回答編集履歴
2
複数行のためのループを忘れてた
test
CHANGED
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@@ -18,17 +18,21 @@
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18
18
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19
19
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Scanner data = new Scanner(System.in);
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20
20
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21
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-
l
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21
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+
while(data.hasNextLong()){
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22
22
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23
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-
long
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23
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long a = data.nextLong();
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24
24
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25
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-
long
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25
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long b = data.nextLong();
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26
26
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27
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+
long gcd = gcd(a, b);
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28
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+
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27
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-
long lcm = a * b / gcd;
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29
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+
long lcm = a * b / gcd;
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28
30
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29
31
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30
32
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31
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-
System.out.println(gcd+" "+lcm);
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33
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+
System.out.println(gcd+" "+lcm);
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34
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+
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35
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}
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32
36
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33
37
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}
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34
38
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1
回答変更、再帰のススメ
test
CHANGED
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@@ -1,3 +1,49 @@
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1
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-
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1
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+
ozwkさんの回答がまさにその通りだと思いますね。
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2
2
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3
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+
個人的にはこういう紛れをなくすためにも再帰関数で定義したほうが良いと思います。
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4
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5
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6
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7
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```java
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8
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9
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+
import java.util.Scanner;
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10
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+
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11
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+
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12
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+
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13
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public class Main {
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14
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15
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16
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17
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public static void main(String[] args) {
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18
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19
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Scanner data = new Scanner(System.in);
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20
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21
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long a = data.nextLong();
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22
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+
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23
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long b = data.nextLong();
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24
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+
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25
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+
long gcd = gcd(a, b);
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26
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+
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27
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+
long lcm = a * b / gcd;
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28
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+
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29
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+
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30
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+
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31
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System.out.println(gcd+" "+lcm);
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32
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+
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33
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}
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34
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+
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35
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}
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36
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37
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+
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38
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+
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3
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-
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39
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+
public static long gcd(long a, long b){
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40
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+
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41
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return b == 0 ? a : gcd(b, a % b);
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42
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43
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}
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44
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+
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45
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+
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46
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+
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47
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+
}
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48
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+
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49
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+
```
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