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NewYearChaos.java
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NewYearChaos.java
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import java.io.*;
import java.util.*;
public class HourRank4qB {
static int pos[], arr[];
public static void main(String args[]) {
InputReader in = new InputReader(System.in);
PrintWriter w = new PrintWriter(System.out);
int t = in.nextInt();
while(t-- > 0 ){
int n = in.nextInt();
int a[] = new int[n];
for (int i = 0; i < n; i++)
a[i] = in.nextInt() - 1;
int op = 0;
boolean yes = true;
pos = new int[n];
arr = new int[n];
for(int i = 0; i < n; i++)
arr[i] = pos[i] = i;
for(int i = 0; i < n; i++){
if(pos[a[i]] - i > 2){
yes = false;
break;
}
while(pos[a[i]] > i){
swap(pos[a[i]], pos[a[i]] - 1);
op++;
}
}
w.println(yes ? op : "Too chaotic");
}
w.close();
}
static void swap(int i,int j){
//swap ith and jth position
pos[arr[i]] = j;
pos[arr[j]] = i;
int t = arr[i];
arr[i] = arr[j];
arr[j] = t;
}
static class InputReader {
private InputStream stream;
private byte[] buf = new byte[8192];
private int curChar, snumChars;
private SpaceCharFilter filter;
public InputReader(InputStream stream) {
this.stream = stream;
}
public int snext() {
if (snumChars == -1)
throw new InputMismatchException();
if (curChar >= snumChars) {
curChar = 0;
try {
snumChars = stream.read(buf);
} catch (IOException e) {
throw new InputMismatchException();
}
if (snumChars <= 0)
return -1;
}
return buf[curChar++];
}
public int nextInt() {
int c = snext();
while (isSpaceChar(c))
c = snext();
int sgn = 1;
if (c == '-') {
sgn = -1;
c = snext();
}
int res = 0;
do {
if (c < '0' || c > '9')
throw new InputMismatchException();
res *= 10;
res += c - '0';
c = snext();
} while (!isSpaceChar(c));
return res * sgn;
}
public long nextLong() {
int c = snext();
while (isSpaceChar(c))
c = snext();
int sgn = 1;
if (c == '-') {
sgn = -1;
c = snext();
}
long res = 0;
do {
if (c < '0' || c > '9')
throw new InputMismatchException();
res *= 10;
res += c - '0';
c = snext();
} while (!isSpaceChar(c));
return res * sgn;
}
public String readString() {
int c = snext();
while (isSpaceChar(c))
c = snext();
StringBuilder res = new StringBuilder();
do {
res.appendCodePoint(c);
c = snext();
} while (!isSpaceChar(c));
return res.toString();
}
public boolean isSpaceChar(int c) {
if (filter != null)
return filter.isSpaceChar(c);
return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
}
public interface SpaceCharFilter {
public boolean isSpaceChar(int ch);
}
}
}