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  1. Practice
  2. Algorithms
  3. Implementation
  4. Repeated String
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Repeated String

  • Raulkg
     + 27 comments
    public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    String s = in.next();
    long n = in.nextLong();
    long count =0;
    for(char c : s.toCharArray())
        if(c == 'a')
        count++;

     long factor = (n/s.length());
     long rem = (n%s.length());
     count =  factor*count  ;
    for(int i=0;i<rem;i++)
        if(s.charAt(i)=='a')
                count++;        
    System.out.println(count);



}