KNAPSACK  The Knapsack Problem
The famous knapsack problem. You are packing for a vacation on the sea side and you are going to carry only one bag with capacity S (1 <= S <= 2000). You also have N (1<= N <= 2000) items that you might want to take with you to the sea side. Unfortunately you can not fit all of them in the knapsack so you will have to choose. For each item you are given its size and its value. You want to maximize the total value of all the items you are going to bring. What is this maximum total value?
Input
On the first line you are given S and N. N lines follow with two integers on each line describing one of your items. The first number is the size of the item and the next is the value of the item.
Output
You should output a single integer on one like  the total maximum value from the best choice of items for your trip.
Example
Input: 4 5 1 8 2 4 3 0 2 5 2 3 Output: 13
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scolar_fuad:
20190509 19:38:58
basic dp try iterative dp to learn something new bcz everyone try with recursive 

souvikd_pro:
20190312 17:06:09
topdown dp accepted :). Next try PARTY 

mhds:
20190309 20:08:07
AC in one go 

moeentm:
20190214 13:36:11
Tseries is nothing but a ..... lasagna 

mammadbastar:
20190214 13:34:49
ba tashakor az ostad besiar besiar khoobam kianoosh abasi 

cardinalx:
20181206 15:05:12
ba tashakor az moaleme khobemon aghaye masoudi;) Last edit: 20181206 15:06:35 

ameernsr:
20181206 13:22:34
AC in 0.1 go


cardinalx:
20181206 13:22:01
dp in soal ke jozve badihijate ;) 

ameernsr:
20181206 12:47:24
ishala hame good bashan 

sam_np:
20181206 12:46:58
slm hji 
Added by:  Nikola P Borisov 
Date:  20081110 
Time limit:  0.240s 
Source limit:  50000B 
Memory limit:  1536MB 
Cluster:  Cube (Intel G860) 
Languages:  All except: ERL JSRHINO NODEJS PERL6 VB.NET 