【Java】AtCoder의 ABC-196에 참가했습니다(레이트:251→220).

import java.util.Scanner;

public class Main{
public static void main(String args[]){
  Scanner sc = new Scanner(System.in);
  int a = sc.nextInt();
  int b = sc.nextInt();
  int c = sc.nextInt();
  int d = sc.nextInt();
  int x = 0;
  int y = 0;
  if(a<b){
    x = b;
  }else{
    x = a;
  }

  if(c<d){
    y = c;
  }else{
    y = d;
  }

  System.out.println(x-y);  
}
}

B 문제

import java.util.Scanner;
import java.math.BigDecimal;

public class Main{
public static void main(String args[]){
  Scanner sc = new Scanner(System.in);
  String x = sc.next();
  char flg = '0';
  String xs = "";
  for(int i=0;i<x.length();i++){
  if(x.charAt(i)=='.'){
    flg = '1';
    break;
   }else{
     xs = xs + String.valueOf(x.charAt(i));
   } 
  }
System.out.println(xs);
}
}

감상