1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | import java.io._ object Main { def main(args: Array[String]) { var stdin = new BufferedReader(new InputStreamReader(System.in)); var a = stdin.readLine(); var b = stdin.readLine(); println("a is "+a+" b is "+b); if(a > b) println(a+" is greater"); else println(b+" is greater"); } } |
aW1wb3J0IGphdmEuaW8uXwpvYmplY3QgTWFpbiAKewoJZGVmIG1haW4oYXJnczogQXJyYXlbU3RyaW5nXSkgCgl7CgkJdmFyIHN0ZGluID0gbmV3IEJ1ZmZlcmVkUmVhZGVyKG5ldyBJbnB1dFN0cmVhbVJlYWRlcihTeXN0ZW0uaW4pKTsKCQl2YXIgYSA9IHN0ZGluLnJlYWRMaW5lKCk7CgkJdmFyIGIgPSBzdGRpbi5yZWFkTGluZSgpOwoJCXByaW50bG4oImEgaXMgIithKyIgYiBpcyAiK2IpOwoJCgkJaWYoYSA+IGIpCgkJCXByaW50bG4oYSsiIGlzIGdyZWF0ZXIiKTsKCQllbHNlCgkJCXByaW50bG4oYisiIGlzIGdyZWF0ZXIiKTsKCX0KfQo=
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upload with new input
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結果: Success time: 0.1s 記憶體: 211648 kB 回傳值: 0
5 10
a is 5 b is 10 5 is greater
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結果: 執行期間發生錯誤(RE) time: 0.1s 記憶體: 211648 kB 信號(Signal): -1
a is null b is null
Exception in thread "main" java.lang.NullPointerException at scala.collection.immutable.StringLike$class.compare(StringLike.scala:68) at scala.collection.immutable.StringOps.compare(StringOps.scala:31) at scala.collection.immutable.StringOps.compare(StringOps.scala:31) at scala.math.Ordered$class.$greater(Ordered.scala:46) at scala.collection.immutable.StringOps.$greater(StringOps.scala:31) at Main$.main(Main.scala:11) at Main.main(Main.scala)



