Problems

 RSS feed for new problems

Alfa 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Blaðra 177 167 94% 0.00 102 102 100% 1.2 - 1.3
B Fibonacci Gjöf 158 156 99% 0.00 19 19 100% 2.2 - 8.4
C Gini Stuðull 72 69 96% 0.00 29 28 97% 1.6 - 5.4
D Hlaupafmæli 196 192 98% 0.00 63 63 100% 1.3 - 5.5
E Núll og tveir 68 65 96% 0.00 22 22 100% 1.9 - 6.8
F Raðgreining 1 129 124 96% 0.00 54 53 98% 1.4 - 1.8
G RNG Test 87 85 98% 0.00 39 39 100% 1.5 - 7.4
H Sushi 18 18 100% 0.00 5 5 100% 4.1 - 7.0
I Þjarki 23 21 91% 0.19 14 13 93% 2.2 - 6.8
J Veggja Kalli 32 31 97% 0.00 21 21 100% 1.9 - 5.7
K Bergur 66 63 95% 0.00 35 35 100% 1.5 - 3.6
L Fleytitala 288 270 94% 0.00 56 56 100% 1.3 - 5.9
M Leiðangur 61 60 98% 0.02 24 23 96% 1.7 - 5.3
N Peningar 96 93 97% 0.00 37 37 100% 1.5 - 4.4
O Pýramídasala 3 2 67% 0.03 3 2 67% 4.9 - 5.6
P Raðgreining 2 13 13 100% 0.00 6 6 100% 3.2 - 7.2
Q Rust 9 8 89% 0.00 6 5 83% 3.6 - 5.6
R Skattaskrattar 18 18 100% 0.00 6 6 100% 4.5 - 6.4
S Snjóteppa 37 36 97% 0.08 17 16 94% 2.3 - 5.0
T Veður 7 7 100% 0.12 3 3 100% 4.8 - 5.5

Beta 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Besta gjöfin 159 151 95% 0.00 87 87 100% 1.2 - 1.6
B Bið, endalaus bið 152 149 98% 0.00 64 64 100% 1.3 - 2.0
C Blaðra 177 167 94% 0.00 102 102 100% 1.2 - 1.3
D Gini Stuðull 72 69 96% 0.00 29 28 97% 1.6 - 5.4
E Hlaupafmæli 196 192 98% 0.00 63 63 100% 1.3 - 5.5
F Miði 220 207 94% 0.00 69 69 100% 1.3 - 3.0
G Raðgreining 1 129 124 96% 0.00 54 53 98% 1.4 - 1.8
H RNG Test 87 85 98% 0.00 39 39 100% 1.5 - 7.4
I Þjarki 23 21 91% 0.19 14 13 93% 2.2 - 6.8
J Veggja Kalli 32 31 97% 0.00 21 21 100% 1.9 - 5.7
K Bergur 66 63 95% 0.00 35 35 100% 1.5 - 3.6
L Fleytitala 288 270 94% 0.00 56 56 100% 1.3 - 5.9
M Kínahvísl 76 75 99% 0.01 47 47 100% 1.4 - 1.7
N Lægð yfir landinu 68 68 100% 0.00 31 31 100% 1.7 - 3.3
O Leiðangur 61 60 98% 0.02 24 23 96% 1.7 - 5.3
P Peningar 96 93 97% 0.00 37 37 100% 1.5 - 4.4
Q Pýramídasala 3 2 67% 0.03 3 2 67% 4.9 - 5.6
R Rust 9 8 89% 0.00 6 5 83% 3.6 - 5.6
S Snjóteppa 37 36 97% 0.08 17 16 94% 2.3 - 5.0
T Tok Tik 95 91 96% 0.00 46 46 100% 1.4 - 2.1

Delta 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Til hamingju 137 122 89% 0.00 92 92 100% 1.2
B Hipp Hipp 119 111 93% 0.00 85 85 100% 1.3
C Hipp Hipp Húrra 180 172 96% 0.00 78 78 100% 1.3 - 1.6
D Besta gjöfin 159 151 95% 0.00 87 87 100% 1.2 - 1.6
E Blaðra 177 167 94% 0.00 102 102 100% 1.2 - 1.3
F Miði 220 207 94% 0.00 69 69 100% 1.3 - 3.0
G Bið, endalaus bið 152 149 98% 0.00 64 64 100% 1.3 - 2.0
H Raðgreining 1 129 124 96% 0.00 54 53 98% 1.4 - 1.8
I Hlaupafmæli 196 192 98% 0.00 63 63 100% 1.3 - 5.5
J Veggja Kalli 32 31 97% 0.00 21 21 100% 1.9 - 5.7
K RNG Test 87 85 98% 0.00 39 39 100% 1.5 - 7.4
L Stórafmæli 94 89 95% 0.00 64 64 100% 1.3 - 1.6
M Takk fyrir mig 57 55 96% 0.00 48 48 100% 1.4
N Fyrirtækjanafn 181 173 96% 0.00 50 50 100% 1.4 - 2.2
O Kínahvísl 76 75 99% 0.01 47 47 100% 1.4 - 1.7
P Fleytitala 288 270 94% 0.00 56 56 100% 1.3 - 5.9
Q Tok Tik 95 91 96% 0.00 46 46 100% 1.4 - 2.1
R Lægð yfir landinu 68 68 100% 0.00 31 31 100% 1.7 - 3.3
S Bergur 66 63 95% 0.00 35 35 100% 1.5 - 3.6
T Peningar 96 93 97% 0.00 37 37 100% 1.5 - 4.4
U Leiðangur 61 60 98% 0.02 24 23 96% 1.7 - 5.3
V Snjóteppa 37 36 97% 0.08 17 16 94% 2.3 - 5.0

Alfa 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Afjörmun 296 272 92% 0.00 127 127 100% 1.2 - 1.8
B Blaðra 264 258 98% 0.00 87 87 100% 1.2 - 3.1
C Elo 100 96 96% 0.00 32 32 100% 1.4 - 5.0
D Gagnaleki 104 86 83% 0.00 23 23 100% 1.8 - 6.6
E Hljóðstilling 142 132 93% 0.00 27 26 96% 1.7 - 7.5
F Línuhlýnun 138 134 97% 0.02 35 35 100% 1.4 - 7.3
G Veggspjöld 44 43 98% 0.04 14 14 100% 2.2 - 8.3
H Voff 137 131 96% 0.00 29 29 100% 1.5 - 5.9
I Barcelona 152 150 99% 0.01 98 98 100% 1.2 - 1.4
J Bridges 44 43 98% 0.00 19 19 100% 1.4 - 2.6
K Háhýsi 118 111 94% 0.00 30 30 100% 1.6 - 4.3
L Einvígi 78 75 96% 0.01 15 15 100% 1.9 - 4.4
M Mætingarlisti 115 112 97% 0.01 77 77 100% 1.2 - 2.0
N Skrift 43 42 98% 0.00 17 17 100% 2.2 - 7.7
O Stalínröðun 133 127 95% 0.02 34 33 97% 1.5 - 7.3
P Svifdrekamaður 65 64 98% 0.00 18 18 100% 2.1 - 6.2

Beta 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Afjörmun 296 272 92% 0.00 127 127 100% 1.2 - 1.8
B Blaðra 264 258 98% 0.00 87 87 100% 1.2 - 3.1
C Gagnaleki 104 86 83% 0.00 23 23 100% 1.8 - 6.6
D Homework 140 138 99% 0.00 90 90 100% 1.1 - 1.4
E Línuhlýnun 138 134 97% 0.02 35 35 100% 1.4 - 7.3
F Elo 100 96 96% 0.00 32 32 100% 1.4 - 5.0
G Skák 173 155 90% 0.00 96 96 100% 1.2 - 1.4
H Voff 137 131 96% 0.00 29 29 100% 1.5 - 5.9
I Barcelona 152 150 99% 0.01 98 98 100% 1.2 - 1.4
J Bridges 44 43 98% 0.00 19 19 100% 1.4 - 2.6
K Einvígi 78 75 96% 0.01 15 15 100% 1.9 - 4.4
L Háhýsi 118 111 94% 0.00 30 30 100% 1.6 - 4.3
M Klósettröð 304 299 98% 0.00 88 88 100% 1.2 - 2.3
N Mætingarlisti 115 112 97% 0.01 77 77 100% 1.2 - 2.0
O Stafsetning 164 163 99% 0.00 42 42 100% 1.4 - 3.2
P Stalínröðun 133 127 95% 0.02 34 33 97% 1.5 - 7.3

Delta 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A BergMál 213 194 91% 0.00 130 130 100% 1.2
B Hitastig 206 197 96% 0.00 89 89 100% 1.3 - 1.7
C Skák 173 155 90% 0.00 96 96 100% 1.2 - 1.4
D Hakkari 142 133 94% 0.00 71 71 100% 1.3 - 1.6
E Afjörmun 296 272 92% 0.00 127 127 100% 1.2 - 1.8
F Blaðra 264 258 98% 0.00 87 87 100% 1.2 - 3.1
G Homework 140 138 99% 0.00 90 90 100% 1.1 - 1.4
H Línuhlýnun 138 134 97% 0.02 35 35 100% 1.4 - 7.3
I Dagatal 186 182 98% 0.00 94 94 100% 1.3 - 1.4
J Barcelona 152 150 99% 0.01 98 98 100% 1.2 - 1.4
K Skyttur 110 109 99% 0.00 67 67 100% 1.3 - 1.5
L Minesweeper 140 139 99% 0.00 58 58 100% 1.4 - 2.1
M Mætingarlisti 115 112 97% 0.01 77 77 100% 1.2 - 2.0
N Klósettröð 304 299 98% 0.00 88 88 100% 1.2 - 2.3
O Stafsetning 164 163 99% 0.00 42 42 100% 1.4 - 3.2
P Háhýsi 118 111 94% 0.00 30 30 100% 1.6 - 4.3

Beta 2018

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Eldspýtur 307 128 42% 0.00 95 81 85% 1.9 - 3.1
B Hornrétt 481 232 48% 0.00 114 102 89% 1.7 - 3.6
C Gatnamót 118 78 66% 0.00 35 30 86% 2.3 - 3.8
D Nafnatalning 79 44 56% 0.05 27 21 78% 3.4 - 4.5
E Landsreisa 108 67 62% 0.00 20 17 85% 3.1 - 8.8
F Keystrokes 201 153 76% 0.01 83 79 95% 1.5 - 2.5
G Star Wars röðun 243 136 56% 0.07 92 83 90% 1.9 - 2.1
H Röðun 82 43 52% 0.05 23 15 65% 3.8 - 4.4
I Eilíf æska 92 49 53% 0.00 21 19 90% 2.5 - 6.3
J Takkar 223 138 62% 0.00 135 133 99% 1.3
K Pönnukökur 271 125 46% 0.00 38 26 68% 3.5 - 7.6
L Formúlublað 49 26 53% 0.00 18 16 89% 2.7 - 6.5
M Skilaboð 251 136 54% 0.06 49 43 88% 2.3 - 4.6
N Vinir 189 66 35% 0.02 27 20 74% 3.4 - 4.3

Delta 2018

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Heysáta 169 114 67% 0.00 114 109 96% 1.4
B Telja 203 155 76% 0.01 143 139 97% 1.3
C Mörk 217 69 32% 0.00 79 62 78% 3.3
D Hornrétt 481 232 48% 0.00 114 102 89% 1.7 - 3.6
E Star Wars röðun 243 136 56% 0.07 92 83 90% 1.9 - 2.1
F Eldspýtur 307 128 42% 0.00 95 81 85% 1.9 - 3.1
G Keystrokes 201 153 76% 0.01 83 79 95% 1.5 - 2.5
H Landsreisa 108 67 62% 0.00 20 17 85% 3.1 - 8.8
I Takkar 223 138 62% 0.00 135 133 99% 1.3
J Aldur 152 106 70% 0.00 103 98 95% 1.4
K Einkunnir 194 56 29% 0.00 56 44 79% 3.0
L Skilaboð 251 136 54% 0.06 49 43 88% 2.3 - 4.6
M Pönnukökur 271 125 46% 0.00 38 26 68% 3.5 - 7.6
N Undratré 75 27 36% 0.00 13 10 77% 4.1 - 6.9

Beta 2017

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Ég elska hann 173 102 59% 0.00 60 49 82% 2.0 - 4.6
B XORsistinn 2 106 69 65% 0.00 40 36 90% 2.2 - 4.2
C Veggurinn, seinni hluti 153 72 47% 0.04 30 25 83% 2.8 - 5.9
D Önnur tilgáta Goldbachs 185 116 63% 0.00 34 28 82% 3.0 - 8.0
E Siggi sement 457 260 57% 0.04 64 57 89% 2.0 - 5.6
F Órökrétt 78 27 35% 0.00 25 21 84% 3.8 - 4.1
G Einfalt Dæmi! 640 419 65% 0.00 142 137 96% 1.2 - 2.5
H Leynitölur 110 94 85% 0.00 32 31 97% 1.9 - 7.6
I Heimilisverk 348 226 65% 0.01 101 99 98% 1.4 - 2.8
J Fullkomin mylla 179 96 54% 0.00 81 78 96% 1.5 - 1.8
K Toggi 164 82 50% 0.00 54 44 81% 2.4 - 4.5
L Undrabarn 147 61 41% 0.00 29 27 93% 2.1 - 6.3

Delta 2017

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Reverse 285 192 67% 0.01 136 134 99% 1.2 - 1.4
B Desiigner strengir 316 237 75% 0.00 98 93 95% 1.4 - 2.3
C Dansgólf 149 88 59% 0.06 53 49 92% 1.8 - 2.6
D XORsistinn 165 97 59% 0.00 58 55 95% 1.8 - 2.7
E Ég elska hann 147 74 50% 0.00 62 55 89% 1.8 - 2.4
F Önnur tilgáta Goldbachs 133 72 54% 0.00 39 35 90% 2.2 - 3.9
G Einfalt Dæmi! 640 419 65% 0.00 142 137 96% 1.2 - 2.5
H Fullkomin mylla 179 96 54% 0.00 81 78 96% 1.5 - 1.8
I Heimilisverk 348 226 65% 0.01 101 99 98% 1.4 - 2.8
J Siggi sement 457 260 57% 0.04 64 57 89% 2.0 - 5.6
K Toggi 164 82 50% 0.00 54 44 81% 2.4 - 4.5

Beta 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Backspace 464 331 71% 0.01 126 121 96% 1.5 - 3.7
B Roomba 2 87 51 59% 0.00 28 22 79% 3.5 - 5.1
C Tölfræði 435 305 70% 0.20 68 57 84% 2.4 - 6.3
D Flygildi 136 105 77% 0.00 36 34 94% 2.0 - 5.2
E Samhverfudulritun 299 216 72% 0.00 48 45 94% 1.6 - 5.5
F Bolir 293 125 43% 0.03 30 22 73% 4.6 - 7.1
G Bitaflipp 253 89 35% 0.01 51 33 65% 4.2 - 6.0
H Dans 131 73 56% 0.00 28 25 89% 2.5 - 6.5
I Geimskip 115 82 71% 0.01 30 28 93% 2.4 - 3.6
J Röknet 95 76 80% 0.02 42 42 100% 1.6 - 2.0
K Símanúmer 445 345 78% 0.05 97 93 96% 1.4 - 5.7
L Heiltölusumma 785 606 77% 0.00 142 136 96% 1.3 - 5.1

Delta 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Frumtölur 393 247 63% 0.00 145 138 95% 1.3 - 2.0
B Liðaskipting 492 322 65% 0.00 180 178 99% 1.2 - 1.5
C Akureyri 216 148 69% 0.01 105 101 96% 1.4 - 1.7
D Backspace 464 331 71% 0.01 126 121 96% 1.5 - 3.7
E Roomba 1 360 293 81% 0.00 82 76 93% 1.6 - 4.2
F Tölfræði 435 305 70% 0.20 68 57 84% 2.4 - 6.3
G Giskaðu á svarið 818 723 88% 0.00 139 135 97% 1.2 - 3.0
H Arrangement 130 100 77% 0.00 76 74 97% 1.3 - 1.9
I Heiltölusumma 785 606 77% 0.00 142 136 96% 1.3 - 5.1
J Léttasta verkefnið? 112 88 79% 0.00 71 69 97% 1.5 - 1.9
K Símanúmer 445 345 78% 0.05 97 93 96% 1.4 - 5.7
L Bitaflipp 253 89 35% 0.01 51 33 65% 4.2 - 6.0

Undirbúningur 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Búðarkassi 1 447 264 59% 0.00 223 214 96% 1.3
B Búðarkassi 2 452 281 62% 0.00 211 204 97% 1.3
C Textabylting 235 177 75% 0.00 121 109 90% 1.6 - 2.8
D Stigagjöf 210 126 60% 0.00 104 104 100% 1.3 - 1.4
E Sjálfsalastuð 640 517 81% 0.00 93 88 95% 1.5 - 7.8
F Fjarflutningur 358 177 49% 0.03 46 38 83% 3.2 - 8.9