Problems

Problem Category Points AC % Users
Easy splitting Uncategorized 100p 1.7% 3
Omar and Circles Uncategorized 100p 13.8% 16
Contest strategy Uncategorized 100p 8.2% 18
Xor Sort Uncategorized 100p 11.6% 2
Fun Tour Uncategorized 100p 5.3% 1
Painting Walls Uncategorized 100p 6.3% 2
Swapping cities Uncategorized 100p 4.2% 1
Hexagonal Territory ioi 100p 25.0% 1
Rainforest Jumps ioi 100p 8.3% 2
Road Closures ioi 100p 5.9% 1
A Plus B Uncategorized 5p 26.2% 661
Going to FlatLand Uncategorized 35 7.5% 21
Merge them up Interview questions 30 11.6% 115
Coin change Educative 15 29.6% 69
Count paths Educative 15 13.0% 55
Fibonacci queries Educative 15 6.1% 91
Maximum subarray Educative 15 26.6% 134
Knapsack Educative 15 15.7% 28
Longest Increasing Subsequence Educative 15 27.4% 70
Constructing tetrahedrons Uncategorized 25p 15.5% 33
Find components Uncategorized 30p 14.9% 11
Azuz's Anagram Uncategorized 10 14.6% 145
High school mathematics Uncategorized 30 12.9% 91
Houda and Weird Auction Uncategorized 25 16.4% 21
Houda Playing Pocker Uncategorized 20 22.6% 87
Last Digit! Uncategorized 10 16.9% 301
Oola and the Rabbits Uncategorized 25 17.8% 25
Rotten Berries Uncategorized 25 27.2% 42
Stable Zeroing Uncategorized 20 21.8% 165
Tree Puzzle Uncategorized 25 43.4% 41
Unique SubString Uncategorized 30 15.3% 20
24/7 cafe Uncategorized 25 14.0% 12
Diaa was Live! Uncategorized 25 8.7% 114
Corona Virus Alert Uncategorized 5 31.3% 382
Corona Virus Spread Uncategorized 15 24.2% 151
Covid Statistics Uncategorized 25 11.9% 30
Magical Frog Uncategorized 35 8.8% 14
Re: Count The Digits Uncategorized 20 15.8% 50
Separate them Uncategorized 40 10.0% 18
Tadamoncovid Uncategorized 35 12.4% 40
Unfinished Artwork Uncategorized 25 20.6% 75
Find solutions Educative 25 16.0% 31
Subset sum Educative 20 15.9% 48
The travelling salesman problem Educative 20 17.5% 15
Islands Interview questions 25 16.3% 20
Min amplitude Interview questions 20 11.5% 18
Repeated digits Interview questions 20 12.2% 83
Stairs numbers Interview questions 35 9.8% 19
IOI 2017 - Books ioi 0p 8.8% 1
IOI 2017 - Train ioi 0p 13.6% 2