Problems

 RSS feed for new problems

Alfa 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Blaðra 276 265 96% 0.00 152 152 100% 1.2 - 1.3
B Fibonacci Gjöf 173 171 99% 0.00 24 24 100% 2.0 - 8.7
C Gini Stuðull 145 140 97% 0.00 49 48 98% 1.4 - 3.8
D Hlaupafmæli 278 273 98% 0.00 84 84 100% 1.3 - 4.9
E Núll og tveir 109 105 96% 0.00 33 33 100% 1.6 - 8.4
F Raðgreining 1 202 196 97% 0.00 87 86 99% 1.3 - 2.0
G RNG Test 114 111 97% 0.00 55 55 100% 1.4 - 7.8
H Sushi 36 36 100% 0.00 10 10 100% 3.4 - 6.4
I Þjarki 39 37 95% 0.03 22 21 95% 1.8 - 8.3
J Veggja Kalli 41 40 98% 0.00 24 24 100% 1.8 - 5.6
K Bergur 75 72 96% 0.00 41 41 100% 1.4 - 3.8
L Fleytitala 343 322 94% 0.00 79 79 100% 1.2 - 6.6
M Leiðangur 136 132 97% 0.01 37 36 97% 1.5 - 4.0
N Peningar 112 109 97% 0.00 44 44 100% 1.5 - 3.8
O Pýramídasala 7 6 86% 0.03 5 4 80% 4.7 - 6.1
P Raðgreining 2 15 15 100% 0.00 7 7 100% 3.2 - 7.1
Q Rust 21 18 86% 0.00 11 10 91% 2.7 - 6.7
R Skattaskrattar 19 19 100% 0.00 7 7 100% 4.5 - 6.4
S Snjóteppa 56 53 95% 0.07 25 24 96% 1.9 - 5.1
T Veður 15 15 100% 0.12 6 6 100% 4.2 - 5.5

Beta 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Besta gjöfin 267 254 95% 0.00 138 138 100% 1.2 - 1.4
B Bið, endalaus bið 267 256 96% 0.00 108 108 100% 1.2 - 2.0
C Blaðra 276 265 96% 0.00 152 152 100% 1.2 - 1.3
D Gini Stuðull 145 140 97% 0.00 49 48 98% 1.4 - 3.8
E Hlaupafmæli 278 273 98% 0.00 84 84 100% 1.3 - 4.9
F Miði 323 309 96% 0.00 114 114 100% 1.2 - 2.0
G Raðgreining 1 202 196 97% 0.00 87 86 99% 1.3 - 2.0
H RNG Test 114 111 97% 0.00 55 55 100% 1.4 - 7.8
I Þjarki 39 37 95% 0.03 22 21 95% 1.8 - 8.3
J Veggja Kalli 41 40 98% 0.00 24 24 100% 1.8 - 5.6
K Bergur 75 72 96% 0.00 41 41 100% 1.4 - 3.8
L Fleytitala 343 322 94% 0.00 79 79 100% 1.2 - 6.6
M Kínahvísl 117 116 99% 0.01 74 74 100% 1.3 - 1.6
N Lægð yfir landinu 94 94 100% 0.00 44 44 100% 1.5 - 2.9
O Leiðangur 136 132 97% 0.01 37 36 97% 1.5 - 4.0
P Peningar 112 109 97% 0.00 44 44 100% 1.5 - 3.8
Q Pýramídasala 7 6 86% 0.03 5 4 80% 4.7 - 6.1
R Rust 21 18 86% 0.00 11 10 91% 2.7 - 6.7
S Snjóteppa 56 53 95% 0.07 25 24 96% 1.9 - 5.1
T Tok Tik 145 139 96% 0.00 69 69 100% 1.3 - 1.9

Delta 2020

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Til hamingju 218 193 89% 0.00 150 149 99% 1.2
B Hipp Hipp 191 181 95% 0.00 144 144 100% 1.2
C Hipp Hipp Húrra 309 294 95% 0.00 130 130 100% 1.2 - 1.5
D Besta gjöfin 267 254 95% 0.00 138 138 100% 1.2 - 1.4
E Blaðra 276 265 96% 0.00 152 152 100% 1.2 - 1.3
F Miði 323 309 96% 0.00 114 114 100% 1.2 - 2.0
G Bið, endalaus bið 267 256 96% 0.00 108 108 100% 1.2 - 2.0
H Raðgreining 1 202 196 97% 0.00 87 86 99% 1.3 - 2.0
I Hlaupafmæli 278 273 98% 0.00 84 84 100% 1.3 - 4.9
J Veggja Kalli 41 40 98% 0.00 24 24 100% 1.8 - 5.6
K RNG Test 114 111 97% 0.00 55 55 100% 1.4 - 7.8
L Stórafmæli 128 123 96% 0.00 88 88 100% 1.3 - 1.5
M Takk fyrir mig 93 90 97% 0.00 76 76 100% 1.3 - 1.4
N Fyrirtækjanafn 276 268 97% 0.00 77 77 100% 1.3 - 2.5
O Kínahvísl 117 116 99% 0.01 74 74 100% 1.3 - 1.6
P Fleytitala 343 322 94% 0.00 79 79 100% 1.2 - 6.6
Q Tok Tik 145 139 96% 0.00 69 69 100% 1.3 - 1.9
R Lægð yfir landinu 94 94 100% 0.00 44 44 100% 1.5 - 2.9
S Bergur 75 72 96% 0.00 41 41 100% 1.4 - 3.8
T Peningar 112 109 97% 0.00 44 44 100% 1.5 - 3.8
U Leiðangur 136 132 97% 0.01 37 36 97% 1.5 - 4.0
V Snjóteppa 56 53 95% 0.07 25 24 96% 1.9 - 5.1

Alfa 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Afjörmun 380 354 93% 0.00 160 160 100% 1.2 - 1.8
B Blaðra 358 349 97% 0.00 126 126 100% 1.2 - 2.2
C Elo 101 98 97% 0.00 33 33 100% 1.4 - 5.3
D Gagnaleki 110 88 80% 0.00 25 25 100% 1.8 - 6.2
E Hljóðstilling 152 142 93% 0.00 30 29 97% 1.6 - 8.0
F Línuhlýnun 164 160 98% 0.03 42 42 100% 1.4 - 6.3
G Veggspjöld 61 59 97% 0.06 17 17 100% 1.9 - 9.3
H Voff 177 171 97% 0.00 35 35 100% 1.4 - 6.2
I Barcelona 219 216 99% 0.01 138 138 100% 1.2 - 1.4
J Bridges 64 63 98% 0.00 25 25 100% 1.4 - 2.5
K Háhýsi 139 131 94% 0.00 34 34 100% 1.6 - 4.7
L Einvígi 136 133 98% 0.01 22 22 100% 1.7 - 4.7
M Mætingarlisti 146 142 97% 0.01 93 93 100% 1.2 - 1.9
N Skrift 47 46 98% 0.00 19 19 100% 2.1 - 7.8
O Stalínröðun 137 131 96% 0.02 36 35 97% 1.4 - 7.2
P Svifdrekamaður 82 80 98% 0.00 20 20 100% 2.0 - 7.9

Beta 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Afjörmun 380 354 93% 0.00 160 160 100% 1.2 - 1.8
B Blaðra 358 349 97% 0.00 126 126 100% 1.2 - 2.2
C Gagnaleki 110 88 80% 0.00 25 25 100% 1.8 - 6.2
D Homework 259 254 98% 0.00 152 152 100% 1.1 - 1.4
E Línuhlýnun 164 160 98% 0.03 42 42 100% 1.4 - 6.3
F Elo 101 98 97% 0.00 33 33 100% 1.4 - 5.3
G Skák 219 201 92% 0.00 124 124 100% 1.2 - 1.4
H Voff 177 171 97% 0.00 35 35 100% 1.4 - 6.2
I Barcelona 219 216 99% 0.01 138 138 100% 1.2 - 1.4
J Bridges 64 63 98% 0.00 25 25 100% 1.4 - 2.5
K Einvígi 136 133 98% 0.01 22 22 100% 1.7 - 4.7
L Háhýsi 139 131 94% 0.00 34 34 100% 1.6 - 4.7
M Klósettröð 334 328 98% 0.00 99 99 100% 1.2 - 2.3
N Mætingarlisti 146 142 97% 0.01 93 93 100% 1.2 - 1.9
O Stafsetning 170 169 99% 0.00 47 47 100% 1.3 - 3.4
P Stalínröðun 137 131 96% 0.02 36 35 97% 1.4 - 7.2

Delta 2019

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A BergMál 274 252 92% 0.00 175 175 100% 1.2
B Hitastig 264 255 97% 0.00 114 114 100% 1.2 - 1.6
C Skák 219 201 92% 0.00 124 124 100% 1.2 - 1.4
D Hakkari 183 173 95% 0.00 91 91 100% 1.3 - 1.5
E Afjörmun 380 354 93% 0.00 160 160 100% 1.2 - 1.8
F Blaðra 358 349 97% 0.00 126 126 100% 1.2 - 2.2
G Homework 259 254 98% 0.00 152 152 100% 1.1 - 1.4
H Línuhlýnun 164 160 98% 0.03 42 42 100% 1.4 - 6.3
I Dagatal 254 246 97% 0.00 133 133 100% 1.2 - 1.3
J Barcelona 219 216 99% 0.01 138 138 100% 1.2 - 1.4
K Skyttur 141 139 99% 0.00 85 85 100% 1.3 - 1.5
L Minesweeper 192 191 99% 0.00 83 83 100% 1.3 - 2.0
M Mætingarlisti 146 142 97% 0.01 93 93 100% 1.2 - 1.9
N Klósettröð 334 328 98% 0.00 99 99 100% 1.2 - 2.3
O Stafsetning 170 169 99% 0.00 47 47 100% 1.3 - 3.4
P Háhýsi 139 131 94% 0.00 34 34 100% 1.6 - 4.7

Beta 2018

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Eldspýtur 382 169 44% 0.00 127 111 87% 1.8 - 2.5
B Hornrétt 585 298 51% 0.00 145 133 92% 1.6 - 2.8
C Gatnamót 119 111 93% 0.00 36 36 100% 1.5 - 3.8
D Nafnatalning 82 47 57% 0.05 28 22 79% 3.4 - 4.4
E Landsreisa 112 71 63% 0.00 22 19 86% 2.9 - 8.5
F Keystrokes 283 279 99% 0.02 117 117 100% 1.2 - 6.0
G Star Wars röðun 308 172 56% 0.07 122 113 93% 1.7 - 1.8
H Röðun 89 83 93% 0.00 27 26 96% 1.7 - 6.2
I Eilíf æska 94 51 54% 0.00 22 20 91% 2.5 - 6.3
J Takkar 291 181 62% 0.00 177 173 98% 1.2
K Pönnukökur 285 137 48% 0.00 43 31 72% 2.9 - 5.4
L Formúlublað 52 51 98% 0.00 19 18 95% 1.9 - 6.9
M Skilaboð 314 175 56% 0.06 75 68 91% 1.8 - 3.4
N Vinir 209 74 35% 0.02 32 24 75% 3.0 - 4.5

Delta 2018

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Heysáta 220 149 68% 0.00 144 138 96% 1.4
B Telja 256 198 77% 0.01 180 175 97% 1.2 - 1.3
C Mörk 340 101 30% 0.00 110 90 82% 2.4
D Hornrétt 585 298 51% 0.00 145 133 92% 1.6 - 2.8
E Star Wars röðun 308 172 56% 0.07 122 113 93% 1.7 - 1.8
F Eldspýtur 382 169 44% 0.00 127 111 87% 1.8 - 2.5
G Keystrokes 283 279 99% 0.02 117 117 100% 1.2 - 6.0
H Landsreisa 112 71 63% 0.00 22 19 86% 2.9 - 8.5
I Takkar 291 181 62% 0.00 177 173 98% 1.2
J Aldur 184 137 74% 0.00 131 126 96% 1.3
K Einkunnir 313 79 25% 0.00 83 66 80% 2.8
L Skilaboð 314 175 56% 0.06 75 68 91% 1.8 - 3.4
M Pönnukökur 285 137 48% 0.00 43 31 72% 2.9 - 5.4
N Undratré 77 28 36% 0.00 15 11 73% 4.1 - 6.9

Beta 2017

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Ég elska hann 181 103 57% 0.00 64 50 78% 2.3 - 5.2
B XORsistinn 2 107 70 65% 0.00 41 37 90% 2.2 - 4.3
C Veggurinn, seinni hluti 155 73 47% 0.04 32 26 81% 3.1 - 6.3
D Önnur tilgáta Goldbachs 197 127 64% 0.00 35 29 83% 3.0 - 7.5
E Siggi sement 459 261 57% 0.04 66 58 88% 2.2 - 5.9
F Órökrétt 79 28 35% 0.00 26 22 85% 3.8 - 4.0
G Einfalt Dæmi! 673 445 66% 0.00 152 147 97% 1.2 - 2.6
H Leynitölur 114 98 86% 0.00 34 33 97% 1.9 - 6.3
I Heimilisverk 380 253 67% 0.01 113 111 98% 1.4 - 2.8
J Fullkomin mylla 188 104 55% 0.00 88 85 97% 1.4 - 1.7
K Toggi 167 85 51% 0.00 55 45 82% 2.4 - 4.5
L Undrabarn 148 62 42% 0.00 30 28 93% 2.1 - 6.3

Delta 2017

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Reverse 350 238 68% 0.01 166 163 98% 1.2 - 1.5
B Desiigner strengir 331 250 76% 0.00 104 99 95% 1.4 - 2.3
C Dansgólf 152 91 60% 0.06 55 51 93% 1.8 - 2.6
D XORsistinn 174 106 61% 0.00 62 59 95% 1.7 - 3.4
E Ég elska hann 162 80 49% 0.00 68 58 85% 2.0 - 2.8
F Önnur tilgáta Goldbachs 134 73 54% 0.00 40 36 90% 2.2 - 3.9
G Einfalt Dæmi! 673 445 66% 0.00 152 147 97% 1.2 - 2.6
H Fullkomin mylla 188 104 55% 0.00 88 85 97% 1.4 - 1.7
I Heimilisverk 380 253 67% 0.01 113 111 98% 1.4 - 2.8
J Siggi sement 459 261 57% 0.04 66 58 88% 2.2 - 5.9
K Toggi 167 85 51% 0.00 55 45 82% 2.4 - 4.5

Beta 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Backspace 510 367 72% 0.01 136 130 96% 1.5 - 3.9
B Roomba 2 88 52 59% 0.00 29 23 79% 3.5 - 5.1
C Tölfræði 441 311 71% 0.20 70 59 84% 2.4 - 6.5
D Flygildi 137 106 77% 0.00 37 35 95% 2.0 - 5.2
E Samhverfudulritun 305 222 73% 0.00 50 47 94% 1.6 - 5.8
F Bolir 295 127 43% 0.03 32 24 75% 4.4 - 7.3
G Bitaflipp 257 92 36% 0.01 53 35 66% 4.1 - 5.8
H Dans 133 74 56% 0.00 29 26 90% 2.6 - 6.5
I Geimskip 116 83 72% 0.01 31 29 94% 2.4 - 3.6
J Röknet 100 81 81% 0.02 47 47 100% 1.6 - 2.3
K Símanúmer 470 366 78% 0.05 103 99 96% 1.3 - 5.7
L Heiltölusumma 841 655 78% 0.00 150 144 96% 1.3 - 5.1

Delta 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Frumtölur 509 330 65% 0.00 192 185 96% 1.3 - 2.0
B Liðaskipting 637 393 62% 0.00 236 233 99% 1.2 - 1.5
C Akureyri 340 216 64% 0.01 149 144 97% 1.4 - 1.6
D Backspace 510 367 72% 0.01 136 130 96% 1.5 - 3.9
E Roomba 1 393 318 81% 0.00 90 83 92% 1.6 - 5.3
F Tölfræði 441 311 71% 0.20 70 59 84% 2.4 - 6.5
G Giskaðu á svarið 976 858 88% 0.00 169 163 96% 1.2 - 2.7
H Arrangement 226 169 75% 0.00 120 114 95% 1.2 - 1.6
I Heiltölusumma 841 655 78% 0.00 150 144 96% 1.3 - 5.1
J Léttasta verkefnið? 181 129 71% 0.00 101 99 98% 1.4 - 1.6
K Símanúmer 470 366 78% 0.05 103 99 96% 1.3 - 5.7
L Bitaflipp 257 92 36% 0.01 53 35 66% 4.1 - 5.8

Undirbúningur 2016

Submissions Users
# Name Total Acc. Ratio Fastest Total Acc. Ratio Difficulty
A Búðarkassi 1 484 295 61% 0.00 248 238 96% 1.3
B Búðarkassi 2 489 308 63% 0.00 234 225 96% 1.3
C Textabylting 250 187 75% 0.00 128 116 91% 1.6 - 2.7
D Stigagjöf 223 134 60% 0.00 111 111 100% 1.3 - 1.4
E Sjálfsalastuð 661 538 81% 0.00 96 91 95% 1.5 - 7.9
F Fjarflutningur 377 184 49% 0.03 49 40 82% 3.4 - 8.9