- To go or not to go
- Problem Description LL is very lazy. Recently, he is assigned to a dormitory in the 5th floor and sometimes...
- The Embarrassed Cryptographer
- Problem Description The young and very promising cryptographer Odd Even has implemented the security module...
- Jumping Hands
- Problem Description In Shanghai, there are some famous clock towers built more than 100 years ago, such as ...
2017.11.25 11:27来自 shunfurh
- Gem Squares
- Problem Description You are given a board with 8×8 squares. In each square, there can be either a colored g...
2017.11.25 10:56来自 shunfurh
- Online Shopping
- Problem Description The Internet becomes more and more important for our daily life. Aside from information...
2017.11.25 00:08来自 shunfurh
- Interesting Housing Problem
- Problem Description For any school, it is hard to find a feasible accommodation plan with every student ass...
2017.11.24 23:52来自 shunfurh
- Encoded Barcodes
- Problem Description All the big malls need a powerful system for the products retrieval. Now you are employ...
2017.11.24 23:30来自 morning2008
2017.11.24 23:25来自 shunfurh
- Throw the Stones
- Problem Description Remember our childhood? A few naked children throw stones standing on the same positi...
2017.11.24 23:07来自 shunfurh
- Bone Collector
- Problem Description Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. T...