repeated-string
https://www.hackerrank.com/challenges/repeated-string/forum <?php function repeatedString ( $s , $n ) { // Length of the original string $s_len = strlen( $s ); // Count 'a' occurrences in the original string $a_in_s = 0 ; for ( $i = 0 ; $i < $s_len ; $i ++) { if ( $s [ $i ] == 'a' ) { $a_in_s ++; } } // Calculate full string repetitions $whole_repetitions = floor( $n / $s_len ); // Count 'a' in full repetitions $total_a = $a_in_s * $whole_repetitions ; // Handle the remainder $remainder = $n % $s_len ; // Count 'a' in the remainder for ( $i = 0 ; $i < $remainder ; $i ++) { if ( $s [ $i ] == 'a' ) { $total_a ++; } } return $total_a ; } // Read input (replace with actual input mechanism) $s = fgets(STDIN); $n = ( int )fgets(STDIN); // Call the function and print the result $result = repeatedString(trim( $s ), $n ); echo $result ; ?>
