Code:
import java.util.Scanner;
import java.io.*;
class time
{
int t1=-3,t2=-1;
}
public class Solution {
public static void main(String[] args)
{
int ctc = 0,ctj=0;
Scanner sc = new Scanner(new BufferedReader(new
InputStreamReader(System.in)));
int T = sc.nextInt();
for(int i=1;i<=T;i++)
{
int N = sc.nextInt();
int c=0,j1=0;
char sol[] = new char[N];
time Time[] = new time[N];
time C[] = new time[N];
time J[] = new time[N];
for(int j=0;j<N;j++)
{
//System.out.println("Enter "+(j+1)+"time");
Time[j] = new time();
Time[j].t1 = sc.nextInt();
Time[j].t2 = sc.nextInt();
}
for(int j=0;j<N;j++)
{
C[j] = new time();
J[j] = new time();
}
int b = 0;
for(int j=0;j<N;j++)
{
b = 0;
if(C[0].t1==-3)
{
C[c].t1 = Time[j].t1;
C[c].t2 = Time[j].t2;
c++;
sol[j] = 'C';
}
else if(J[0].t1==-3)
{
J[j1].t1 = Time[j].t1;
J[j1].t2 = Time[j].t2;
j1++;
sol[j] = 'J';
}
else
{
ctc = 0;
ctj = 0;
for(int g=0;g<N;g++)
{
if((Time[j].t1<C[g].t2 && Time[j].t1>C[g].t1) || (Time[j].t2<C[g].t2 &&
Time[j].t2>C[g].t1))
{
//System.out.println(" g:"+g+"C[g].t1: "+C[g].t1+" Time[j].t1:
"+Time[j].t1+" C[g].t2: "+C[g].t2+" Time[j].t2"+Time[j].t2);
ctc = -1;
}
if((Time[j].t1<J[g].t2 && Time[j].t1>J[g].t1) || (Time[j].t2<J[g].t2 &&
Time[j].t2>J[g].t1))
{
//System.out.println(" g:"+g+"J[g].t1: "+J[g].t1+" Time[j].t1:
"+Time[j].t1+" J[g].t2: "+J[g].t2+" Time[j].t2"+Time[j].t2);
ctj = -1;
}
}
//System.out.println(ctc+" "+ctj);
if(ctc == 0)
{
C[c].t1 = Time[j].t1;
C[c].t2 = Time[j].t2;
c++;
sol[j] = 'C';
}
else if(ctj == 0)
{
J[j1].t1 = Time[j].t1;
J[j1].t2 = Time[j].t2;
j1++;
sol[j] = 'J';
}
else if(ctc==-1&&ctj==-1)
{
System.out.println("Case #"+i+": IMPOSSIBLE");
b++;
break;
}
}
}
if(b==0)
{
String str = new String(sol);
System.out.println("Case #"+i+": "+str);
}
}
}
}
Note : It gives correct output for all the samples and works fine with
other examples also
Can some one help me out!
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