Problems

Problem Category Points AC % Users
Easy splitting Uncategorized 100p 1.4% 3
Omar and Circles Uncategorized 100p 12.0% 17
Contest strategy Uncategorized 100p 7.7% 20
Xor Sort Uncategorized 100p 10.2% 2
Fun Tour Uncategorized 100p 5.3% 1
Painting Walls Uncategorized 100p 6.3% 2
Swapping cities Uncategorized 100p 3.8% 1
Hexagonal Territory ioi 100p 10.0% 1
Rainforest Jumps ioi 100p 8.3% 2
Road Closures ioi 100p 5.9% 1
A Plus B Uncategorized 5p 26.9% 731
Going to FlatLand Uncategorized 35 7.4% 21
Merge them up Interview questions 30 11.4% 122
Coin change Educative 15 29.2% 72
Count paths Educative 15 12.4% 59
Fibonacci queries Educative 15 6.3% 98
Maximum subarray Educative 15 26.1% 145
Knapsack Educative 15 16.3% 31
Longest Increasing Subsequence Educative 15 27.7% 75
Constructing tetrahedrons Uncategorized 25p 14.4% 33
Find components Uncategorized 30p 14.1% 11
Azuz's Anagram Uncategorized 10 14.0% 150
High school mathematics Uncategorized 30 12.9% 96
Houda and Weird Auction Uncategorized 25 15.7% 24
Houda Playing Pocker Uncategorized 20 21.7% 92
Last Digit! Uncategorized 10 16.7% 321
Oola and the Rabbits Uncategorized 25 14.5% 25
Rotten Berries Uncategorized 25 27.2% 46
Stable Zeroing Uncategorized 20 21.5% 176
Tree Puzzle Uncategorized 25 37.5% 46
Unique SubString Uncategorized 30 15.0% 21
24/7 cafe Uncategorized 25 13.3% 12
Diaa was Live! Uncategorized 25 8.7% 122
Corona Virus Alert Uncategorized 5 31.5% 419
Corona Virus Spread Uncategorized 15 24.1% 159
Covid Statistics Uncategorized 25 11.2% 31
Magical Frog Uncategorized 35 9.0% 15
Re: Count The Digits Uncategorized 20 15.4% 50
Separate them Uncategorized 40 10.0% 18
Tadamoncovid Uncategorized 35 12.3% 41
Unfinished Artwork Uncategorized 25 20.4% 80
Find solutions Educative 25 17.4% 41
Subset sum Educative 20 16.1% 52
The travelling salesman problem Educative 20 17.4% 17
Islands Interview questions 25 15.5% 22
Min amplitude Interview questions 20 10.4% 19
Repeated digits Interview questions 20 11.8% 89
Stairs numbers Interview questions 35 10.0% 22
IOI 2017 - Books ioi 0p 8.8% 1
IOI 2017 - Train ioi 0p 13.6% 2