Grading Students

1. 문제

2. 알고리즘

키워드 - 구현

3. 코드

#include <bits/stdc++.h>
 
using namespace std;
 
/*
 * Complete the gradingStudents function below.
 */
vector<int> gradingStudents(vector<int> grades) {
    /*
     * Write your code here.
     */
    vector<int> arr;
    int size = grades.size();
    for(int i = 0; i <size; i ++) {
        int cand = grades[i];
 
        int newGrade = ((cand / 5) + 1) * 5;
        if(newGrade < 40) {
            arr.push_back(cand);
            continue;
        }
        
        if(newGrade - cand < 3) 
            arr.push_back(newGrade);
        else
            arr.push_back(cand);
    }
    return arr;
}
 
int main()
{
    ofstream fout(getenv("OUTPUT_PATH"));
 
    int n;
    cin >> n;
    cin.ignore(numeric_limits<streamsize>::max(), '\n');
 
    vector<int> grades(n);
 
    for (int grades_itr = 0; grades_itr < n; grades_itr++) {
        int grades_item;
        cin >> grades_item;
        cin.ignore(numeric_limits<streamsize>::max(), '\n');
 
        grades[grades_itr] = grades_item;
    }
 
    vector<int> result = gradingStudents(grades);
 
    for (int result_itr = 0; result_itr < result.size(); result_itr++) {
        fout << result[result_itr];
 
        if (result_itr != result.size() - 1) {
            fout << "\n";
        }
    }
 
    fout << "\n";
 
    fout.close();
 
    return 0;
}