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Consecutive Elements String
//'main' method must be in a class 'Rextester'. //openjdk version '11.0.5' import java.io.*; import java.util.*; import java.lang.*; class Rextester { public static void main (String[] args) throws IOException { //code BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); int t = Integer.parseInt(br.readLine()); while(t-->0){ String str = br.readLine(); StringBuilder sb = new StringBuilder(); sb.append(str.charAt(0)); for(int i=1;i<str.length();i++){ if(str.charAt(i-1)==str.charAt(i)) continue; else sb.append(str.charAt(i)); } System.out.println(sb.toString()); } } }
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