23 lines
513 B
Java
23 lines
513 B
Java
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import java.util.Scanner;
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public class Main {
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static String check(String s){
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for(int i=1;i<s.length();i++){
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int x=s.charAt(i)-s.charAt(i-1);
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if(x!=1 && x!=-1) return "NO";
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}
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return "YES";
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}
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public static void main(String[] args) {
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Scanner sc = new Scanner(System.in);
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int t=sc.nextInt();
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for(int i=0;i<t;i++){
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String s=sc.next();
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System.out.println(check(s));
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}
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sc.close();
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}
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}
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