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Aufgabe

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.

We define the rating for Alice's challenge to be the triplet §A=\langle a_0, a_1, a_2\rangle§, and the rating for Bob's challenge to be the triplet §B=\langle b_0, b_1, b_2\rangle§.

Your task is to find their comparison scores 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 point.
If §a_i < b_i§, then Bob is awarded point.
If §a_i = b_i§, then neither person receives a point.
Given §A§ and §B§, can you compare the two challenges and print their respective comparison points?

Input Format

The first line contains 3 space-separated integers, §a_0§, §a_1§, and §a_2§ describing the respective values in triplet §A§.
The second line contains 3 space-separated integers, §b_0§, §b_1§, and §b_2§ describing the respective values in triplet §B§.

Output Format

Print two space-separated integers denoting the respective comparison scores earned by Alice and Bob.

Sample Input

5 6 7
3 6 10

Sample Output

1 1

Lösung

C-/C++-Quelltext

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#include <vector> #include <vector> #include <iostream> #include <algorithm> #include <functional> #include <numeric> const std::size_t inputCount = 3; const std::vector<unsigned int> getRatings() { std::vector<unsigned int> ratings{}; for(std::size_t i = 0; i < inputCount; ++i) { unsigned int rating; std::cin >> rating; ratings.push_back(rating); } return ratings; } int main() { const auto ratingsForAlice = getRatings(); const auto ratingsForBob = getRatings(); std::vector<int> results{}; results.resize(inputCount); std::transform( std::begin(ratingsForAlice), std::end(ratingsForAlice), std::begin(ratingsForBob), std::begin(results), std::minus<>() ); auto scores = std::accumulate( std::begin(results), std::end(results), std::pair<unsigned int, unsigned int>{0, 0}, [](auto scoresPair, auto result) { if(result > 0) { scoresPair.first += 1; } else if(result < 0) { scoresPair.second += 1; } return scoresPair; } ); std::cout << scores.first << ' ' << scores.second; return 0; }

Zitat von »Patrick Z.«

Es wäre auch sehr toll wenn mir jemand "perfekten" Code zeigen könnte.