贪心算法实现找钱问题-java
(2011-04-23 13:09:17)
标签:
贪心算法找钱it |
分类: java |
//现有面值不等的零钱,通过贪心算法实现找零操作,比如输入二角五分、一角、五分和一分的零钱,本程序定//义以分为单位,程序代码如下:
package test;
import java.util.Scanner;
public class TanXin {
public
static void sort(int a[]){
for (int i = 0; i < a.length; i++)
{
for (int j = i+1; j < a.length;
j++) {
if(a[i]<a[j]){
int t=a[i];
a[i]=a[j];
a[j]=t;
}
}
}
}
public
static void main(String[] args) {
//数组定义零钱
int[] str=new int[4];
System.out.println("请输入四个零钱面值:(回车输入)");
Scanner sc1=new Scanner(System.in);
for (int i = 0; i < str.length;
i++) {
str[i]=sc1.nextInt();
}
sort(str);
//接收要找钱数value
System.out.println("请输入要找的钱数:");
Scanner sc = new Scanner(System.in);
int value=Integer.parseInt(sc.next()+"");
//
System.out.println(value);
//进行判断找零
for (int i = 0; i < str.length;
i++) {
if(value>=str[i]){
package test;
import java.util.Scanner;
public class TanXin {
//

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