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Hot problems
ECOO '13 R1 P1 - Take a Number
CCC '24 J3 - Bronze Count
Fibonacci Sequence
Problem
Category
Points
AC %
Users ▾
Facebook Hacker Cup '15 Round 1 P1 - Homework
FHC
10
34.0%
641
Educational DP Contest AtCoder H - Grid 1
Uncategorized
7
43.3%
637
Mock CCC '22 Contest 1 J1 - Square Root Decomposition
Mock CCC
3
41.4%
637
COCI '09 Contest 1 #1 Note
COCI
3
52.5%
635
CCCJQR P1
Seasonal
0
72.8%
634
Another Contest 6 Problem 2 - A Plus B (Easy)
ACC
0p
37.3%
632
Longest Increasing Subsequence
Uncategorized
7
29.2%
630
COCI '08 Contest 3 #1 Pet
COCI
5
57.1%
627
DWITE '07 R1 #1 - Vanilla Primes
DWITE
3
24.5%
627
Mock CCC '19 Contest 1 S1 - Pusheen's Report Card
Mock CCC
3p
41.2%
626
CCC '09 S5 - Wireless
CCC
12p
35.0%
620
CCCHK '08 J3 - Phone book
CCC
5p
34.6%
620
DMOPC '17 Contest 1 P1 - Fujō Neko
DMOPC
5p
25.8%
619
Educational DP Contest AtCoder E - Knapsack 2
Uncategorized
7
23.6%
617
Another Contest 5 Problem 1 - Goat Fence
ACC
3p
26.9%
617
CCC '00 S3 - Surfing
CCC
7
17.4%
615
Lexicographically Least Substring
Uncategorized
5
46.1%
614
COCI '07 Contest 2 #1 Bijele
COCI
3
64.5%
614
Chocolate Bar
Uncategorized
5
51.7%
614
ECOO '18 R1 P1 - Willow's Wild Ride
ECOO
5p
27.4%
613
CCC '04 S3 - Spreadsheet
CCC
10
27.1%
610
DMOPC '14 Contest 2 P3 - Sawmill
DMOPC
7p
36.8%
599
CCO '14 P1 - Troyangles
CCO
10p
37.6%
593
SAC '22 Code Challenge 1 P1 - That Teacher
SAC Coding Challenge
3
69.2%
590
Back From Summer '17 P2: Crayola Lightsaber
Seasonal
7
25.2%
588
COCI '06 Contest 3 #1 Patuljci
COCI
5
59.9%
587
Mock CCC '18 Contest 3 J1 - A Sum Problem
Mock CCC
3p
61.1%
587
Hello, World! (Hard)
Uncategorized
0
6.4%
587
COCI '08 Contest 2 #3 Perket
COCI
7
47.2%
585
CCCHK '15 J3 - Queens can't attack me!
CCC
5
50.8%
584
BlueBook - Find the Character
BlueBook
3
38.8%
583
DMOPC '19 Contest 6 P0 - Trivial Math
DMOPC
3
64.7%
582
CCC '21 S4 - Daily Commute
CCC
12p
26.1%
580
An Animal Contest 5 P1 - Bamboo Cookies
AAC
3p
47.1%
577
CCC '16 S5 - Circle of Life
CCC
20p
22.6%
574
CCC '05 J4 - Cross Spiral
CCC
7p
32.7%
574
CCC '18 S4 - Balanced Trees
CCC
15p
16.8%
573
COCI '06 Contest 1 #4 Slikar
COCI
10
24.1%
572
BlueBook - Interest
BlueBook
3
28.5%
572
CCC '96 S4 - When in Rome
CCC
10
33.0%
569
Mock CCC '18 Contest 5 J1 - Looking for the CCC
Mock CCC
3p
44.6%
563
Mock CCC '22 Contest 2 J2 - Snowboarding Championship
Mock CCC
3
35.7%
562
Mock CCC '20 Contest 1 J2 - A Simplex Problem
Mock CCC
3p
51.4%
559
DMOPC '18 Contest 1 P0 - Sorting
DMOPC
3
46.5%
557
WC '17 Contest 1 J1 - Canadian Accent
Woburn Challenge
3
66.2%
556
Mock CCC '23 Contest 1 J2 - Healthy Schedule
Mock CCC
3
38.6%
556
DMOPC '16 Contest 4 P1 - Fast Exponents
DMOPC
5p
26.5%
555
DMPG '18 B1 - Pizza Orders
DMOPC
3
44.9%
554
BlueBook - Prime
BlueBook
3
32.4%
554
CCC '15 S5 - Greedy For Pies
CCC
17p
23.5%
553
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