Ladder · Difficulty 2
0/ 100problems solved
0% complete100 left
Labels rank each problem against the rest of this ladder, by how many people solved it relative to problems of the same rating and age — not by its rating, which is already in its own column.
1Way Too Long Words800very easy2Team800very easy3Bit++800very easy4Beautiful Matrix800very easy5Petya and Strings800very easy6Boy or Girl800very easy7Helpful Maths800very easy8Word Capitalization800very easy9Stones on the Table800very easy10Word800very easy11Nearly Lucky Number800very easy12Translation800very easy13Beautiful Year800easy14Tram800very easy15Queue at the School800easy16Drinks800easy17Is your horseshoe on the other hoof?800easy18Ultra-Fast Mathematician800easy19Arrival of the General800easy20Insomnia cure800easy21Amusing Joke80022Soft Drinking80023I_love_\%username\%80024Borze800easy25Panoramix's Prediction800hard26Perfect Permutation800very hard27System of Equations800very hard28Reconnaissance 2800hard29Cupboards800very hard30Football900very easy31Even Odds900easy32HQ9+900easy33Dubstep90034Puzzles90035Sale90036Business trip900very hard37Magic Numbers900very hard38Lights Out900very hard39Hexadecimal's theorem900very hard40Little Elephant and Rozdil900very hard41Bicycle Chain less travelled900very hard42String Task1000very easy43Young Physicist1000very easy44Chat room1000very easy45Dragons1000very easy46Xenia and Ringroad1000easy47Football1000very easy48Jzzhu and Children100049The number of positions1000easy50Petr and Book100051Present from Lena100052k-String100053Free Cash100054Jeff and Digits1000hard55Dima and Friends1000hard56Supercentral Point100057Little Elephant and Function1000very hard58Fence1100easy59Sereja and Suffixes1100easy60Cinema Line1100hard61Effective Approach110062Parallelepiped110063Little Elephant and Bits110064Yaroslav and Permutations1100hard65IQ Test1100very hard66Rank List1100hard67Letter1100hard68Comparing Strings1100hard69Airport1100hard70Kitahara Haruki's Gift1100very hard71Big Segment1100hard72Unlucky Ticket1100very hard73Boys and Girls1100very hard74Kuriyama Mirai's Stones1200easy75Flipping Game1200easy76DZY Loves Chessboard120077Building Permutation1200hard78Hungry Sequence1200hard79Two Bags of Potatoes1200easy80Domino1200hard81TL1200hard82Sail1200very hard83Xenia and Divisors1200very hard84Pythagorean Theorem II1200very hard85Shooshuns and Sequence 1200hard86Shower Line1200very hard87Cards with Numbers1200very hard88T-primes1300very easy89Cut Ribbon1300very easy90Sort the Array1300easy91Pashmak and Flowers1300easy92Little Girl and Game130093Jzzhu and Sequences1300hard94Jeff and Periods1300hard95Easy Number Challenge130096Appleman and Card Game1300very hard97Increase and Decrease1300hard98Polo the Penguin and Matrix140099Adding Digits1400easy100Sereja and Bottles1400hard