4551: P6243 [USACO06OPEN] The Milk Queue G

Memory Limit：128 MB Time Limit：1.000 S
Judge Style：Text Compare Creator：
Submit：0 Solved：0

Description

Input

Output

Sample Input Copy 

3
2 2
7 4
3 5

Sample Output Copy 

16

HINT

Source/Category

SubmitSubmit RecordStatisticsShowOff!