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Hot problems
CCC '21 J3 - Secret Instructions
Problem
Category
Points
AC %
Users ▾
VM7WC '16 #4 Gold - Restoring Reputation
VM7WC
10
35.8%
337
IOI '10 P3 - Quality of Living (Standard I/O)
IOI
15p
28.0%
337
DMOPC '19 Contest 6 P2 - Grade 10 Math
DMOPC
7
34.8%
336
DMOPC '16 Contest 2 P1 - Seed Strategy
DMOPC
3
45.6%
335
DMOPC '17 Contest 1 P3 - Hitchhiking Fun
DMOPC
7p
23.1%
335
Another Contest 3 Problem 1 - Diverse Arrays
ACC
7
17.2%
335
COCI '06 Contest 1 #3 Okviri
COCI
5
41.6%
334
Discerning Discounts
Uncategorized
3p
25.4%
334
COCI '07 Contest 4 #1 Vauvau
COCI
5
58.5%
334
Mock CCC '18 Contest 1 J2 - A Substring Problem
Mock CCC
3p
26.9%
334
Wesley's Anger Contest 3 Problem 1 - Snow Day Predictor
WAC
3
53.8%
334
Back From Summer '19 P1: Winnie's Orphans
Seasonal
3
43.5%
333
Sum of Primes 2
Uncategorized
5p
21.3%
333
Another Contest 8 Problem 1 - Trash Push
ACC
3
47.0%
333
GFSSOC '15 Winter S1 - OR-deal
GFSSOC
5p
31.4%
331
ECOO '16 R1 P3 - Railway Sort
ECOO
7p
39.3%
331
DWITE '07 R5 #2 - Number of factors
DWITE
5
41.8%
331
SAC '22 Code Challenge 3 Junior P1 - Normal Problem
SAC Coding Challenge
3p
66.3%
331
WC '17 Contest 4 J1 - Fight or Flight
Woburn Challenge
3
66.0%
330
ECOO '21 P2 - DNA Derren
ECOO
3p
58.7%
330
COCI '14 Contest 1 #1 Prosjek
COCI
5p
58.0%
329
Back To School '17: Wet Mud
Seasonal
10p
19.7%
329
Educational DP Contest AtCoder O - Matching
Uncategorized
12
57.3%
329
CCC '06 S4 - Groups
CCC
10
46.5%
328
DMPG '18 B2 - Mimi and Modulus
DMOPC
3p
22.3%
328
COCI '06 Contest 6 #1 Prase
COCI
5p
58.6%
327
DMOPC '17 Contest 3 P0 - 2-Satisfiability
DMOPC
3
50.2%
325
CPC '19 Contest 1 P2 - Luggage
Uncategorized
7p
27.0%
325
Valentine's Day '19 J3 - Love!
Uncategorized
7p
27.5%
324
COCI '09 Contest 2 #1 Faktor
COCI
3p
68.0%
324
IOI '09 P6 - Mecho
IOI
15
14.8%
324
The Third Cellar
Uncategorized
10
27.0%
323
COCI '08 Contest 4 #2 Datum
COCI
3
46.0%
323
DMPG '19 B1 - Registration
DMOPC
3
56.4%
323
VPEX P2 - Darcy Parties
Uncategorized
3p
62.6%
323
IOI '02 P4 - Batch Scheduling
IOI
20p
37.6%
322
DMPG '15 B4 - Maximum Product
DMOPC
7p
18.3%
321
DMOPC '15 Contest 4 P1 - Dictionary
DMOPC
3p
49.4%
321
CCO '11 P2 - Vampire Tunnels
CCO
15p
19.0%
320
COCI '06 Contest 5 #5 Ivana
COCI
15p
49.1%
320
DMPG '17 S1 - Molly and Difference
DMOPC
5p
32.6%
320
DWITE '07 R2 #1 - Not Quite Prime
DWITE
5
58.2%
320
BlueBook - Triangle
BlueBook
3
48.6%
320
OTHS Coding Competition 1 (Mock CCC) J2 - Wand Selection
Uncategorized
3
58.3%
320
A Plus B (Hard)
Uncategorized
12
10.9%
318
COCI '07 Contest 6 #2 Semafori
COCI
7
45.4%
317
Mock CCO '18 Contest 3 Problem 4 - Roger Solves A Classic Rage Tree Problem
Mock CCO
10p
50.3%
317
Appleby Contest '19 P1 - Darcy's Debilitating Demands
Uncategorized
3p
17.7%
317
DMOPC '17 Contest 2 P2 - Balance
DMOPC
5p
16.6%
316
THICC '17 P5 - Smarties
Uncategorized
7p
34.5%
316
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