ID Problem Show tags Hide tags AC / Tried Difficulty
459 HALLOW  Halloween treats 0 / 0 (None)
1012 HAMSTER1  Hamster flight 0 / 0 (None)
1274 HAMSTER2  Hamster Flight 2 0 / 0 (None)
223 HAN01  Ha-noi! 0 / 0 (None)
1742 HANDS  Clock Hands 0 / 0 (None)
80 HANGLET  Hang or not to hang 0 / 0 (None)
347 HANGOVER  Hangover 0 / 0 (None)
300 HANOI07  Building the Tower 0 / 0 (None)
555 HANOICAL  Hanoi Calls 0 / 0 (None)
2524 HAP01  Play with Binary Numbers 0 / 0 (None)
3459 HAPPINESS  Happiness 0 / 0 (None)
1928 HAPPYTL  Happy Telephones 0 / 0 (None)
1450 HARANGES  F - Interesting Ranges 0 / 0 (None)
467 HARDP  Hard Problem 0 / 0 (None)
211 HARDQ  Hard Question 0 / 0 (None)
47 HAREFOX  Hares and Foxes 0 / 0 (None)
3358 HARISH_PUZZLE  Harish and his rooks puzzle 0 / 0 (None)
1446 HAROWS  A - Crazy Rows 0 / 0 (None)
2286 HARSHAD  Devlali Numbers 0 / 0 (None)
3544 HARSTR  TWO STRINGS 0 / 0 (None)
846 HASH  Hashing 0 / 0 (None)
28 HASHIT  Hash it! 0 / 0 (None)
1447 HASTOCK  B - Stock Charts 0 / 0 (None)
1449 HATEAM  E - Football Team 0 / 0 (None)
2025 HAYBALE  Haybale stacking 0 / 0 (None)
3919 HBD  Birthday Present 0 / 0 (None)
1311 HC  Happy Coins 0 / 0 (None)
2443 HC12  Card Game 0 / 0 (None)
2447 HC12II  Security 0 / 0 (None)
2448 HC12III  Dead Pixels 0 / 0 (None)
3399 HC10000  Hofstadter–Conway 10000 dollar sequence 0 / 0 (None)
1287 HCHAINS  Islands and Hotel Chains 0 / 0 (None)
3215 HCMUS20A  Magic Schools 0 / 0 (None)
3091 HCT00001  Interesting Game with Polygons 0 / 0 (None)
3040 HDEVIL  Alia and Handsome Devil 0 / 0 (None)
3812 HEADBANG  Best Saved For The Last 0 / 0 (None)
860 HEADQRT  Farthest Headquarters 0 / 0 (None)
1371 HEADSHOT  Headshot 0 / 0 (None)
513 HEAPULM  Binary Search Heap Construction 0 / 0 (None)
1839 HEISLAZY  He is Lazy 0 / 0 (None)
247 HELP  Help the problem setter 0 / 0 (None)
713 HELPBOB  Help Bob 0 / 0 (None)
3303 HELPBTW  Help BTW 0 / 0 (None)
2785 HELPCOMM  Help Your Commander 0 / 0 (None)
2709 HELPDONN  Help Donn 0 / 0 (None)
2575 HELPER  HELPER 0 / 0 (None)
111 HELPR2D2  Help R2-D2! 0 / 0 (None)
1369 HEPNUM  Heptadecimal Numbers 0 / 0 (None)
1711 HERBICID  Herbicide 0 / 0 (None)
997 HERDING  Herding 0 / 0 (None)
616 HERE  Here-There 0 / 0 (None)
1163 HEROARR  Heroes Arrangement 0 / 0 (None)
254 HEXAGON  Hexagon 0 / 0 (None)
1385 HEXBOARD  Hexagonal Board 0 / 0 (None)
3268 HEXGRAM  Hexagram 0 / 0 (None)
776 HEXTILE  Hex Tile Equations 0 / 0 (None)
2812 HFLY  Airplane Parking 0 / 0 (None)
2878 HG  HUGE GCD 0 / 0 (None)
658 HHAND  Hospital at Hands 0 / 0 (None)
1107 HHEMANT  Help Hemant Verma 0 / 0 (None)
835 HIDTRI  Hidden Triangle 0 / 0 (None)
93 HIGH  Highways 0 / 0 (None)
3299 HIGHBABA  Highly Spiritual Baba 0 / 0 (None)
782 HIGHWAY  Cestarine 0 / 0 (None)
1055 HIGHWAY1  Highway 0 / 0 (None)
796 HIGHWAYS  Highways 0 / 0 (None)
263 HIKE  Hike on a Graph 0 / 0 (None)
2276 HILO  High and Low 0 / 0 (None)
3008 HIPPO  Hippo and Bloody Jungle 0 / 0 (None)
1452 HISIX  Hi6 0 / 0 (None)
818 HIST2  Histogram 0 / 0 (None)
524 HISTOGRA  Largest Rectangle in a Histogram 0 / 0 (None)
1154 HISTORY  History of Languages 0 / 0 (None)
257 HITOMISS  Hit or Miss 0 / 0 (None)
3419 HJB  Segmentation 0 / 0 (None)
3184 HK  Help Kejriwal 0 / 0 (None)
312 HKNAP  Huge Knap Sack 0 / 0 (None)
1503 HLPRSRCH  Help a researcher 0 / 0 (None)
2926 HLP_RAMS  Topper Rama Rao 0 / 0 (None)
3291 HMBY  Hablu Wants to Buy 0 / 0 (None)
3894 HMLIS  HowManyLis 0 / 0 (None)
27 HMRO  Help the Military Recruitment Office! 0 / 0 (None)
855 HNSUBWAY  Hanoi Subway System Construction 0 / 0 (None)
2298 HNUMBERS  HNumbers 0 / 0 (None)
1901 HOLI  Holiday Accommodation 0 / 0 (None)
169 HOLIDAY1  Getting Rid of the Holidays (Act I) 0 / 0 (None)
173 HOLIDAY2  Getting Rid of the Holidays (Act II) 0 / 0 (None)
1244 HOMEC  Homecoming 0 / 0 (None)
1397 HOMEW  Homework 0 / 0 (None)
1479 HOMO  Homo or Hetero 0 / 0 (None)
3011 HONDA  Honda and Kagawa 0 / 0 (None)
1545 HORRIBLE  Horrible Queries 0 / 0 (None)
250 HOSPITAL  Use of Hospital Facilities 0 / 0 (None)
1880 HOTELS  Hotels Along the Croatian Coast 0 / 0 (None)
13 HOTLINE  Hotline 0 / 0 (None)
3602 HOUSEBUY  House Buying Optimizations 0 / 0 (None)
1194 HOUSES2  Houses 0 / 0 (None)
3329 HPFORF  HARRY POTTER AND THE FORBIDDEN FOREST 0 / 0 (None)
2721 HPPROF  Help Professor 0 / 0 (None)
2805 HPREFIX  Yungom 0 / 0 (None)

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