백준[5585번] :: 거스름돈(Java11, 자바)

문제 링크 : www.acmicpc.net/problem/5585

5585번: 거스름돈

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풀었던 답

import java.util.Scanner;

class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
			
		int fiveH = 500;
		int oneH = 100;
		int fiveT = 50;
		int ten = 10;
		int five = 5;
		int one = 1;
		int count = 0; //거스름돈의 개수
		
		int exchange; //거스름돈 액수
		int price; //물건 가격 (입력 받을 변수)
		Scanner scan = new Scanner(System.in);
		price = scan.nextInt();
		exchange = 1000 - price;
		
		
			
		
		while(true) {
			if(exchange / fiveH >= 1) {
				//잔돈이 500엔으로 나눠지는경우
				count = count + (exchange / fiveH);
				exchange = exchange % fiveH;
			}else if(exchange / oneH >= 1) {
				//잔돈이 100엔으로 나눠지는경우
				count = count + (exchange / oneH);
				exchange = exchange % oneH;
			}else if(exchange / fiveT >= 1) {
				//잔돈이 50엔으로 나눠지는경우
				count = count + (exchange / fiveT);
				exchange = exchange % fiveT;
			}else if(exchange / ten >= 1) {
				//잔돈이 10엔으로 나눠지는경우
				count = count + (exchange / ten);
				exchange = exchange % ten;
			}else if(exchange / five >= 1) {
				//잔돈이 5엔으로 나눠지는경우
				count = count + (exchange / five);
				exchange = exchange % five;
			}else {
				//잔돈이 1엔으로 나눠지는경우
				count = count + (exchange / one);
				exchange = exchange % one;
			}
			
			if(exchange == 0) {
				//다 나눠지고 잔돈이 0원이 남았을 때 반복문 브레이크
				break;
			}
			
				
			
		}
		
		//반복분 출력
		System.out.println(count);
			
		
			
	}