ID 题目 显示标签 隐藏标签 AC / 尝试 难度
31 NHAY   A Needle in the Haystack 0 / 0 (无)
2426 NICEBTRE   Nice Binary Trees 0 / 0 (无)
319 NICEDAY   The day of the competitors 0 / 0 (无)
3769 NICESEQ   NICE SEQUENCES 0 / 0 (无)
3349 NINJA1   Related or not 0 / 0 (无)
3350 NINJA2   PATHETIC STRINGS 0 / 0 (无)
3351 NINJA3   STUNNING GCD 0 / 0 (无)
3352 NINJA4   HELP SHELDON 0 / 0 (无)
3353 NINJA5   K NUMBERS 0 / 0 (无)
3354 NINJA6   TRAVELLING DILEMMA 0 / 0 (无)
3355 NINJA7   TWO SEQUENCES PROBLEM 0 / 0 (无)
3356 NINJA8   George vs Kramer 0 / 0 (无)
2726 NITK06   MODIFY SEQUENCE 0 / 0 (无)
2727 NITK07   THE INDIAN OCEAN 0 / 0 (无)
2291 NITT1   My Reaction when there is no internet connection 0 / 0 (无)
2292 NITT2   hai jolly jolly jolly 0 / 0 (无)
2296 NITT4   Tiles 0 / 0 (无)
2297 NITT8   Dating Rishi 0 / 0 (无)
2480 NITTROAD   Roads of NITT 0 / 0 (无)
3659 NKDIV   N..K..Divide 0 / 0 (无)
3644 NNS   Nearest Neighbor Search 0 / 0 (无)
3294 NNUM   One of the Simpsons symbols 0 / 0 (无)
541 NOCHANGE   No Change 0 / 0 (无)
1584 NONDEC   Non-Decreasing Numbers 0 / 0 (无)
3155 NORMA2   Norma 0 / 0 (无)
1645 NOSQ   No Squares Numbers 0 / 0 (无)
728 NOTATRI   Not a Triangle 0 / 0 (无)
803 NOTOKNOT   Knot or Not 0 / 0 (无)
1636 NOVICE43   Problem 3 0 / 0 (无)
1756 NOVICE62   Match the words 0 / 0 (无)
1755 NOVICE63   Special Numbers 0 / 0 (无)
1753 NOVICE65   Derangements HARD 0 / 0 (无)
3092 NPC2014A   I Ken Bit Yu 0 / 0 (无)
3093 NPC2014B   House Fence 0 / 0 (无)
3094 NPC2014C   Satay Skewer 0 / 0 (无)
3095 NPC2014E   Tresi and Girls 0 / 0 (无)
3096 NPC2014F   Field 0 / 0 (无)
3097 NPC2014G   Final Assignment 0 / 0 (无)
3098 NPC2014H   Arithmetic Rectangle 0 / 0 (无)
3262 NPC2015A   Eefun Guessing Words 0 / 0 (无)
3263 NPC2015B   Eefun the Accountant 0 / 0 (无)
3264 NPC2015C   Eefun Plays Doto 0 / 0 (无)
3265 NPC2015D   Eefun is not so Fun 0 / 0 (无)
3266 NPC2015E   Eefun Plays LOL 0 / 0 (无)
3267 NPC2015F   Eefun and Doors 0 / 0 (无)
3537 NPC2016A   Runner Game 0 / 0 (无)
3538 NPC2016C   Strange Waca 0 / 0 (无)
3539 NPC2016E   Quest Hunter 0 / 0 (无)
1658 NPOWM   Garden 0 / 0 (无)
502 NQUEEN   Yet Another N-Queen Problem 0 / 0 (无)
2927 NR1   Kapti and Balu 0 / 0 (无)
2936 NR2   Bhagat The Bit Man 0 / 0 (无)
2293 NSQUARE   NSquare Sum ( Easy ) 0 / 0 (无)
2294 NSQUARE2   NSquare Sum ( Medium ) 0 / 0 (无)
378 NSTEPS   Number Steps 0 / 0 (无)
1577 NSUBSTR   Substrings 0 / 0 (无)
1687 NSUBSTR2   Substrings II 0 / 0 (无)
473 NSYSTEM   Numeral System 0 / 0 (无)
3696 NTG   NT Games 0 / 0 (无)
3246 NTHPRIME   Nth Prime 0 / 0 (无)
2356 NTICKETS   Nlogonian Tickets 0 / 0 (无)
3811 NUMBERTH   Beautiful Roll Numbers 0 / 0 (无)
1559 NUMG   God of Number Theory 0 / 0 (无)
1406 NUMGAME   Number Game 0 / 0 (无)
1459 NUMOFPAL   Number of Palindromes 0 / 0 (无)
3373 NUMPATH   Gutibazi 0 / 0 (无)
2144 NUMPLAY   Fun with numbers 0 / 0 (无)
272 NUMQDW   Number of quite different words 0 / 0 (无)
2138 NUMTRY   Number Theory 0 / 0 (无)
2135 NUMTSN   369 Numbers 0 / 0 (无)
1102 NWERC04H   SETI 0 / 0 (无)
2686 NWERC05   Unequalled Consumption 0 / 0 (无)
1671 NWERC10G   Selling Land 0 / 0 (无)
1672 NWERC10H   Stock Prices 0 / 0 (无)
1882 NWERC11A   Binomial coefficients 0 / 0 (无)
1883 NWERC11B   Bird tree 0 / 0 (无)
1884 NWERC11C   Movie collection 0 / 0 (无)
1885 NWERC11D   Piece it together 0 / 0 (无)
1886 NWERC11E   Please, go first 0 / 0 (无)
1887 NWERC11F   Pool construction 0 / 0 (无)
1888 NWERC11G   Smoking gun 0 / 0 (无)
1889 NWERC11H   Tichu 0 / 0 (无)
1890 NWERC11I   Tracking RFIDs 0 / 0 (无)
1891 NWERC11J   Train delays 0 / 0 (无)
1666 NY10A   Penney Game 0 / 0 (无)
1667 NY10B   Nim-B Sum 0 / 0 (无)
1668 NY10C   Just The Simple Fax 0 / 0 (无)
1669 NY10D   Show Me The Fax 0 / 0 (无)
1665 NY10E   Non-Decreasing Digits 0 / 0 (无)
1670 NY10F   I2C 0 / 0 (无)
1165 O2JAM   Jinyuetuan Puzzle 0 / 0 (无)
1246 OAE   OAE 0 / 0 (无)
753 ODDDIV   Odd Numbers of Divisors 0 / 0 (无)
3204 ODWS   One day with string 0 / 0 (无)
3858 OEN   One Eight_Nine 0 / 0 (无)
198 OFBEAT   Officers on the Beat 0 / 0 (无)
626 OFFSIDE   He is offside! 0 / 0 (无)
2047 OFFSTRAT   Problem Offensive Strategy 0 / 0 (无)
471 OFORTUNE   Ohgas' Fortune 0 / 0 (无)
3210 OGLEDALA   Ogledala 0 / 0 (无)

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