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PHP Hacker Rank Question "Birthday Cake Candles" solution !


You are in-charge of the cake for your niece's birthday and have decided the cake will have one candle for each year of her total age. When she blows out the candles, she’ll only be able to blow out the tallest ones. Your task is to find out how many candles she can successfully blow out.
For example, if your niece is turning  years old, and the cake will have  candles of height , she will be able to blow out  candles successfully, since the tallest candle is of height  and there are  such candles.
Function Description
Complete the function birthdayCakeCandles in the editor below. It must return an integer representing the number of candles she can blow out.
birthdayCakeCandles has the following parameter(s):
  • k: the integer threshold of students on time for class to continue
  • a: an array of integers representing student arrival times
Input Format
The first line contains a single integer, , denoting the number of candles on the cake.
The second line contains  space-separated integers, where each integer  describes the height of candle .
Constraints
Output Format
Print the number of candles that can be blown out on a new line.
Sample Input 0
4
3 2 1 3
Sample Output 0
2
Explanation 0
We have one candle of height , one candle of height , and two candles of height . Your niece only blows out the tallest candles, meaning the candles where . Because there are  such candles, we print  on a new line
Solution of  the "Birthday Cake Candles": ----------
<?php
/* Write your PHP code here */
$arr = array(3,2,1,3);
$n = count($arr);
$a = 0;
$count = 0;
for($i=0;$i<$n;$i++){
if($a<$arr[$i]){
$a = $arr[$i];
}
}
for($j=0;$j<$n;$j++){
if($a == $arr[$j]){
$count+=1;
}
}
echo $count;

?>
-------------------------------------------------------------------

Thank you

Comments


  1. //gg ez is shorter than you

    rsort($candles);
    $c=1;
    for($i=0;$i<count($candles);$i++){
    if($candles[$i]==$candles[$i+1]){
    $c++;}
    else{break;}

    }
    return $c;
    }

    ReplyDelete

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