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36 lines (29 loc) · 795 Bytes
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import java.util.Scanner;
public class Ch5_5
{
/*
* 参数head，头数
* 参数foot，脚数
* 参数tu，存放兔子的个数
* 参数ji，存放鸡的个数
*/
static void JTTL(int head,int foot,int[] tu,int[] ji)
{
tu[0]=(foot-2*head)/2; //兔子的数量
// ji[0]=head-tu[0]; //鸡的数量
ji[0]=2*head-foot/2; //鸡的数量
}
public static void main(String[] args)
{
int[] ji={0},tu={0};
int head,foot;
System.out.printf("鸡兔同笼问题求解!\n");
System.out.printf("输入头数:");
Scanner input=new Scanner(System.in);
head=input.nextInt(); //输入头数
System.out.printf("输入脚数:");
foot=input.nextInt(); //输入脚数
JTTL(head,foot,tu,ji);
System.out.printf("鸡有:%d只,兔子有:%d只。\n",ji[0],tu[0]);
}
}