题解 | #扑克牌大小#
扑克牌大小
https://www.nowcoder.com/practice/d290db02bacc4c40965ac31d16b1c3eb
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.text.DateFormat;
import java.text.DecimalFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.temporal.ChronoUnit;
import java.util.*;
import java.util.function.Function;
import java.util.function.IntFunction;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import static java.util.Arrays.*;
import static java.util.stream.Stream.*;
public class Main {
public static void main(String[] args) throws IOException {
testTh();
}
private static void testTh() throws IOException {
BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
String str;
while ((str = bf.readLine()) != null) {
String[] split = str.split("-");
String[] ke = {"3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A", "2", "joker", "JOKER"};
Integer[] va = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14};
HashMap<String, Integer> hashMap = new HashMap<>();
for (int i = 0; i < ke.length; i++) {
hashMap.put(ke[i], va[i]);
}
ArrayList<Integer> arrayList_1 = new ArrayList<>();
ArrayList<Integer> arrayList_2 = new ArrayList<>();
ArrayList<Integer> integerArrayList_1 = getIntegerArrayList(arrayList_1,
split[0], hashMap);
ArrayList<Integer> integerArrayList_2 = getIntegerArrayList(arrayList_2,
split[1], hashMap);
if (isJOKER2(integerArrayList_1)) {
System.out.println(split[0]);
return;
}
if (isJOKER2(integerArrayList_2)) {
System.out.println(split[1]);
return;
}
boolean flag_0 = false;
boolean flag_1 = false;
if (integerArrayList_1.size() == 4) flag_0 = true;
if (integerArrayList_2.size() == 4) flag_1 = true;
if (flag_0 && flag_1) {
if (integerArrayList_1.get(0) > integerArrayList_2.get(0)) {
System.out.println(split[0]);
} else {
System.out.println(split[1]);
}
return;
} else if (flag_0 || flag_1) {
if (flag_0) {
System.out.println(split[0]);
} else {
System.out.println(split[1]);
}
return;
} else {
if (integerArrayList_1.size() != integerArrayList_2.size()) {
System.out.println("ERROR");
} else {
if (integerArrayList_1.get(0) > integerArrayList_2.get(0)) {
System.out.println(split[0]);
} else {
if (split[0].startsWith("J")) {
System.out.println(split[0]);
return;
} else if (split[1].startsWith("J")) {
System.out.println(split[1]);
return;
}
System.out.println(split[1]);
}
return;
}
}
}
}
public static ArrayList<Integer> getIntegerArrayList (ArrayList<Integer>
arrayList, String s, HashMap<String, Integer> hashMap) {
String[] strings = s.split(" ");
for (int i = 0; i < strings.length; i++) {
Integer integer = hashMap.get(strings[i]);
arrayList.add(integer);
}
return arrayList;
}
public static Boolean isJOKER2(ArrayList<Integer> arrayList) {
return arrayList.size() == 2 && arrayList.get(0) == 14 &&
arrayList.get(1) == 14;
}
}

查看9道真题和解析