Time limit 2000/4000/4000/4000 ms. Memory limit 65000/65000/65000/65000 Kb.
Question by Ibrahim Mesecan.
Difficulty Beta
How many students have passed?
Your professor wants to read and calculate all student results automatically, now.
He has 3 exam results (grade1, grade2, grade3) and according the averages of these
grades, he wants to find out how many students have passed. A student fails if
his/her average is less than 59.5; passes otherwise.
Question:
Write a program that is going to read 3 marks of n students
and then it will find out how many students have passed?
Input specification
You will be given a number integer (n) where n is between 0 and 10000.
Then, the following n lines will contain three integer numbers where each of them can be between 0 and 100.
Output specification
Find and show the number of passing students.
Sample Input I
5
68 36 52
62 89 84
89 99 65
41 72 61
58 75 46
|
Sample Input II
10
47 93 92
43 47 81
97 68 48
62 86 50
96 85 74
50 60 70
76 67 76
82 52 97
85 84 48
61 64 53
|
Sample Output I
3
|
Sample Output II
8
|
Для отправки решений необходимо выполнить вход.
|