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Hot problems
CCC '24 J3 - Bronze Count
COCI '08 Contest 4 #6 Periodni
APIO '09 P1 - Digging for Oil
COCI '23 Contest 5 #1 Zlagalica
Fibonacci Sequence
CCC '24 J5 - Harvest Waterloo
Segment Tree Test
Problem
Category
Points
AC %
Users ▾
DWITE '07 R1 #1 - Vanilla Primes
DWITE
3
24.5%
627
DWITE '08 R3 #2 - Wordcount++
DWITE
5
35.7%
436
DWITE '09 R7 #2 - Sum of Primes
DWITE
5
55.1%
346
DWITE '07 R2 #5 - Bridges In A Graph
DWITE
7
20.5%
344
DWITE '07 R1 #2 - Cubes in a Pyramid
DWITE
3p
17.6%
341
DWITE '07 R2 #1 - Not Quite Prime
DWITE
5
58.1%
318
DWITE '09 R1 #5 - Running In Circles
DWITE
7
19.7%
316
DWITE '07 R5 #2 - Number of factors
DWITE
5
47.7%
308
DWITE '08 R2 #2 - My favourite digit
DWITE
3
59.0%
297
DWITE '10 R3 #3 - Dominos Tiling
DWITE
10
46.3%
266
DWITE '11 R4 #2 - Prime Time
DWITE
5
49.9%
263
DWITE '12 R1 #4 - Trick or Tree'ing
DWITE
5
23.0%
258
DWITE '09 R1 #3 - That Missing Number
DWITE
5
52.6%
256
DWITE '07 R1 #4 - Stacks of Blocks
DWITE
5
36.2%
253
DWITE '07 R2 #4 - All Is Balanced
DWITE
5
23.3%
252
DWITE '09 R5 #2 - Round to Second Prime
DWITE
5
58.5%
250
DWITE '08 R3 #4 - Time for change
DWITE
7
61.3%
241
DWITE '07 R3 #2 - There's An Essay In My Code
DWITE
5
30.2%
222
DWITE '09 R1 #2 - Word Scrambler
DWITE
5
57.0%
222
DWITE '12 R2 #4 - Magic Trick
DWITE
7
42.1%
212
DWITE '10 R5 #2 - Safe from Rooks
DWITE
5
32.6%
210
DWITE '06 R5 #5 - Prime Palindromes
DWITE
10
25.0%
209
DWITE '10 R1 #1 - Age Gate
DWITE
3
33.0%
208
DWITE '09 R6 #4 - Time for Change
DWITE
7
58.0%
206
DWITE '07 R4 #4 - Shortest path around
DWITE
7
42.3%
186
DWITE '09 R6 #2 - Round to power of two
DWITE
3
50.6%
180
DWITE '09 R3 #2 - Rounding to Fibonacci
DWITE
5
63.4%
171
DWITE '10 R5 #3 - Balancing Act
DWITE
7
39.3%
165
DWITE '12 R5 #3 - Triangle Count
DWITE
7
33.1%
156
DWITE '07 R3 #1 - Yet Another Primes Question
DWITE
5
58.2%
156
DWITE '08 R4 #4 - Shortest path around v2
DWITE
7
46.9%
156
DWITE '08 R1 #4 - What is this Roman Numeral
DWITE
7
62.0%
155
DWITE '11 R2 #5 - Portals Check
DWITE
7
13.5%
154
DWITE '09 R2 #4 - Breadth First Not Quite Tree
DWITE
5
33.3%
149
DWITE '11 R1 #5 - Tattarrattat
DWITE
10
59.0%
147
DWITE '08 R5 #1 - Baby Diff
DWITE
3
56.6%
146
DWITE '07 R3 #3 - Playlist
DWITE
7
43.8%
146
DWITE '07 R2 #2 - Show Me The Money!
DWITE
3
36.6%
144
DWITE '11 R5 #1 - Age Gate
DWITE
3
40.2%
138
DWITE '12 R5 #2 - Copycat SMS
DWITE
5
29.8%
135
DWITE '10 R1 #3 - Power tiles
DWITE
5
68.7%
135
DWITE '09 R5 #1 - ASCII bar graphs
DWITE
3
66.0%
134
DWITE '02 R2 #5 - Now I know my ABCs
DWITE
5
38.6%
131
DWITE '10 R3 #4 - Forest Fires
DWITE
7
40.5%
127
DWITE '07 R2 #3 - Floor Plan
DWITE
7
68.4%
123
DWITE '09 R6 #5 - Air Travel Planning
DWITE
7
61.0%
118
DWITE '12 R2 #3 - Bitstrings
DWITE
3
34.8%
116
DWITE '11 R1 #2 - Penny Game
DWITE
5
24.3%
112
DWITE '10 R5 #5 - Cube World
DWITE
12
26.5%
111
DWITE '02 R2 #2 - The Five M's of Stats 101
DWITE
5
31.1%
111
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