面是返回的结果 难道是我人品差????????????????
public class LotteryOdds {
public static void main (String[] args){
Scanner in = new Scanner(System.in);
System.out.print("How many numbers do you need to draw");
int k = in.nextInt();
System.out.print("Whit is the highest number you can draw");
int n = in.nextInt();
int lotteryOdds = 1;
for (int i=1; i<=k ;i++)
lotteryOdds=lotteryOdds*(n-i+1)/i;
System.out.println("Your odds are 1 in"+lotteryOdds+"Good luck!");
}
}
用来计算彩票中奖机率 可是编译后 不进行循环计算直接退出
How many numbers do you need to draw 5
Whit is the highest number you can draw 1
Your odds are 1 in 0 Good luck!
上面是返回的结果 难道是我人品差????????????????
lotteryOdds=lotteryOdds*(n-i+1)/i;
System.out.println("Your odds are 1 in"+lotteryOdds+"Good luck!");
}
写代码的规范阿,为啥都不加大括号呢???这样只是循环了后面一行代码
Whit is the highest number you can draw7
Your odds are 1 in7Good luck!
Your odds are 1 in21Good luck!
Your odds are 1 in35Good luck!
Your odds are 1 in35Good luck!
Your odds are 1 in21Good luck!
Your odds are 1 in7Good luck!
Your odds are 1 in1Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
Your odds are 1 in0Good luck!
按照1楼给的方法 还是不对