list of problems

ID NAME CODE USERS ACC %
246    Plant a Christmas Tree CTQUINE 28 30.80
1690    Intercept INTER 19 30.99
7224    Prime or not ISPRIME 88 31.79
21015    Clock problems CLOCKPRO 3 37.93
7480    Nth Prime NPRIME 55 40.11
11439    Area of an Irregular Polygon POLYGONA 7 41.40
8446    Sum of two primes PRIMESUM 15 42.02
9029    The next and the previous palindrome NEXTPREV 37 42.38
8435    Plotting functions PLOT 8 42.41
6295    Area Difference SQDIFF 47 42.86
7105    Reverse the Input REVINPUT 69 43.07
5656    Binary clock BINCLOCK 48 44.00
7032    Adding reversed numbers (challenge) ADDING 89 44.03
5681    Factorial length FACTLENG 304 44.18
6088    Sorting points XYZ_SORT 78 47.05
6646    Fully Parenthesized Expression BRACKETS 17 48.06
7483    C style constants CCONST 52 48.17
6388    Next power of 2 POWEROF2 221 48.51
5642    Fibonacci numbers FIBON 570 48.65
6366    Reverse Polish notation RPN 65 48.91
5675    Gregorian calendar GREGCAL 27 49.29
6699    Type of triangle TRIAN 112 49.30
6120    Totient function TOTIENT 57 49.59
6119    Function σ SIGMA_EN 60 49.65
378    Size Contest SIZECON 443 50.39
6621    Binomial coefficient BINOMIAL 132 50.41
8198    Homogeneous area RECTAREA 22 50.45
7532    Fibonacci check ISFIB 63 50.70
5659    Pascal’s triangle PASCAL_T 82 51.84
1492    Lexicographic sort SLEXSORT 61 51.93
12996    Wow Square WOW_SQR 14 52.46
7810    Hands meeting MEETING 19 53.59
16509    Divisors TJUC1 13 54.55
6454    Street parade (challenge) S_PARADE 53 54.64
8677    Brightness BRIGHT 25 55.09
5666    Next permutation NEXTPERM 184 55.23
7183    Pizza (challenge) PIZZAS 98 55.29
6411    Dos Date (all languages available) DDATE2 85 55.90
6496    Biggest sum of a coherent subsequence B_S_C_S 45 56.35
6586    Anagram (challenge) ANAGRAMS 139 56.36
8671    Short Prime Permutations SPRIMPER 17 56.99
6626    Printing triangle ELGNAIRT 59 57.22
6277    Morse code MORSE_CD 48 57.42
8950    Grid points GRIDPNT 14 58.17
5828    Positional notations POS_NOTA 46 58.19
5671    Roman calculator ROMANCAL 39 59.89
5842    Polybius square POLYBIUS 105 59.98
9174    Counting red squares BOARD 23 60.28
5910    Checking sudoku SUDCHECK 48 60.35
8789    Find the cross XFIND 14 60.49
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