1983. 조교의 성적 매기기

1983. 조교의 성적 매기기

문제출처: https://www.swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5PwGK6AcIDFAUq

풀이 방법

<코드>

#include <algorithm>
#include <iostream>
#include <vector>
using namespace std;

struct Data
{
	int number;
	float score;
};

bool Compare(const Data& left, const Data& right)
{
	return left.score < right.score;
}

int main(int argc, char** argv)
{
	std::ios::sync_with_stdio(false);
	std::cout.tie(nullptr);
	std::cin.tie(nullptr);

	int test_case;
	int T;
	cin >> T;


	for (test_case = 1; test_case <= T; ++test_case)
	{
		int n, k;
		std::cin >> n >> k;

		std::vector<Data> inputs(n);
		for (int i = 0; i < n; i++)
		{
			int mid, final, homework;
			std::cin >> mid >> final >> homework;

			inputs[i].number = i + 1;
			inputs[i].score = mid * 0.35f + final * 0.45f + homework * 0.2f;
		}

		std::sort(inputs.begin(), inputs.end(), Compare);

		int answer = 0;
		for (int i = 0; i < n; i++)
			if (inputs[i].number == k)
				answer = i;

		switch ((answer / (n / 10)) % 10)
		{
		case 0:
			std::cout << "#" << test_case << " D0" << "\n";
			break;
		case 1:
			std::cout << "#" << test_case << " C-" << "\n";
			break;
		case 2:
			std::cout << "#" << test_case << " C0" << "\n";
			break;
		case 3:
			std::cout << "#" << test_case << " C+" << "\n";
			break;
		case 4:
			std::cout << "#" << test_case << " B-+" << "\n";
			break;
		case 5:
			std::cout << "#" << test_case << " B0" << "\n";
			break;
		case 6:
			std::cout << "#" << test_case << " B+" << "\n";
			break;
		case 7:
			std::cout << "#" << test_case << " A-" << "\n";
			break;
		case 8:
			std::cout << "#" << test_case << " A0" << "\n";
			break;
		case 9:
			std::cout << "#" << test_case << " A+" << "\n";
			break;
		}
	}

	return 0;//정상종료시 반드시 0을 리턴해야합니다.
}