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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9943 Isabella Message   1 69 24.22
17
17
9973 Problem Set Score   4 918 39.55
12
17
10070 Trick or Treat   2 253 67.00
12
17
10079 Stammering Aliens   1 167 32.18
17
17
10089 Locks and Keys   1 18 33.73
34
17
10096 Lights (Extreme)   56 29.80
17
17
10110 Guess the Numbers   124 44.36
17
17
10128 Treasures and Vikings   -1 82 25.06
17
17
10141 STRAZA   49 40.13
34
17
10229 Save the Students   1 183 26.08
17
17
10240 Circleland   4 713 31.90
13
17
10355 Coin Tosses   2 398 34.06
1
17
10420 Hardware upgrade   1 55 30.04
34
17
10422 Rubiks cube   2 58 44.63
17
17
10452 Caprica Cities   3 165 38.31
26
17
10460 A function over factors   1 102 32.78
1
17
10502 Video game combos   1 398 38.32
34
17
10515 K12-Combinations   5 412 28.02
5
17
10517 K12-Generating Big Numbers II   1 83 45.02
26
17
10573 Problem Offensive Strategy   1 72 23.25
17
17
10579 Desrugenstein   2 120 49.34
17
17
10596 Monkey and apples   6 164 17.07
30
17
10606 Balanced Numbers   9 652 29.20
23
17
10819 BF Vector   1 83 55.84
1
17
10877 Decoys and Diversions   49 18.97
9
17
11103 PrimeFactorofLCM   5 600 25.71
17
17
11244 GP - Complete the Series v1 ()   2 289 21.45
30
17
11300 Fun with numbers   3 303 35.24
12
17
11321 G-One Sort   5 782 37.62
13
17
11391 EASY MATH   27 1461 20.32
19
17
11461 Book Shelves   2 80 21.04
17
17
11496 Just the distance   22 12.75
17
17
11509 IPL - CRICKET TOURNAMENT   1 83 25.84
17
17
11577 The Famous ICPC Team Again   1 83 30.89
17
17
11582 A Famous Grid   3 196 16.90
17
17
11769 Kind and gently   106 53.23
17
17
11771 Mountain Cave   1 16 8.31
34
17
11777 Easy Sequence!   157 25.76
17
17
11875 Jobs   1 362 38.94
1
17
11899 Queen Game   1 21 22.70
34
17
11906 Rescue On Time   -1 26 33.00
34
17
11921 Ball Stack   1 43 54.78
17
17
11947 Counting Words   2 169 26.66
17
17
11948 Dark Assault   1 31 30.47
17
17
11952 Intergalactic Highways   3 152 29.08
17
17
12240 Multinomial numbers   1 19 39.29
34
17
12262 Mirror Strings !!!   9 949 33.55
16
17
12277 The Trip   118 31.34
17
17
12295 Smallest Inverse Euler Totient Function   8 235 22.89
21
17
12365 Ball of Reconciliation   3 345 52.27
17
17

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