def gradingStudents(grades): """ Round grades according to the following rules: 1. If grade < 38, no rounding (failing grade) 2. If difference between grade and next multiple of 5 is < 3, round up 3. Otherwise, keep original grade """ result = []

for grade in grades:
    if grade < 38:
        # Failing grades are not rounded
        result.append(grade)
    else:
        # Find the next multiple of 5
        next_multiple = math.ceil(grade / 5) * 5
        difference = next_multiple - grade

        if difference < 3:
            # Round up to next multiple of 5
            result.append(next_multiple)
        else:
            # Keep original grade
            result.append(grade)

return result

Python Solution:`

    result = []
    for grade in grades:
        if(grade<38):
            result.append(grade)
        else:
            next_mutliple = grade-(grade%5)+5
            if (next_mutliple-grade<3):
                grade=next_mutliple
                result.append(grade)
            else:
                result.append(grade)          
        
    return result

C++ solution

vector<int> gradingStudents(vector<int> grades) {
    vector<int> gradedStudents;
    int grade = 0;
    for(int i=0; i<grades.size(); i++){
        if(grades[i]<38){
            grade = grades[i];
        }
        else{
            if((grades[i]%5)<3){
                grade = grades[i];
            }
            else{
                grade = grades[i]-(grades[i]%5)+5;
            }
        }
        gradedStudents.push_back(grade);    
        
    }
    return gradedStudents;
}

Java Solution

public static List<Integer> gradingStudents(List<Integer> grades) {
    int i=0;
    for(int a:grades){
        if(a<38){
            grades.set(i,a);
        }else{
            int nextMultipleOf5=((a/5)+1)*5;
        if((nextMultipleOf5-a)<3){
            grades.set(i,nextMultipleOf5);
        }else{
            grades.set(i,a);
        }
        }

        i++;
    }
return grades;




}

}

java 8 Solution

public static List<Integer> gradingStudents(List<Integer> grades) {
int i = 0;
for(int x : grades)
{
    int remValue = x % 5;
    if (remValue >= 3 && x > 37) {
            grades.set(i,(x+5-remValue));
        }
    i++;
}

return grades;

}