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Hot problems
Educational DP Contest AtCoder C - Vacation
COCI '14 Contest 5 #3 Traktor
CCCHK '15 J3 - Queens can't attack me!
IOI '04 P4 - Phidias
CCC '10 J2 - Up and Down
IOI '14 Practice Task 1 - Square
COCI '07 Contest 4 #4 Muzicari
Problem
Category
Points
AC %
Users ▴
New Year's '19 P6 - Buffer Zone
Seasonal
20
17.6%
3
CTU Open Contest 2018 - Numbers Generator
ICPC
20
57.9%
3
CCO '97 P4 - High Tide
CCO
10
11.8%
3
CCO '97 P5 - Space Aliens
CCO
10
46.7%
3
DMPG '19 G2 - Test Marks
DMOPC
20p
25.5%
3
OCC '19 G4 - Willson and Fighting
Olympiads School
30p
3.5%
3
Baltic OI '13 P6 - Vim
Baltic OI
20p
17.6%
3
COCI '19 Contest 2 #4 Popcount
COCI
20p
12.0%
3
Mock CCC '20 Contest 2 S5 - Sticks
Mock CCC
20p
1.9%
3
ICPC ECNA 2019 C - Cheese, If You Please
ICPC
25
30.4%
3
CCO '06 P5 - Domino
CCO
30
3.9%
3
COCI '09 Contest 2 #5 Poslozi
COCI
40
0.6%
3
NOI '98 P3 - Software Installation Disk
China NOI
15p
43.8%
3
NOI '09 P6 - Tracing
China NOI
20p
7.2%
3
NOI '05 P5 - Little H's Party
China NOI
30p
2.4%
3
NOI '02 P5 - New Tetris
China NOI
15p
4.1%
3
Union Laser
Uncategorized
25p
35.0%
3
IOI '97 P4 - Map Labelling
IOI
20p
53.2%
3
ACSL '09 Contest 3 Senior - Pinochle
Uncategorized
10p
34.1%
3
ICPC NEERC 2010 B - Binary Operation
ICPC
20p
20.0%
3
ICPC NEERC 2010 H - Hands of Poker
ICPC
15p
37.5%
3
MMM '14 G - Campfire Cooking
Uncategorized
40p
2.7%
3
MMM '14 H - Lift Control
Uncategorized
25p
71.8%
3
WC '01 P7 - The Sixth Sense
Woburn Challenge
15
14.8%
3
WC '02 P9 - A Nerd's Preparation
Woburn Challenge
20p
2.9%
3
Detectors
Uncategorized
15p
2.0%
3
ICPC SWERC 2017 B - Table
ICPC
20
44.4%
3
ICPC SWERC 2017 E - Ingredients
ICPC
15
18.0%
3
ICPC SWERC 2017 H - Kabobs
ICPC
35
27.3%
3
IOI '20 P5 - Counting Mushrooms
IOI
35p
2.5%
3
COCI '12 Contest 6 #6 Bakterije
COCI
15
7.7%
3
COCI '11 Contest 5 #5 Blokovi
COCI
20p
16.0%
3
Calendar Contest Problem 4 — Savvyday 29 Oatmeal 94
Seasonal
10
1.0%
3
Matchings
POI
30p
15.6%
3
ICPC NEERC 2014 I - Improvements
ICPC
15
25.0%
3
Baltic OI '11 P5 - Meetings
Baltic OI
25p
8.3%
3
Baltic OI '15 P1 - Bowling
Baltic OI
20p
50.0%
3
COI '16 #1 Ili
COCI
17p
42.9%
3
COI '16 #2 Raspad
COCI
30p
60.0%
3
COI '14 #1 Čvenk
COCI
17p
25.0%
3
A Math Contest P17 - Heatwaves
Uncategorized
45
36.4%
3
APIO '22 P2 - Game
APIO
25p
1.9%
3
Baltic OI '04 P4 - Repeats
Baltic OI
30p
50.0%
3
Yet Another Contest 7 P5 - Egg Dropping
YAC
25p
1.5%
3
Google Code Jam '22 Qualification Round Problem E - Twisty Little Passages
Google Code Jam
20p
57.1%
3
Google Code Jam '08 Round 1A Problem C - Numbers
Google Code Jam
20p
20.0%
3
Google Code Jam '09 Round 1A Problem A - Multi-base happiness
Google Code Jam
12p
40.0%
3
Google Code Jam '09 Round 1A Problem C - Collecting Cards
Google Code Jam
10p
60.0%
3
Google Code Jam '10 Qualification Round Problem C - Theme Park
Google Code Jam
10p
40.0%
3
Google Code Jam '10 Round 1A Problem B - Make it Smooth
Google Code Jam
10p
15.0%
3
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