[SW Expert Academy] 희성이의 원근법 (D3)

https://swexpertacademy.com/main/code/problem/problemDetail.do?problemLevel=3&contestProbId=AWd7qcdatpEDFAUh&categoryId=AWd7qcdatpEDFAUh&categoryType=CODE&problemTitle=&orderBy=PASS_RATE&selectCodeLang=ALL&select-1=3&pageSize=10&pageIndex=12

SW Expert Academy

 

import java.util.Scanner;

class Solution {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		int t = sc.nextInt();

		for (int tc = 1; tc <= t; tc++) {
			int d = sc.nextInt();

			float km = (float) (d * 0.001);

			int ans = -1;

			if (km < 0.1) {
				ans = 0;
			} else if (km >= 0.1 && km < 1) {
				ans = 1;
			} else if (km >= 1 && km < 10) {
				ans = 2;
			}
			else if (km >= 10 && km < 100) {
				ans = 3;
			} else if (km >= 100 && km < 1000) {
				ans = 4;
			}
			else {
				ans=5;
			}
			
			System.out.println("#"+tc+" "+ans);

		}

	}
}