Title Solved Submit
USACO 2017 December Contest, Platinum —— Problem 3. Greedy Gift Takers
2
2
USACO 2018 January Contest, Silver —— Problem 1. Lifeguards
2
2
USACO 2018 January Contest, Silver —— Problem 2. Rental Service
3
3
USACO 2018 January Contest, Silver —— Problem 3. MooTube
3
3
USACO 2018 January Contest, Gold —— Problem 1. MooTube
1
2
USACO 2018 January Contest, Gold —— Problem 2. Cow at Large
2
2
USACO 2018 January Contest, Gold —— Problem 3. Stamp Painting
1
1
USACO 2018 January Contest, Platinum —— Problem 1. Lifeguards
1
2
USACO 2018 January Contest, Platinum —— Problem 2. Cow at Large
3
4
USACO 2018 January Contest, Platinum —— Problem 3. Sprinklers
1
1
USACO 2018 February Contest, Silver —— Problem 1. Rest Stops
2
2
USACO 2018 February Contest, Silver —— Problem 2. Snow Boots
4
6
USACO 2018 February Contest, Silver —— Problem 3. Teleportation
2
2
USACO 2018 February Contest, Gold —— Problem 1. Snow Boots
1
1
USACO 2018 February Contest, Gold —— Problem 2. Directory Traversal
1
1
USACO 2018 February Contest, Gold —— Problem 3. Taming the Herd
1
1
USACO 2018 February Contest, Platinum —— Problem 1. Slingshot
1
1
USACO 2018 February Contest, Platinum —— Problem 2. New Barns
1
1
USACO 2018 February Contest, Platinum —— Problem 3. Cow Gymnasts
1
1
USACO 2018 US Open Contest, Silver —— Problem 1. Out of Sorts
3
3
USACO 2018 US Open Contest, Silver —— Problem 2. Lemonade Line
3
3
USACO 2018 US Open Contest, Silver —— Problem 3. Multiplayer Moo
3
3
USACO 2018 US Open Contest, Gold —— Problem 1. Out of Sorts
1
1
USACO 2018 US Open Contest, Gold —— Problem 2. Milking Order
2
4
USACO 2018 US Open Contest, Gold —— Problem 3. Talent Show
2
2
USACO 2018 US Open Contest, Platinum —— Problem 1. Out of Sorts
1
1
USACO 2018 US Open Contest, Platinum —— Problem 2. Train Tracking
0
0
USACO 2018 US Open Contest, Platinum —— Problem 3. Disruption
1
2
ABC254 —— A - Last Two Digits
1
1
ABC254 —— B - Practical Computing
1
1
ABC254 —— C - K Swap
2
2
ABC254 —— D - Together Square
2
2
ABC254 —— E - Small d and k
2
2
ABC254 —— F - Rectangle GCD
1
2
ABC254 —— G - Elevators
2
2
ABC254 —— Ex - Multiply or Divide by 2
1
1
ABC255 —— A - You should output ARC, though this is ABC.
2
2
ABC255 —— B - Light It Up
1
2
ABC255 —— C - ±1 Operation 1
1
1
ABC255 —— D - ±1 Operation 2
1
2
ABC255 —— E - Lucky Numbers
2
2
ABC255 —— F - Pre-order and In-order
2
2
ABC255 —— G - Constrained Nim
2
2
ABC255 —— Ex - Range Harvest Query
1
1
CodeChef BOOKPAGES - Divide Pages
1
1
CodeChef DISTMAT - Distinct Matrix
0
1
CodeChef ASFA - Good XOR
1
1
CodeChef BSTRING - Beautiful Strings
1
1
不能被整除的数
7
7
不能被2和3整除的数
1
1