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NewYearChaos.java
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NewYearChaos.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 minimumBribes function below.
static void minimumBribes(int[] q) {
int[] posAfterBribe = new int[q.length+1];
int[] arrAfterBribe = new int[q.length];
// Record the updated position after every bribe
for(int i=0;i<q.length;i++){
arrAfterBribe[i] = i+1;
posAfterBribe[i+1] = i;
}
int totalBribes=0,minBribes;
for(int i=0;i<q.length;i++){
if((posAfterBribe[q[i]])>i){
minBribes=(posAfterBribe[q[i]]- i + q.length)% q.length;
if(minBribes > 2){
totalBribes=-1;
break;
}else{
totalBribes+= minBribes;
}
//Updating the positions and array after bribe
int prevPos=posAfterBribe[q[i]];
for(int pp=posAfterBribe[q[i]]; pp>prevPos-minBribes; pp--){
int temp= arrAfterBribe[pp];
arrAfterBribe[pp] = arrAfterBribe[pp-1];
arrAfterBribe[pp-1]=temp;
int tempPos= posAfterBribe[arrAfterBribe[pp]];
posAfterBribe[arrAfterBribe[pp]] = posAfterBribe[arrAfterBribe[pp-1]];
posAfterBribe[arrAfterBribe[pp-1]]=tempPos;
}
}
}
if(totalBribes == -1){
System.out.println("Too chaotic");
}else{
System.out.println(totalBribes);
}
}
private static final Scanner scanner = new Scanner(System.in);
public static void main(String[] args) {
int t = scanner.nextInt();
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
for (int tItr = 0; tItr < t; tItr++) {
int n = scanner.nextInt();
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
int[] q = new int[n];
String[] qItems = scanner.nextLine().split(" ");
scanner.skip("(\r\n|[\n\r\u2028\u2029\u0085])?");
for (int i = 0; i < n; i++) {
int qItem = Integer.parseInt(qItems[i]);
q[i] = qItem;
}
minimumBribes(q);
}
scanner.close();
}
}