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// 3の倍数の時と3が付く数字の時、！を付けて表示
 
class Nabeatsu3 {
 
  public static void main(String[] args) {
    boolean threeFlag = false;
    for (int n = 1; n <= 500; n++) {
      int j = n;
      while(j>0){
        if(j%10==3) threeFlag=true;
        j=j/10;//整数同士は整数除算
      }
      if(n % 3 == 0) threeFlag=true;
      if (threeFlag){
        System.out.println(n + "!");
      } else {
        System.out.println(n);
      }
      threeFlag = false;
    }
  }
 
}

Success #stdin #stdout 0.07s 28688KB

stdin

Standard input is empty

stdout

https://ideone.com/0Q98O7

language:

Java (HotSpot 12)

created:

visibility:

public

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