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Random
Hot problems
COCI '14 Contest 6 #4 Kratki
Educational DP Contest AtCoder L - Deque
IOI '04 P4 - Phidias
ICPC PACNW 2016 A - Alphabet
CCC '04 S4 - Space Turtle
CCO '23 P1 - Binaria
Educational DP Contest AtCoder H - Grid 1
Problem
Category
Points
AC %
Users ▾
CCO Preparation Test 3 P2 - Packing Up
Mock CCO
25p
14.9%
117
Rotations in 3 Dimensions
Uncategorized
12
28.5%
117
DWITE '12 R2 #3 - Bitstrings
DWITE
3
34.8%
117
Another Contest 4 Problem 4 - Another Isosceles Right Triangle
ACC
0
45.7%
117
DMOPC '19 Contest 7 P5 - Soriya's Programming Project
DMOPC
20p
17.6%
117
ACM U of T Tryouts C1 E - Foxling Feeding Frenzy
ICPC
7
30.2%
117
Diagnostic Test '16 Level 1 P1 - StarMath
Uncategorized
3
29.2%
117
Factorial Sum List
Uncategorized
5
41.2%
117
UCC Coding Competition '21 P5 - Woodcutting Game
Uncategorized
10p
21.3%
117
CCC '06 S5 - Origin of Life
CCC
15
18.7%
116
JOI '14 Open P6 - Secret
JOI
17p
15.8%
116
TLE '17 Contest 6 P1 - Molecules
TLE
3p
16.9%
116
DMOPC '18 Contest 4 P3 - Dr. Henri and Ionization
DMOPC
10p
43.5%
116
CCO '04 P5 - Jengaism
CCO
7
31.8%
116
WC '15 Finals S2 - Hydration
Woburn Challenge
10p
26.9%
116
WC '18 Contest 2 J3 - Seeing Double
Woburn Challenge
3p
58.6%
116
IOI '07 P5 - Pairs
IOI
25p
10.0%
116
DMOPC '20 Contest 6 P3 - Bread Merchant
DMOPC
10p
18.9%
116
DMOPC '14 Contest 7 P6 - Revenge of the Bins
DMOPC
20p
32.8%
115
COCI '06 Contest 4 #6 Ispiti
COCI
20p
26.7%
115
CCO '18 P2 - Wrong Answer
CCO
12p
15.4%
115
COCI '17 Contest 2 #1 Košnja
COCI
3
61.3%
115
Wesley's Anger Contest 1 Problem 2 - A Minimum Cost Flow Problem
WAC
7p
31.4%
115
A Very Coordinated Christmas
Uncategorized
7p
34.5%
115
SMAC 08/09 (Oct) #1 - Eliminanagram
Uncategorized
5
47.0%
115
Better Censor
Uncategorized
7
22.4%
114
VM7WC '15 #5 Bronze - Melanioana
VM7WC
3
29.1%
114
Educational DP Contest AtCoder S - Digit Sum
Uncategorized
12
31.6%
114
COCI '09 Contest 7 #4 Svemir
COCI
12p
38.9%
114
NOIP '18 P2 - Currency System
China NOI
10p
42.8%
114
WOSS Dual Olympiad 2023 J3/S1: Moving Sand
Uncategorized
7
38.2%
114
GFSSOC '15 Winter S4 - Starry Nights
GFSSOC
12p
22.4%
113
COCI '15 Contest 4 #5 Galaksija
COCI
15p
18.3%
113
DMOPC '15 Contest 5 P2 - D-Mails
DMOPC
5p
46.8%
113
ICPC NAQ 2016 G - Inverse Factorial
ICPC
10
17.8%
113
COCI '08 Contest 6 #3 Nered
COCI
10
36.9%
113
Summer Institute '17 Contest 3 P5 - Balanced Cycles
SIUCF
20
30.7%
113
COCI '09 Contest 1 #3 Dobra
COCI
7
45.1%
113
Wesley's Anger Contest 5 Problem 3 - Super Squirrel Sisters
WAC
12p
19.6%
113
Graph Contest 1 P3 - Counting Cycles
Uncategorized
10
16.0%
113
WC '18 Contest 2 S1 - Laser Grid
Woburn Challenge
7p
57.3%
113
WC '17 Contest 2 J2 - Breeding an Army
Woburn Challenge
3
52.1%
113
BSSPC '21 J5 - James and the Euclid Test
Uncategorized
7p
25.4%
113
COCI '21 Contest 1 #1 Ljeto
COCI
5p
42.4%
113
COCI '21 Contest 6 #3 Naboj
COCI
10p
36.0%
113
DMPG '15 G1 - Marcia and Maze
DMOPC
10p
26.8%
112
ICPC ECNA 2016 D - Lost in Translation
ICPC
10
28.1%
112
TLE '17 Contest 1 P1 - String Rounding
TLE
3p
27.3%
112
DWITE '11 R1 #2 - Penny Game
DWITE
5
24.3%
112
Emoji Search
Uncategorized
5
47.7%
112
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