ID Problem Show tags Hide tags AC / Tried Difficulty
31 NHAY  A Needle in the Haystack 0 / 0 (None)
2426 NICEBTRE  Nice Binary Trees 0 / 0 (None)
319 NICEDAY  The day of the competitors 0 / 0 (None)
3769 NICESEQ  NICE SEQUENCES 0 / 0 (None)
3349 NINJA1  Related or not 0 / 0 (None)
3350 NINJA2  PATHETIC STRINGS 0 / 0 (None)
3351 NINJA3  STUNNING GCD 0 / 0 (None)
3352 NINJA4  HELP SHELDON 0 / 0 (None)
3353 NINJA5  K NUMBERS 0 / 0 (None)
3354 NINJA6  TRAVELLING DILEMMA 0 / 0 (None)
3355 NINJA7  TWO SEQUENCES PROBLEM 0 / 0 (None)
3356 NINJA8  George vs Kramer 0 / 0 (None)
2726 NITK06  MODIFY SEQUENCE 0 / 0 (None)
2727 NITK07  THE INDIAN OCEAN 0 / 0 (None)
2291 NITT1  My Reaction when there is no internet connection 0 / 0 (None)
2292 NITT2  hai jolly jolly jolly 0 / 0 (None)
2296 NITT4  Tiles 0 / 0 (None)
2297 NITT8  Dating Rishi 0 / 0 (None)
2480 NITTROAD  Roads of NITT 0 / 0 (None)
3659 NKDIV  N..K..Divide 0 / 0 (None)
3644 NNS  Nearest Neighbor Search 0 / 0 (None)
3294 NNUM  One of the Simpsons symbols 0 / 0 (None)
541 NOCHANGE  No Change 0 / 0 (None)
1584 NONDEC  Non-Decreasing Numbers 0 / 0 (None)
3155 NORMA2  Norma 0 / 0 (None)
1645 NOSQ  No Squares Numbers 0 / 0 (None)
728 NOTATRI  Not a Triangle 0 / 0 (None)
803 NOTOKNOT  Knot or Not 0 / 0 (None)
1636 NOVICE43  Problem 3 0 / 0 (None)
1756 NOVICE62  Match the words 0 / 0 (None)
1755 NOVICE63  Special Numbers 0 / 0 (None)
1753 NOVICE65  Derangements HARD 0 / 0 (None)
3092 NPC2014A  I Ken Bit Yu 0 / 0 (None)
3093 NPC2014B  House Fence 0 / 0 (None)
3094 NPC2014C  Satay Skewer 0 / 0 (None)
3095 NPC2014E  Tresi and Girls 0 / 0 (None)
3096 NPC2014F  Field 0 / 0 (None)
3097 NPC2014G  Final Assignment 0 / 0 (None)
3098 NPC2014H  Arithmetic Rectangle 0 / 0 (None)
3262 NPC2015A  Eefun Guessing Words 0 / 0 (None)
3263 NPC2015B  Eefun the Accountant 0 / 0 (None)
3264 NPC2015C  Eefun Plays Doto 0 / 0 (None)
3265 NPC2015D  Eefun is not so Fun 0 / 0 (None)
3266 NPC2015E  Eefun Plays LOL 0 / 0 (None)
3267 NPC2015F  Eefun and Doors 0 / 0 (None)
3537 NPC2016A  Runner Game 0 / 0 (None)
3538 NPC2016C  Strange Waca 0 / 0 (None)
3539 NPC2016E  Quest Hunter 0 / 0 (None)
1658 NPOWM  Garden 0 / 0 (None)
502 NQUEEN  Yet Another N-Queen Problem 0 / 0 (None)
2927 NR1  Kapti and Balu 0 / 0 (None)
2936 NR2  Bhagat The Bit Man 0 / 0 (None)
2293 NSQUARE  NSquare Sum ( Easy ) 0 / 0 (None)
2294 NSQUARE2  NSquare Sum ( Medium ) 0 / 0 (None)
378 NSTEPS  Number Steps 0 / 0 (None)
1577 NSUBSTR  Substrings 0 / 0 (None)
1687 NSUBSTR2  Substrings II 0 / 0 (None)
473 NSYSTEM  Numeral System 0 / 0 (None)
3696 NTG  NT Games 0 / 0 (None)
3246 NTHPRIME  Nth Prime 0 / 0 (None)
2356 NTICKETS  Nlogonian Tickets 0 / 0 (None)
3811 NUMBERTH  Beautiful Roll Numbers 0 / 0 (None)
1559 NUMG  God of Number Theory 0 / 0 (None)
1406 NUMGAME  Number Game 0 / 0 (None)
1459 NUMOFPAL  Number of Palindromes 0 / 0 (None)
3373 NUMPATH  Gutibazi 0 / 0 (None)
2144 NUMPLAY  Fun with numbers 0 / 0 (None)
272 NUMQDW  Number of quite different words 0 / 0 (None)
2138 NUMTRY  Number Theory 0 / 0 (None)
2135 NUMTSN  369 Numbers 0 / 0 (None)
1102 NWERC04H  SETI 0 / 0 (None)
2686 NWERC05  Unequalled Consumption 0 / 0 (None)
1671 NWERC10G  Selling Land 0 / 0 (None)
1672 NWERC10H  Stock Prices 0 / 0 (None)
1882 NWERC11A  Binomial coefficients 0 / 0 (None)
1883 NWERC11B  Bird tree 0 / 0 (None)
1884 NWERC11C  Movie collection 0 / 0 (None)
1885 NWERC11D  Piece it together 0 / 0 (None)
1886 NWERC11E  Please, go first 0 / 0 (None)
1887 NWERC11F  Pool construction 0 / 0 (None)
1888 NWERC11G  Smoking gun 0 / 0 (None)
1889 NWERC11H  Tichu 0 / 0 (None)
1890 NWERC11I  Tracking RFIDs 0 / 0 (None)
1891 NWERC11J  Train delays 0 / 0 (None)
1666 NY10A  Penney Game 0 / 0 (None)
1667 NY10B  Nim-B Sum 0 / 0 (None)
1668 NY10C  Just The Simple Fax 0 / 0 (None)
1669 NY10D  Show Me The Fax 0 / 0 (None)
1665 NY10E  Non-Decreasing Digits 0 / 0 (None)
1670 NY10F  I2C 0 / 0 (None)
1165 O2JAM  Jinyuetuan Puzzle 0 / 0 (None)
1246 OAE  OAE 0 / 0 (None)
753 ODDDIV  Odd Numbers of Divisors 0 / 0 (None)
3204 ODWS  One day with string 0 / 0 (None)
3858 OEN  One Eight_Nine 0 / 0 (None)
198 OFBEAT  Officers on the Beat 0 / 0 (None)
626 OFFSIDE  He is offside! 0 / 0 (None)
2047 OFFSTRAT  Problem Offensive Strategy 0 / 0 (None)
471 OFORTUNE  Ohgas' Fortune 0 / 0 (None)
3210 OGLEDALA  Ogledala 0 / 0 (None)

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