Skip to main content

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. Kasun HassangaNovember 4, 2020 at 12:53 AM

    Thank You

    ReplyDelete
  2. UnknownJanuary 31, 2022 at 2:08 PM


    //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

Post a Comment

Popular posts from this blog

PHP Hacker rank Question solution Mini-Max sum in PHP

Given five positive integers, find the minimum and maximum values that can be calculated by summing exactly four of the five integers. Then print the respective minimum and maximum values as a single line of two space-separated long integers. For example,  . Our minimum sum is   and our maximum sum is  . We would print 26 24 Function Description Complete the  miniMaxSum  function in the editor below. It should print two space-separated integers on one line: the minimum sum and the maximum sum of   of   elements. miniMaxSum has the following parameter(s): arr : an array of   integers Input Format A single line of five space-separated integers. Constraints Output Format Print two space-separated long integers denoting the respective minimum and maximum values that can be calculated by summing exactly  four  of the five integers. (The output can be greater than a 32 bi...
3 comments
Read more

PHP Hacker Rank Question "Time Conversion" Solution in php

Given a time in  -hour AM/PM format , convert it to military (24-hour) time. Note: Midnight is 12:00:00AM on a 12-hour clock, and 00:00:00 on a 24-hour clock. Noon is 12:00:00PM on a 12-hour clock, and 12:00:00 on a 24-hour clock. Function Description Complete the  timeConversion  function in the editor below. It should return a new string representing the input time in 24 hour format. timeConversion has the following parameter(s): s : a string representing time in   hour format Input Format A single string   containing a time in  -hour clock format (i.e.:   or  ), where   and  . Constraints All input times are valid Output Format Convert and print the given time in  -hour format, where  . Solution : ---------------------------------- <?php /* Write your PHP code here */ $s = "12:45:54PM";  $t= $c = substr($s,0,2); $a = (int)$t; $sym = su...
2 comments
Read more

PHP Hacker Rank "Apple and Orange" Solution

Sam's house has an apple tree and an orange tree that yield an abundance of fruit. In the diagram below, the red region denotes his house, where   is the start point, and   is the endpoint. The apple tree is to the left of his house, and the orange tree is to its right. You can assume the trees are located on a single point, where the apple tree is at point  , and the orange tree is at point  . When a fruit falls from its tree, it lands   units of distance from its tree of origin along the  -axis. A negative value of   means the fruit fell   units to the tree's left, and a positive value of   means it falls   units to the tree's right. Given the value of   for   apples and   oranges, determine how many apples and oranges will fall on Sam's house (i.e., in the inclusive range  )? For example, Sam's house is between   and  . The apple tree ...
1 comment
Read more