Лимит времени 2000/4000/4000/4000 мс. Лимит памяти 65000/65000/65000/65000 Кб.
Question by Ibrahim Mesecan.
Letter Grades
The University converts grades into Letter
grades. And, at the end of every semester, they keep report
of each course. They count the number of students
receiving each grade for every course.
Question:
The grades are converted into letter grades
using the conversion table on the right.
Write a program that is going to read n student
grades. And then, it will count
the number of students receiving each grade.
Input specification
You will be given an integer number (n) at the beginning
where 1 ≤ n ≤ 100. Then in the following line,
you will be given n integers which are between 0 and 100.
Output specification
Show each letter grade followed by
the number of students receiving that grade.
Show the letter grades in increasing order starting
from A.
Sample Input
7
62 29 85 71 64 94 67
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Sample Output
A 1
B 1
C 1
D 3
E 0
F 1
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Explanation: Here is the list of grades for each letter:
A: 94
B: 85
C: 71
D: 62, 64, 67
E: No grade
F: 29
Для отправки решений необходимо выполнить вход.
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