Alice and Bob each created one problem for HackerRank. A reviewer rates the two challenges, awarding points on a scale from 1 to 100 for three categories: problem clarity, originality, and difficulty.
The rating for Alice's challenge is the triplet a = (a[0], a[1], a[2]), and the rating for Bob's challenge is the triplet b = (b[0], b[1], b[2]).
The task is to find their comparison points by comparing a[0] with b[0], a[1] with b[1], and a[2] with b[2].
- If a[i] > b[i], then Alice is awarded 1 point.
- If a[i] < b[i], then Bob is awarded 1 point.
- If a[i] = b[i], then neither person receives a point.
Comparison points is the total points a person earned.
Given a and b, determine their respective comparison points.
Example
a = [1, 2, 3]
b = [3, 2, 1]
- For elements 0, Bob is awarded a point because a[0] .
- For the equal elements a[1] and b[1], no points are earned.
- Finally, for elements 2, a[2] > b[2] so Alice receives a point.
The return array is [1, 1] with Alice's score first and Bob's second.
Function Description
Complete the function compareTriplets in the editor below.
compareTriplets has the following parameter(s):
- int a[3]: Alice's challenge rating
- int b[3]: Bob's challenge rating
Return
int[2]: Alice's score is in the first position, and Bob's score is in the second.
Input Format
The first line contains 3 space-separated integers, a[0], a[1], and a[2], the respective values in triplet a.
The second line contains 3 space-separated integers, b[0], b[1], and b[2], the respective values in triplet b.
Constraints
- 1 ≤ a[i] ≤ 100
- 1 ≤ b[i] ≤ 100
Sample Input 0
5 6 7
3 6 10
Sample Output 0
1 1
Explanation 0
In this example:
- a = (a[0],a[1],a[2])=(5,6,7)
- b = (b[0],b[1],b[2])=(3,6,10)
Now, let's compare each individual score:
- a[0] > b[0], so Alice receives point.
- a[1] = b[1], so nobody receives a point.
- a[2] < b[2], so Bob receives point.
Alice's comparison score is 1, and Bob's comparison score is 1. Thus, we return the array [1,1].
Sample Input 1
17 28 30
99 16 8
Sample Output 1
2 1
Explanation 1
Comparing the 0#th elements 17<99, so Bob receives a point.
Comparing the 1#st and 2#nd elements, 28>16 and 30>18 so Alice receives two points. The return array is [2,1].
The solution in PHP:
function compareTriplets($a, $b) {
// Write your code here
$aAward = 0;
$bAward = 0;
for ($i=0;$i<3;$i++){
if($a[$i]>$b[$i]){
$aAward +=1;
}elseif($a[$i]<$b[$i]){
$bAward +=1;
}
}
return array($aAward,$bAward);
}
In Python3:
def compareTriplets(a, b):
# Write your code here
aAward = 0
bAward = 0
for i in range(0,3):
if(a[i]>b[i]):
aAward += 1
if (a[i]<b[i]):
bAward += 1
return [aAward,bAward]
In Kotlin:
fun compareTriplets(a: Array<Int>, b: Array<Int>): Array<Int> {
var aAward =0
var bAward= 0
// Write your code here
for (i in 0..2){
if(a[i]>b[i]){
aAward += 1
}
if(a[i]<b[i]){
bAward +=1
}
}
return arrayOf(aAward,bAward);
}
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