ID Problem Show tags Hide tags AC / Tried Difficulty
3060 APIO14_A  Palindromes 0 / 0 (None)
3859 APM  Abul and Prime Numbers 0 / 0 (None)
2999 APPROB  GETTING AN AP 0 / 0 (None)
256 APRIME  Anti-prime Sequences 0 / 0 (None)
2461 APS  Amazing Prime Sequence 0 / 0 (None)
3001 APS2  Amazing Prime Sequence (hard) 0 / 0 (None)
3440 AR2015PC  Terrorists 0 / 0 (None)
3439 AR2015PE  Queue of Soldiers 0 / 0 (None)
3441 AR2015PF  Jumping Joey 0 / 0 (None)
3442 AR2015PH  Automatic Scholarship Calculation 0 / 0 (None)
1780 ARBITRAG  Arbitrage 0 / 0 (None)
1471 ARCHI  Architecture 0 / 0 (None)
332 ARCHPLG  The Archipelago 0 / 0 (None)
407 ARCTAN  Use of Function Arctan 0 / 0 (None)
1264 ARDA1  The hunt for Gollum 0 / 0 (None)
1050 AREA1  Circle vs Triangle 0 / 0 (None)
6 ARITH  Simple Arithmetics 0 / 0 (None)
1061 ARITH2  Simple Arithmetics II 0 / 0 (None)
1103 ARITHSEQ  Arithmetic sequence 0 / 0 (None)
692 ARMY  Army Strength 0 / 0 (None)
280 AROAD  Another Road Problem 0 / 0 (None)
3531 AROPE  Alphabetic Rope 0 / 0 (None)
3532 AROPE2  Alphabetic Rope2 0 / 0 (None)
3533 AROPE3  Alphabetic Rope3 0 / 0 (None)
221 AROUND  Around the world 0 / 0 (None)
650 ARRANGE  Arranging Amplifiers 0 / 0 (None)
1347 ARRANGE2  Rearranging Digits 0 / 0 (None)
2053 ARRAYSUB  subarrays 0 / 0 (None)
3012 ARRHUDAI  Array with Hudai Calculation 0 / 0 (None)
3540 ARRPRM  Prime is fun 0 / 0 (None)
3774 ARRTWIST  TWISTED ARRAY 0 / 0 (None)
2146 ARTHEVAL  Arithmetic Evaluation 0 / 0 (None)
2711 ASCDFIB  Ascending Fibonacci Numbers 0 / 0 (None)
139 ASCIRC  Assembler circuits 0 / 0 (None)
3780 ASHMHF  Meet Her Fast! 0 / 0 (None)
1331 ASISTENT  Asistent 0 / 0 (None)
1937 ASSEMBLY  Assembly Line 0 / 0 (None)
3940 ASSIEVE  A Simple Sieve 0 / 0 (None)
282 ASSIGN  Assignments 0 / 0 (None)
302 ASSIGN4  Another Assignment Problem 0 / 0 (None)
1318 ASSIGN5  Yet Another Assignment Problem 0 / 0 (None)
517 ASSIST  Assistance Required 0 / 0 (None)
3918 ASUMEXTR  A Summatory (Extreme) 0 / 0 (None)
2208 ASUMHARD  A Summatory (HARD) 0 / 0 (None)
3772 ATMCMXNG  Richie Rich and Keen Bean 0 / 0 (None)
140 ATMS  Automatic Teller Machines 0 / 0 (None)
2862 ATOMS  Atoms in the Lab 0 / 0 (None)
861 ATOURISM  Adventure Tourism 0 / 0 (None)
2550 AU7_5  STUDENTS 0 / 0 (None)
2698 AUT  Vending Machine 0 / 0 (None)
2521 AUTOMATA  GAME2 0 / 0 (None)
1705 AVARY  Avaricious Maryanna 0 / 0 (None)
2799 AVCHESS  Chess Board of Avengers 0 / 0 (None)
1639 AVDM  Adventure in Moving 0 / 0 (None)
3775 AVLVKT  Lovely Kitty 0 / 0 (None)
3181 AVMG1  Another Valentine Maze Game (1D) 0 / 0 (None)
3182 AVMG2  Another Valentine Maze Game (2D) 0 / 0 (None)
1350 AVOIDSOS  Avoiding SOS Grids 0 / 0 (None)
1378 AXIS  Axis of Symmetry 0 / 0 (None)
2459 A_W_S_N  Happy Valentine Day (Valentine Maze Game) 0 / 0 (None)
1674 BAABO  The Bovine Accordion and Banjo Orchestra 0 / 0 (None)
90 BABTWR  Tower of Babylon 0 / 0 (None)
828 BABY  Baby 0 / 0 (None)
68 BAC  Bacterial 0 / 0 (None)
570 BACKPACK  Dab of Backpack 0 / 0 (None)
1363 BACKTPOL  Back To The Polygon 0 / 0 (None)
449 BACKUP  Backup Files 0 / 0 (None)
3156 BAD  Badminton Tournament - Easy 0 / 0 (None)
2835 BADXOR  Bad XOR 0 / 0 (None)
608 BAISED  Biased Standings 0 / 0 (None)
3469 BALANCE1PARA  Balance the parentheses 0 / 0 (None)
568 BALIFE  Load Balancing 0 / 0 (None)
1614 BALL  The Ball 0 / 0 (None)
61 BALL1  Ball 0 / 0 (None)
620 BALLIGHT  Ballroom Lights 0 / 0 (None)
2242 BALLLSTA  Ball Stack 0 / 0 (None)
632 BALLOON  Balloons in a Box 0 / 0 (None)
1946 BALLOT  Distributing Ballot Boxes 0 / 0 (None)
2052 BALLSAG  Ball Stacking Again 0 / 0 (None)
3316 BALLSUM  Ball sum 0 / 0 (None)
2062 BALNUM  Balanced Numbers 0 / 0 (None)
1082 BANDMATR  Determinant of Banded Matrices 0 / 0 (None)
1834 BANDW  Black and White 0 / 0 (None)
2806 BANKROB  Bank robbery 0 / 0 (None)
2124 BANNER  Large banner 0 / 0 (None)
3907 BANSTAND  Colored Development 0 / 0 (None)
3841 BAPPP  Power Play 0 / 0 (None)
424 BARB  Barbarians 0 / 0 (None)
1640 BARN  Barn Allocation 0 / 0 (None)
340 BASE  Basically Speaking 0 / 0 (None)
2944 BASECONV  Base Conversion 0 / 0 (None)
2450 BAT1  BATMAN1 0 / 0 (None)
2451 BAT2  BATMAN2 0 / 0 (None)
2452 BAT3  BATMAN3 0 / 0 (None)
2453 BAT4  BATMAN4 0 / 0 (None)
3934 BATTLECRY  Battle Of The Bastards - Kings Vs Rooks 0 / 0 (None)
3914 BBAD  Breaking Math 0 / 0 (None)
2497 BBM  Billion ByteMan March 0 / 0 (None)
1895 BC  Break the Chocolate 0 / 0 (None)
1955 BCAKE  Birthday Cake 0 / 0 (None)

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