Problems

 RSS feed for new problems

Alfa 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Blaðra 40 39 98% 0.00 30 30 100% 1.3 - 1.4
B Fibonacci Gjöf 117 115 98% 0.00 13 13 100% 2.5 - 7.9
C Gini Stuðull 44 43 98% 0.00 16 16 100% 1.8 - 4.5
D Hlaupafmæli 36 34 94% 0.00 22 22 100% 1.4 - 4.3
E Núll og tveir 35 32 91% 0.00 13 13 100% 2.1 - 5.2
F Raðgreining 1 18 18 100% 0.00 12 12 100% 1.8 - 3.7
G RNG Test 32 32 100% 0.00 16 16 100% 1.7 - 6.3
H Sushi 18 18 100% 0.00 5 5 100% 4.2 - 7.0
I Þjarki 11 11 100% 0.19 8 8 100% 2.5 - 6.9
J Veggja Kalli 10 10 100% 0.00 6 6 100% 2.5 - 5.1
K Bergur 18 18 100% 0.01 12 12 100% 1.8 - 3.3
L Fleytitala 39 38 97% 0.00 19 19 100% 1.5 - 4.8
M Leiðangur 16 16 100% 0.02 11 11 100% 2.0 - 4.2
N Peningar 20 20 100% 0.01 11 11 100% 1.8 - 4.2
O Pýramídasala 1 1 100% 0.03 1 1 100% 5.0 - 5.7
P Raðgreining 2 10 10 100% 0.00 3 3 100% 3.9 - 6.5
Q Rust 3 3 100% 0.00 2 2 100% 4.1 - 5.6
R Skattaskrattar 4 4 100% 0.00 3 3 100% 5.1 - 5.7
S Snjóteppa 15 15 100% 0.10 8 8 100% 2.6 - 5.9
T Veður 5 5 100% 0.12 2 2 100% 4.9 - 5.6

Beta 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Besta gjöfin 32 31 97% 0.00 17 17 100% 1.5 - 2.3
B Bið, endalaus bið 32 30 94% 0.00 14 14 100% 1.5 - 3.3
C Blaðra 40 39 98% 0.00 30 30 100% 1.3 - 1.4
D Gini Stuðull 44 43 98% 0.00 16 16 100% 1.8 - 4.5
E Hlaupafmæli 36 34 94% 0.00 22 22 100% 1.4 - 4.3
F Miði 33 33 100% 0.00 12 12 100% 1.6 - 4.8
G Raðgreining 1 18 18 100% 0.00 12 12 100% 1.8 - 3.7
H RNG Test 32 32 100% 0.00 16 16 100% 1.7 - 6.3
I Þjarki 11 11 100% 0.19 8 8 100% 2.5 - 6.9
J Veggja Kalli 10 10 100% 0.00 6 6 100% 2.5 - 5.1
K Bergur 18 18 100% 0.01 12 12 100% 1.8 - 3.3
L Fleytitala 39 38 97% 0.00 19 19 100% 1.5 - 4.8
M Kínahvísl 20 20 100% 0.01 12 12 100% 1.8 - 1.9
N Lægð yfir landinu 11 11 100% 0.00 8 8 100% 2.2 - 3.8
O Leiðangur 16 16 100% 0.02 11 11 100% 2.0 - 4.2
P Peningar 20 20 100% 0.01 11 11 100% 1.8 - 4.2
Q Pýramídasala 1 1 100% 0.03 1 1 100% 5.0 - 5.7
R Rust 3 3 100% 0.00 2 2 100% 4.1 - 5.6
S Snjóteppa 15 15 100% 0.10 8 8 100% 2.6 - 5.9
T Tok Tik 15 15 100% 0.00 10 10 100% 1.8 - 3.0

Delta 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Til hamingju 30 25 83% 0.00 22 22 100% 1.5
B Hipp Hipp 29 27 93% 0.00 18 18 100% 1.6
C Hipp Hipp Húrra 17 17 100% 0.00 15 15 100% 1.6 - 1.8
D Besta gjöfin 32 31 97% 0.00 17 17 100% 1.5 - 2.3
E Blaðra 40 39 98% 0.00 30 30 100% 1.3 - 1.4
F Miði 33 33 100% 0.00 12 12 100% 1.6 - 4.8
G Bið, endalaus bið 32 30 94% 0.00 14 14 100% 1.5 - 3.3
H Raðgreining 1 18 18 100% 0.00 12 12 100% 1.8 - 3.7
I Hlaupafmæli 36 34 94% 0.00 22 22 100% 1.4 - 4.3
J Veggja Kalli 10 10 100% 0.00 6 6 100% 2.5 - 5.1
K RNG Test 32 32 100% 0.00 16 16 100% 1.7 - 6.3
L Stórafmæli 35 30 86% 0.00 23 23 100% 1.6 - 1.9
M Takk fyrir mig 12 11 92% 0.00 10 10 100% 1.8 - 2.0
N Fyrirtækjanafn 52 51 98% 0.00 16 16 100% 1.7 - 2.4
O Kínahvísl 20 20 100% 0.01 12 12 100% 1.8 - 1.9
P Fleytitala 39 38 97% 0.00 19 19 100% 1.5 - 4.8
Q Tok Tik 15 15 100% 0.00 10 10 100% 1.8 - 3.0
R Lægð yfir landinu 11 11 100% 0.00 8 8 100% 2.2 - 3.8
S Bergur 18 18 100% 0.01 12 12 100% 1.8 - 3.3
T Peningar 20 20 100% 0.01 11 11 100% 1.8 - 4.2
U Leiðangur 16 16 100% 0.02 11 11 100% 2.0 - 4.2
V Snjóteppa 15 15 100% 0.10 8 8 100% 2.6 - 5.9

Alfa 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Afjörmun 215 198 92% 0.00 97 97 100% 1.2 - 1.9
B Blaðra 214 209 98% 0.00 60 60 100% 1.3 - 3.1
C Elo 78 77 99% 0.00 26 26 100% 1.5 - 5.7
D Gagnaleki 101 84 83% 0.00 21 21 100% 1.9 - 7.2
E Hljóðstilling 128 118 92% 0.00 23 22 96% 1.7 - 7.4
F Línuhlýnun 81 77 95% 0.02 25 25 100% 1.5 - 8.4
G Veggspjöld 39 38 97% 0.04 11 11 100% 2.4 - 8.2
H Voff 90 85 94% 0.00 20 20 100% 1.5 - 5.8
I Barcelona 88 88 100% 0.01 61 61 100% 1.2 - 1.5
J Brýr 32 31 97% 0.00 13 13 100% 2.2 - 3.9
K Háhýsi 110 103 94% 0.00 27 27 100% 1.6 - 3.8
L Einvígi 66 65 98% 0.01 13 13 100% 2.0 - 5.5
M Mætingarlisti 57 56 98% 0.01 41 41 100% 1.3 - 2.1
N Skrift 29 28 97% 0.00 12 12 100% 2.4 - 7.7
O Stalínröðun 78 73 94% 0.02 23 22 96% 1.6 - 7.2
P Svifdrekamaður 60 59 98% 0.00 16 16 100% 2.2 - 5.9

Beta 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Afjörmun 215 198 92% 0.00 97 97 100% 1.2 - 1.9
B Blaðra 214 209 98% 0.00 60 60 100% 1.3 - 3.1
C Gagnaleki 101 84 83% 0.00 21 21 100% 1.9 - 7.2
D Heimavinna 73 72 99% 0.00 48 48 100% 1.3 - 1.6
E Línuhlýnun 81 77 95% 0.02 25 25 100% 1.5 - 8.4
F Elo 78 77 99% 0.00 26 26 100% 1.5 - 5.7
G Skák 114 99 87% 0.00 60 60 100% 1.2 - 1.5
H Voff 90 85 94% 0.00 20 20 100% 1.5 - 5.8
I Barcelona 88 88 100% 0.01 61 61 100% 1.2 - 1.5
J Brýr 32 31 97% 0.00 13 13 100% 2.2 - 3.9
K Einvígi 66 65 98% 0.01 13 13 100% 2.0 - 5.5
L Háhýsi 110 103 94% 0.00 27 27 100% 1.6 - 3.8
M Klósettröð 115 111 97% 0.00 47 47 100% 1.3 - 3.8
N Mætingarlisti 57 56 98% 0.01 41 41 100% 1.3 - 2.1
O Stafsetning 93 92 99% 0.00 29 29 100% 1.4 - 4.7
P Stalínröðun 78 73 94% 0.02 23 22 96% 1.6 - 7.2

Delta 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A BergMál 115 107 93% 0.00 77 77 100% 1.3
B Hitastig 119 117 98% 0.00 48 48 100% 1.4 - 2.2
C Skák 114 99 87% 0.00 60 60 100% 1.2 - 1.5
D Hakkari 63 60 95% 0.00 38 38 100% 1.5 - 1.9
E Afjörmun 215 198 92% 0.00 97 97 100% 1.2 - 1.9
F Blaðra 214 209 98% 0.00 60 60 100% 1.3 - 3.1
G Heimavinna 73 72 99% 0.00 48 48 100% 1.3 - 1.6
H Línuhlýnun 81 77 95% 0.02 25 25 100% 1.5 - 8.4
I Dagatal 86 84 98% 0.00 51 51 100% 1.4 - 1.6
J Barcelona 88 88 100% 0.01 61 61 100% 1.2 - 1.5
K Skyttur 40 39 98% 0.00 28 28 100% 1.6 - 2.0
L Minesweeper 44 44 100% 0.00 23 23 100% 2.0 - 3.1
M Mætingarlisti 57 56 98% 0.01 41 41 100% 1.3 - 2.1
N Klósettröð 115 111 97% 0.00 47 47 100% 1.3 - 3.8
O Stafsetning 93 92 99% 0.00 29 29 100% 1.4 - 4.7
P Háhýsi 110 103 94% 0.00 27 27 100% 1.6 - 3.8

Beta 2018

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Eldspýtur 263 102 39% 0.00 73 59 81% 2.2 - 4.1
B Hornrétt 407 191 47% 0.00 92 82 89% 1.7 - 3.2
C Gatnamót 117 77 66% 0.00 34 29 85% 2.4 - 4.0
D Nafnatalning 77 42 55% 0.05 26 20 77% 3.4 - 4.5
E Landsreisa 105 64 61% 0.00 19 16 84% 3.1 - 8.7
F Lyklagangriti 112 89 79% 0.01 45 43 96% 1.5 - 4.7
G Star Wars röðun 161 81 50% 0.07 61 54 89% 2.3 - 2.8
H Röðun 81 42 52% 0.05 22 14 64% 3.9 - 4.5
I Eilíf æska 91 48 53% 0.00 20 18 90% 2.6 - 6.4
J Takkar 183 113 62% 0.00 111 109 98% 1.3
K Pönnukökur 262 121 46% 0.00 35 24 69% 3.5 - 7.3
L Formúlublað 46 23 50% 0.00 17 15 88% 2.8 - 6.7
M Skilaboð 218 121 56% 0.11 40 35 88% 2.3 - 5.3
N Vinir 185 65 35% 0.02 25 19 76% 3.1 - 4.0

Delta 2018

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Heysáta 134 89 66% 0.00 91 86 95% 1.4
B Telja 170 124 73% 0.01 113 109 96% 1.3
C Mörk 153 54 35% 0.00 58 48 83% 2.6
D Hornrétt 407 191 47% 0.00 92 82 89% 1.7 - 3.2
E Star Wars röðun 161 81 50% 0.07 61 54 89% 2.3 - 2.8
F Eldspýtur 263 102 39% 0.00 73 59 81% 2.2 - 4.1
G Lyklagangriti 112 89 79% 0.01 45 43 96% 1.5 - 4.7
H Landsreisa 105 64 61% 0.00 19 16 84% 3.1 - 8.7
I Takkar 183 113 62% 0.00 111 109 98% 1.3
J Aldur 113 81 72% 0.00 78 74 95% 1.4
K Einkunnir 110 33 30% 0.01 35 28 80% 2.7
L Skilaboð 218 121 56% 0.11 40 35 88% 2.3 - 5.3
M Pönnukökur 262 121 46% 0.00 35 24 69% 3.5 - 7.3
N Undratré 50 16 32% 0.00 11 7 64% 5.0 - 7.6

Beta 2017

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Ég elska hann 172 101 59% 0.00 59 48 81% 2.0 - 4.9
B XORsistinn 2 103 68 66% 0.00 39 35 90% 2.2 - 4.3
C Veggurinn, seinni hluti 145 70 48% 0.04 29 24 83% 2.8 - 6.2
D Önnur tilgáta Goldbachs 181 112 62% 0.00 33 27 82% 3.1 - 8.3
E Siggi sement 450 254 56% 0.06 64 57 89% 2.1 - 5.6
F Órökrétt 78 27 35% 0.00 25 21 84% 3.8 - 4.0
G Einfalt Dæmi! 611 394 64% 0.00 136 131 96% 1.2 - 2.6
H Leynitölur 96 82 85% 0.00 31 30 97% 1.9 - 7.4
I Heimilisverk 282 175 62% 0.05 86 84 98% 1.4 - 3.3
J Fullkomin mylla 172 91 53% 0.00 77 74 96% 1.5 - 1.9
K Toggi 160 81 51% 0.00 52 43 83% 2.3 - 4.3
L Undrabarn 147 61 41% 0.00 29 27 93% 2.1 - 6.4

Delta 2017

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Öfugsnúið 250 166 66% 0.01 118 116 98% 1.3 - 1.4
B Desiigner strengir 273 203 74% 0.00 90 85 94% 1.4 - 2.4
C Dansgólf 146 86 59% 0.06 51 47 92% 1.9 - 2.8
D XORsistinn 161 95 59% 0.00 55 54 98% 1.5 - 2.3
E Ég elska hann 144 71 49% 0.00 59 52 88% 1.8 - 2.1
F Önnur tilgáta Goldbachs 132 71 54% 0.00 38 34 89% 2.2 - 3.9
G Einfalt Dæmi! 611 394 64% 0.00 136 131 96% 1.2 - 2.6
H Fullkomin mylla 172 91 53% 0.00 77 74 96% 1.5 - 1.9
I Heimilisverk 282 175 62% 0.05 86 84 98% 1.4 - 3.3
J Siggi sement 450 254 56% 0.06 64 57 89% 2.1 - 5.6
K Toggi 160 81 51% 0.00 52 43 83% 2.3 - 4.3

Beta 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Backspace 442 314 71% 0.01 118 113 96% 1.5 - 4.6
B Roomba 2 83 49 59% 0.00 26 21 81% 3.3 - 5.0
C Tölfræði 404 281 70% 0.20 64 53 83% 2.6 - 5.6
D Flygildi 129 98 76% 0.00 35 33 94% 2.1 - 5.7
E Samhverfudulritun 264 194 73% 0.00 45 43 96% 1.6 - 5.6
F Bolir 289 125 43% 0.03 29 22 76% 4.2 - 6.9
G Bitaflipp 245 87 36% 0.01 50 32 64% 4.4 - 5.6
H Dans 130 72 55% 0.00 27 24 89% 2.6 - 6.3
I Geimskip 102 78 76% 0.01 28 26 93% 2.5 - 3.9
J Röknet 89 70 79% 0.02 37 37 100% 1.7 - 2.2
K Símanúmer 334 278 83% 0.14 85 83 98% 1.3 - 5.5
L Heiltölusumma 746 573 77% 0.00 137 131 96% 1.3 - 4.9

Delta 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Frumtölur 364 223 61% 0.00 138 131 95% 1.3 - 2.0
B Liðaskipting 471 304 65% 0.00 172 171 99% 1.2 - 1.5
C Akureyri 202 136 67% 0.01 99 94 95% 1.4 - 1.8
D Backspace 442 314 71% 0.01 118 113 96% 1.5 - 4.6
E Roomba 1 339 275 81% 0.00 78 72 92% 1.6 - 3.7
F Tölfræði 404 281 70% 0.20 64 53 83% 2.6 - 5.6
G Giskaðu á svarið 763 670 88% 0.00 129 126 98% 1.2 - 3.0
H Uppröðun 107 79 74% 0.00 60 58 97% 1.5 - 2.6
I Heiltölusumma 746 573 77% 0.00 137 131 96% 1.3 - 4.9
J Léttasta verkefnið? 93 72 77% 0.00 62 60 97% 1.5 - 1.7
K Símanúmer 334 278 83% 0.14 85 83 98% 1.3 - 5.5
L Bitaflipp 245 87 36% 0.01 50 32 64% 4.4 - 5.6

Undirbúningur 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Búðarkassi 1 427 250 59% 0.00 211 202 96% 1.4
B Búðarkassi 2 427 264 62% 0.00 197 190 96% 1.3
C Textabylting 227 170 75% 0.00 115 104 90% 1.6 - 2.8
D Stigagjöf 202 119 59% 0.00 99 98 99% 1.3 - 1.4
E Sjálfsalastuð 608 487 80% 0.00 87 82 94% 1.5 - 7.5
F Fjarflutningur 350 173 49% 0.03 44 37 84% 3.0 - 9.0