[SWEA] 유효숫자 표기

 

 

[문제]

https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AXCjn9TKJmUDFAX0

SW Expert Academy

 

 

 

[소스 코드]

import java.io.*;
import java.util.*;
public class Solution {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int T = Integer.parseInt(br.readLine());
		for(int tc=1;tc<=T;tc++) {
			String nums = br.readLine();
			int d = nums.length() - 1;
			int c = (int)Math.round((nums.charAt(2)-'0')*0.1);
			int b = nums.charAt(1)-'0' + c;
			int a = nums.charAt(0) - '0';
			if(b==10) {
				a++;
				b = 0;
			}
			if(a==10) {
				a = 1;
				d++;
			}
			System.out.println("#"+tc+" "+a+"."+b+"*10^"+d);
		}
	}
}