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Hot problems
CCC '24 J3 - Bronze Count
COCI '08 Contest 4 #6 Periodni
APIO '09 P1 - Digging for Oil
Fibonacci Sequence
COCI '23 Contest 5 #1 Zlagalica
CCC '24 J5 - Harvest Waterloo
Segment Tree Test
Problem
Category
Points
AC %
Users
CCO '16 P4 - O Canada
CCO
10p
36.3%
261
CCO '16 P5 - Zombie Apocalypse
CCO
15p
19.1%
142
CCO '16 P6 - Pirates
CCO
25p
20.6%
69
CCO '17 P1 - Vera and Trail Building
CCO
7p
38.5%
412
CCO '17 P2 - Cartesian Conquest
CCO
20p
9.5%
54
CCO '17 P3 - Vera and Modern Art
CCO
30p
14.0%
92
CCO '17 P4 - Rainfall Storage
CCO
20p
36.2%
177
CCO '17 P5 - Professional Network
CCO
20p
32.5%
165
CCO '17 P6 - Shifty Grid
CCO
30p
17.8%
34
CCO '18 P1 - Geese vs. Hawks
CCO
10p
38.5%
541
CCO '18 P2 - Wrong Answer
CCO
12p
15.4%
115
CCO '18 P3 - Fun Palace
CCO
30p
18.1%
76
CCO '18 P4 - Gradient Descent
CCO
15p
14.4%
246
CCO '18 P5 - Boring Lectures
CCO
20p
19.0%
123
CCO '18 P5 - Boring Lectures (Online Version)
CCO
30p
7.7%
49
CCO '18 P6 - Flop Sorting
CCO
30p
17.4%
58
CCO '19 P1 - Human Error
CCO
10p
31.2%
87
CCO '19 P2 - Sirtet
CCO
20p
24.2%
80
CCO '19 P3 - Winter Driving
CCO
30p
16.9%
60
CCO '19 P4 - Card Scoring
CCO
25p
15.3%
67
CCO '19 P5 - Marshmallow Molecules
CCO
15p
26.9%
126
CCO '19 P6 - Bad Codes
CCO
20p
25.2%
67
CCO '20 P1 - A Game with Grundy
CCO
10p
20.2%
211
CCO '20 P2 - Exercise Deadlines
CCO
15p
29.6%
286
CCO '20 P3 - Mountains and Valleys
CCO
35p
5.8%
25
CCO '20 P4 - Travelling Salesperson
CCO
25p
19.3%
88
CCO '20 P5 - Interval Collection
CCO
25p
15.8%
59
CCO '20 P6 - Shopping Plans
CCO
30p
9.0%
39
CCO '21 P1 - Swap Swap Sort
CCO
17p
17.6%
150
CCO '21 P2 - Weird Numeral System
CCO
17p
12.2%
83
CCO '21 P3 - Through Another Maze Darkly
CCO
25p
20.3%
48
CCO '21 P4 - Travelling Merchant
CCO
25p
19.8%
50
CCO '21 P5 - Bread First Search
CCO
20p
23.0%
62
CCO '21 P6 - Loop Town
CCO
50p
4.7%
13
CCO '22 P1 - Alternating Heights
CCO
12p
27.2%
131
CCO '22 P2 - Rainy Markets
CCO
17p
18.3%
98
CCO '22 P3 - Double Attendance
CCO
25p
7.4%
27
CCO '22 P4 - Bi-ing Lottery Treekets
CCO
20p
22.4%
28
CCO '22 P5 - Phone Plans
CCO
20p
12.1%
30
CCO '22 P6 - Good Game
CCO
35p
19.6%
12
CCO '23 P1 - Binaria
CCO
12p
23.8%
161
CCO '23 P2 - Real Mountains
CCO
17p
14.1%
62
CCO '23 P3 - Line Town
CCO
30p
10.7%
21
CCO '23 P4 - Flip it and Stick it
CCO
17p
7.0%
48
CCO '23 P5 - Travelling Trader
CCO
30p
7.0%
14
CCO '23 P6 - Triangle Collection
CCO
25p
16.2%
17
CCO '96 P1 - Train Swapping
CCO
5
26.8%
211
CCO '96 P2 - SafeBreaker
CCO
10
36.2%
89
CCO '96 P3 - Quadtrees
CCO
15
48.4%
84
CCO '96 P4 - Where's Waldorf?
CCO
7
47.2%
81
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