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  1. /*
  2.  * To change this template, choose Tools | Templates
  3.  * and open the template in the editor.
  4.  */
  5. //package javaapplication3;
  6.  
  7. /**
  8.  *
  9.  * @author Abhishek
  10.  */
  11. public class Main {
  12.     @SuppressWarnings("empty-statement")
  13.     public static void main(String[] args) throws java.lang.Exception{
  14.         java.io.BufferedReader br = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
  15.         String[] rules = new String[100];
  16.         String in = null,out=null;
  17.         int t,n,i,j,k;
  18.         int flags=-1,flagt=0;
  19.         //System.out.println("Enter test");
  20.         t = Integer.parseInt(br.readLine());
  21.         while(t>0)
  22.         {
  23.             //System.out.println("enter n");
  24.             flags = -1;
  25.             flagt = 0;
  26.             n = Integer.parseInt(br.readLine());
  27.             for(i=0;i<n;i++)
  28.             {
  29.                 //System.out.println("Enter rule"+i);
  30.                 rules[i] = br.readLine();
  31.             }
  32.             //System.out.println("Enter input");
  33.             in = br.readLine();
  34.             flagt = in.length();
  35.             //System.out.println(in.length());
  36.             for(i=0;i<flagt;i++)
  37.             {
  38.                 //System.out.println("replacing");
  39.                 for(j=0;j<n;j++)
  40.                 {
  41.                     if(rules[j].charAt(0)==in.charAt(i))
  42.                     {
  43.                         in = in.replace(in.charAt(i),rules[j].charAt(2));
  44.                         break;
  45.                     }
  46.                 }
  47.             }
  48.             for(i=0;i<in.length() && in.charAt(i)!='.';i++)
  49.             {
  50.                 if(in.charAt(i)=='0'){
  51.                     flags = i;
  52.                 }
  53.                 else{
  54.                     break;
  55.                 }
  56.             }
  57.             if(in.contains("."))
  58.             {
  59.             for(i=in.length()-1;i>-1 && in.charAt(i)!='.';i--)
  60.             {
  61.                 if(in.charAt(i)=='0'){
  62.                     flagt = i;
  63.                 }
  64.                 else{
  65.                     break;
  66.                 }
  67.             }
  68.                 if(in.charAt(flagt-1)=='.')
  69.                 {
  70.  
  71.                     flagt--;
  72.                 } 
  73.             }
  74.  
  75.                //System.out.println("flagt"+flagt+"flags"+flags);
  76.              if(flags+1 == flagt)
  77.             {
  78.                 //System.out.println("going");
  79.                 System.out.println("0");
  80.             }
  81.             else 
  82. 			{
  83.             System.out.println(in.substring(flags+1,flagt));
  84. 			}
  85.             //else
  86.             //System.out.println("0");
  87.             t--;
  88.         }
  89.     }
  90. }
Success #stdin #stdout 0.07s 380160KB
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https://ideone.com/EyaibO
language:
Java (HotSpot 12)
created:
9 years ago
visibility:
public

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