HDU 2021 发工资咯

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题目链接:

HDU2021链接

题目大意:
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中文题就不解释了

题目思路:其实这道题就一简单的贪心 从给的工资从最高的人民币往下开始算
先看它能否被当前人民币换掉 可以就除当前的人民币 看它能够被当前人民币换出几张 然后在对当前所剩的钱对当前人民币种类取余看它还剩多少钱 从100元到1元!!!!!

这里写图片描述

代码:

import java.io.BufferedInputStream;import java.util.Scanner;import javax.naming.InitialContext;public class Main {     static int num;     static int [] people;       public Main() {        work();    }      private void work() {        Scanner scanner=new Scanner(new BufferedInputStream(System.in));        while(scanner.hasNext()){            int t=scanner.nextInt();            if(t==0)                break;            num=0;            people=new int[105];            for(int i=0;i<t;i++){                people[i]=scanner.nextInt();                int n1=people[i]/100;                people[i]=people[i]-100*(people[i]/100);                int n2=people[i]/50;                people[i]=people[i]-50*(people[i]/50);                int n3=people[i]/10;                people[i]=people[i]-10*(people[i]/10);                int n4=people[i]/5;                people[i]=people[i]-5*(people[i]/5);                int n5=people[i]/2;                people[i]=people[i]-2*(people[i]/2);                int n6=people[i]/1;                people[i]=people[i]-1*(people[i]/1);                num+=n1+n2+n3+n4+n5+n6;            }            System.out.println(num);        }        scanner.close();    }    public static void main(String[] args) {         new Main();    }}

END!!!!!!!!!!!!

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