EGYPIZZA  Pizza
Abotrika is having a party because his team won the African cup so he is inviting his friends to eat some pizza. Unfortunately, his friends can't eat an entire pizza but all of them know exactly how much pizza they can eat and insist on getting the exact amount of pizza but Abotrika eats one complete pizza and all of them wants his amount of pizza in one slice. Their requests break down to three different pizza sliceseither one quarter or a half or three quarters of pizza.
Write a program that will help Abotrika to find out what is the minimal number of pizzas he has to order so that everyone gets exact amount of pizza they want.
Input
First line contains an integer N, 0 ≤ N ≤ 10 000, the number of friends. In each of next N lines there is amount of pizza that each of Abotrika's friends wants to eat,that is the fraction 1/4, 1/2 or 3/4.
Output
In the first and only line you should write the minimal number of pizzas Abotrika has to order don't forget to order one complete pizza for Abotrika.
Example 1
Input: 3 1/2 3/4 3/4 Output: 4
Example 2
Input: 5 1/2 3/4 1/2 1/4 1/4 Output: 4
hide comments
esraa khaled khairalla:
20130506 19:19:37
how could 1/2 and 3/4 and 3/4 and 1 became 4 any ideas 

twinkles:
20130415 00:26:48
getting WA after running(8) please give me more testcases 

shashank:
20130317 17:56:33
after running(9) ... I'm getting WA..


chintan:
20130306 06:32:08
i just got 1 point yeppeee...!!!


Haijun Deng:
20130112 09:45:16
Please consider:


Yo Yo Honey Singh:
20121216 13:55:10
after running(9) it gives wrong ans .... any idea??? 

Arika Saputro:
20121111 03:31:52
what the output if the input 1/3 1/3 1/2


Maxim Bogoyavlenskiy:
20121003 13:03:25
my head had exploded:D Last edit: 20121003 13:04:15 

Sanket Kumar:
20120928 18:13:31
getting correct answers for all test cases and judges(<7) but gets wa for 8th and 9th judges 

jai_334:
20120927 07:00:05
please provide more test cases

Added by:  Kawmia Institutes 
Date:  20100818 
Time limit:  0.204s 
Source limit:  50000B 
Memory limit:  1536MB 
Cluster:  Cube (Intel G860) 
Languages:  All except: ASM64 BF LISP sbcl LISP clisp JSRHINO LUA OBJC PHP VB.NET 
Resource:  Croatian Highschool Competitions in Informatics 2004 