Java IsFibo未返回所需结果
这是我想到的解决IsFibo HackerRank问题的方法。(). 我想知道为什么它在5分钟内不会返回“IsFibo”。我的逻辑可能是错误的,如果有人指出我的错误,我将不胜感激。代码如下:Java IsFibo未返回所需结果,java,fibonacci,Java,Fibonacci,这是我想到的解决IsFibo HackerRank问题的方法。(). 我想知道为什么它在5分钟内不会返回“IsFibo”。我的逻辑可能是错误的,如果有人指出我的错误,我将不胜感激。代码如下: import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static ArrayLi
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
public static ArrayList<BigInteger> fibList = new ArrayList<BigInteger>();
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner in = new Scanner(System.in);
int numCases = in.nextInt();
fibList.add(BigInteger.valueOf(0));
fibList.add(BigInteger.valueOf(1));
while(in.hasNextLine()) {
System.out.println(checkFibo(in.nextBigInteger()));
System.out.println(fibList);
}
}
public static String checkFibo(BigInteger i) {
int lastIndex = fibList.size() - 1;
int compareRes = i.compareTo(fibList.get(lastIndex));
System.out.println("Last fib num: " + fibList.get(lastIndex));
System.out.println("CompareRes: " + compareRes);
switch(compareRes) {
case 0:
return "IsFibo";
case 1:
BigInteger newFib = fibList.get(lastIndex-1).add(fibList.get(lastIndex));
fibList.add(newFib);
checkFibo(i);
break;
default:
break;
}
return "IsNotFibo";
}
}
import java.io.*;
导入java.util.*;
导入java.text.*;
导入java.math.*;
导入java.util.regex.*;
公共类解决方案{
public static ArrayList fibList=new ArrayList();
公共静态void main(字符串[]args){
/*在此处输入代码。从STDIN读取输入。将输出打印到STDOUT。您的类应命名为Solution*/
扫描仪输入=新扫描仪(系统输入);
int numCases=in.nextInt();
fibList.add(biginger.valueOf(0));
fibList.add(biginger.valueOf(1));
while(在.hasNextLine()中){
System.out.println(checkFibo(in.nextbiginger());
System.out.println(fibList);
}
}
公共静态字符串checkFibo(biginger i){
int lastIndex=fibList.size()-1;
int compareRes=i.compareTo(fibList.get(lastIndex));
System.out.println(“Last fib num:+fibList.get(lastIndex));
System.out.println(“CompareRes:+CompareRes”);
开关(比较器){
案例0:
返回“IsFibo”;
案例1:
biginger newFib=fibList.get(lastIndex-1).add(fibList.get(lastIndex));
fibList.add(newFib);
checkFibo(i);
打破
违约:
打破
}
返回“IsNotFibo”;
}
}
您的代码有两个问题:
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Scanner;
public class Solution {
public static ArrayList<BigInteger> fibList = new ArrayList<BigInteger>();
public static void main(String[] args) {
/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
Scanner in = new Scanner(System.in);
fibList.add(BigInteger.valueOf(0));
fibList.add(BigInteger.valueOf(1));
while(in.hasNextLine()) {
BigInteger nextBigDecimal = in.nextBigInteger();
System.out.println("input:" + nextBigDecimal);
System.out.println("isFibo: " + checkFibo(nextBigDecimal));
System.out.println(fibList);
}
}
public static boolean checkFibo(BigInteger i) {
int lastIndex = fibList.size() - 1;
int compareRes = i.compareTo(fibList.get(lastIndex));
System.out.println("Last fib num: " + fibList.get(lastIndex));
System.out.println("CompareRes: " + compareRes);
boolean isFibo = false;
switch(compareRes) {
case 0:
isFibo = true;
break;
case 1:
BigInteger newFib = fibList.get(lastIndex-1).add(fibList.get(lastIndex));
fibList.add(newFib);
isFibo = checkFibo(i);
break;
case -1:
isFibo = fibList.contains(i);
break;
}
return isFibo;
}
}
import java.math.biginger;
导入java.util.ArrayList;
导入java.util.Scanner;
公共类解决方案{
public static ArrayList fibList=new ArrayList();
公共静态void main(字符串[]args){
/*在此处输入代码。从STDIN读取输入。将输出打印到STDOUT。您的类应命名为Solution*/
扫描仪输入=新扫描仪(系统输入);
fibList.add(biginger.valueOf(0));
fibList.add(biginger.valueOf(1));
while(在.hasNextLine()中){
BigInteger nextBigDecimal=in.nextBigInteger();
System.out.println(“输入:+nextBigDecimal”);
System.out.println(“isFibo:+checkFibo(nextBigDecimal));
System.out.println(fibList);
}
}
公共静态布尔checkFibo(biginger i){
int lastIndex=fibList.size()-1;
int compareRes=i.compareTo(fibList.get(lastIndex));
System.out.println(“Last fib num:+fibList.get(lastIndex));
System.out.println(“CompareRes:+CompareRes”);
布尔值isFibo=false;
开关(比较器){
案例0:
isFibo=真;
打破
案例1:
biginger newFib=fibList.get(lastIndex-1).add(fibList.get(lastIndex));
fibList.add(newFib);
isFibo=检查fibo(i);
打破
案例1:
isFibo=fibList.contains(i);
打破
}
返回isFibo;
}
}