Quera knocker This repo hosts the solutions found on iranian leetcode (quera.org) in any language University row Quera No. Name Description 1 276 Length and sum of digits 2 277 Hexadecimal numbers 3 279 Revenge from strict TA 4 280 Complex calculation 5 281 Pythagorean numbers 6 282 To be perfect or not 7 283 Hollow square 8 287 In search of father 9 291 Common sub-string 11 293 Prime numbers 12 294 Second degree equation 13 296 Special box 14 297 Exponential function 15 298 Prime factors 16 303 Fibonacci sequence 17 304 PoweredFunctions 18 305 GCD 19 307 Textual machine 20 308 Heart pun 21 335 Multilayer sum 22 345 work contract 23 364 Triangles 24 367 Attack on the far country 25 368 House of a thousand rooms 26 397 Balanced sequence 27 588 Maximum 28 589 Factorial 29 590 GCD and LCM 31 591 Square print 32 592 Numbers modular arithmetic 33 593 Finding the prime number 34 594 Base 35 595 Khayyam Triangle 36 596 Fibonacci sentences 37 597 Coordinate snail 38 599 Calculation of projectile range 39 602 Equation discovery 40 603 Stair climbing 41 604 Presidential Election 42 605 Tiling 43 607 Multiplication of matrices 44 608 Determinants of matrices 45 609 Matrix snail 46 611 Magical square 47 615 Date of birth 48 616 Power of two 49 617 Self-centered number 50 618 Rhombus print 51 630 String sorting 52 632 Reverse search 53 633 Calculation of polynomial coefficients 54 637 Sum of numbers 55 638 Calculate the series 56 639 Common sub-string 57 640 laddery 58 641 long journey 59 643 SigmaGir 60 647 first sight 61 651 Mirror base 62 652 Honorable numbers 63 654 Pythagorean trinity 64 655 Farzad Filmbin 65 656 Farzad the player 66 658 Farzad Karkon 67 659 Library 68 660 Celebration of gifts 69 9739 Enclosed area 70 9741 Red black tree 71 9743 Sudoku 72 9772 Number graph problem 73 9773 Star rhombuses 74 9774 Number printer 75 11584 enough of a question 76 11585 Sum of all sub-intervals 77 12912 All subsets 78 66858 Painting 79 66859 Alpha Centauri 80 66860 Salt-land tiles 81 66861 good number 82 66862 Misery of Kambiz 83 66863 codemaster 84 66864 Code class! 85 66865 Sumak Farm 86 66866 graphdraw-ing 87 66867 rose garden 88 66869 Game series 2! 89 66870 Pashanj Plus 90 66871 The first route 91 66872 Long string