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Ransom_Note.java
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Ransom_Note.java
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import java.io.*;
import java.math.*;
import java.security.*;
import java.text.*;
import java.util.*;
import java.util.concurrent.*;
import java.util.regex.*;
public class Solution {
// Complete the checkMagazine function below.
static void checkMagazine(String[] magazine, String[] note) {
HashMap<String, Integer> freqMap = new HashMap<>();
int flag=0;
for(String magazineWord : magazine)
{
if(freqMap.containsKey(magazineWord))
{
int freq = freqMap.get(magazineWord)+1;
freqMap.put(magazineWord, freq);
}
else
freqMap.put(magazineWord, 1);
}
for(String noteWord : note)
{
if(freqMap.containsKey(noteWord))
{
int freq = freqMap.get(noteWord)-1;
if(freq==0)
freqMap.remove(noteWord);
else
freqMap.put(noteWord, freq);
}
else
{
System.out.println("No");
flag=1;
break;
}
}
if(flag==0)
System.out.println("Yes");
}
private static final Scanner scanner = new Scanner(System.in);
public static void main(String[] args) {
String[] mn = scanner.nextLine().split(" ");
int m = Integer.parseInt(mn[0]);
int n = Integer.parseInt(mn[1]);
String[] magazine = new String[m];
String[] magazineItems = scanner.nextLine().split(" ");
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
for (int i = 0; i < m; i++) {
String magazineItem = magazineItems[i];
magazine[i] = magazineItem;
}
String[] note = new String[n];
String[] noteItems = scanner.nextLine().split(" ");
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
for (int i = 0; i < n; i++) {
String noteItem = noteItems[i];
note[i] = noteItem;
}
checkMagazine(magazine, note);
scanner.close();
}
}