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day76.java
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day76.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.function.*;
import java.util.regex.*;
import java.util.stream.*;
import static java.util.stream.Collectors.joining;
import static java.util.stream.Collectors.toList;
class Result {
/*
* Complete the 'pageCount' function below.
*
* The function is expected to return an INTEGER.
* The function accepts following parameters:
* 1. INTEGER n
* 2. INTEGER p
*/
public static int pageCount(int n, int p) {
// Write your code here
// calculate turnings needed from the start to the end (n) from left to right
int toNLeftToRigth = n/2;
//Calculating turnings to P from left to rigth
int toPLeftToRight = p/2;
// (n/2) - (p/2) will give us the turnings from right to left (starting on the end)
int toPRigthToleft = toNLeftToRigth - toPLeftToRight;
// Using Math class return the min of
return Math.min(toPLeftToRight, toPRigthToleft);
}
}
public class Solution {
public static void main(String[] args) throws IOException {
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bufferedWriter = new BufferedWriter(new FileWriter(System.getenv("OUTPUT_PATH")));
int n = Integer.parseInt(bufferedReader.readLine().trim());
int p = Integer.parseInt(bufferedReader.readLine().trim());
int result = Result.pageCount(n, p);
bufferedWriter.write(String.valueOf(result));
bufferedWriter.newLine();
bufferedReader.close();
bufferedWriter.close();
}
}