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Hot problems
WC '17 Contest 3 J3 - Uncrackable
Problem ▴
Category
Points
AC %
Users
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%
162
CCO '23 P2 - Real Mountains
CCO
17p
14.2%
63
CCO '23 P3 - Line Town
CCO
30p
10.7%
21
CCO '23 P4 - Flip it and Stick it
CCO
17p
6.7%
50
CCO '23 P5 - Travelling Trader
CCO
30p
7.9%
17
CCO '23 P6 - Triangle Collection
CCO
25p
16.2%
17
CCO '96 P1 - Train Swapping
CCO
5
26.9%
212
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
CCO '96 P5 - All Roads Lead Where?
CCO
7
62.6%
271
CCO '96 P6 - Hoppers
CCO
15
15.5%
29
CCO '97 P1 - Palindromes
CCO
10
11.1%
21
CCO '97 P2 - Alien Invasion
CCO
10
43.4%
54
CCO '97 P3 - Porous Stone
CCO
10
33.3%
2
CCO '97 P4 - High Tide
CCO
10
11.8%
3
CCO '97 P5 - Space Aliens
CCO
10
46.7%
3
CCO '97 P6 - Aligning DNA
CCO
7
19.1%
11
CCO '98 P1 - Fibonacci Numbers
CCO
7
26.2%
158
CCO '98 P2 - Message Deciphering
CCO
7
51.9%
20
CCO '98 P3 - Bus Schedule
CCO
12
12.5%
2
CCO '98 P4 - Scoring Curling
CCO
7p
25.0%
8
CCO '98 P5 - Text Segmentation
CCO
10
23.7%
18
CCO '98 P6 - Derek's Dilemma
CCO
12
46.7%
4
CCO '99 P1 - You Can't Get There From Here
CCO
7
27.5%
16
CCO '99 P2 - Common Words
CCO
10
12.3%
313
CCO '99 P3 - Manelzuma's Revenge
CCO
10
28.6%
2
CCO '99 P4 - Maple Roundup
CCO
10
21.8%
19
CCO '99 P5 - Sum Of Products
CCO
15
4.3%
1
CCO '99 P6 - Fast Food
CCO
15
34.4%
10
CCO Preparation Test 1 P1 - Double Cross
Mock CCO
20p
12.1%
10
CCO Preparation Test 1 P2 - Escape Maze
Mock CCO
20p
12.0%
39
CCO Preparation Test 1 P3 - K-th Rank Student
Mock CCO
17p
35.2%
151
CCO Preparation Test 2 P1 - Concatenation
Mock CCO
17p
13.1%
32
CCO Preparation Test 2 P2 - Forest Area
Mock CCO
25p
3.8%
5
CCO Preparation Test 2 P3 - Subsets
Mock CCO
20p
16.7%
39
CCO Preparation Test 3 P1 - Primitive Pythagorean Pairs
Mock CCO
25p
13.7%
20
CCO Preparation Test 3 P2 - Packing Up
Mock CCO
25p
14.9%
117
CCO Preparation Test 3 P3 - Arrow
Mock CCO
30p
18.1%
58
CCO Preparation Test 4 P3 - Dynamic MST
Mock CCO
25p
22.4%
49
CCO Preparation Test 5 P1 - City Game
Mock CCO
15
26.4%
202
CCO Preparation Test 5 P2 - Corporative Network
Mock CCO
15
7.3%
13
CCO Preparation Test 5 P3 - Minimum Cycle
Mock CCO
15p
9.4%
9
CCO Preparation Test 5 P4 - Toys
Mock CCO
15p
3.1%
2
CCO Preparation Test 6 P1 - Bus Routes
Mock CCO
20p
24.2%
6
CCO Preparation Test 6 P2 - An Easy Problem
Mock CCO
12p
32.5%
204
CCO Preparation Test 6 P3 - HopScotch
Mock CCO
20p
23.1%
140
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