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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
12579 Search Insert Delete   4 104 10.62
30
11
13091 Snakes and Ladders   3 113 17.95
21
11
13376 The new President   4 392 31.47
11
11
14507 GAME2   10 104 25.04
12
11
15208 Minimum Cost   16 1478 57.34
9
11
17309 Operation Bits   1 417 57.36
11
11
17617 WHAT A CO-ACCIDENT   9 1504 60.62
2
11
17731 Buying Integers   5 111 40.73
8
11
18465 A Subtle Surf   6 204 43.41
14
11
19174 Khairy and Gold Alloys   7 148 47.46
11
11
21174 Gallantry   1 397 51.22
14
11
26743 Wonowon   6 148 66.23
11
11
30669 Ada and Trip   35 994 31.07
14
11
32724 nth number   4 644 24.63
12
11
36531 Empanadas   11 79 55.19
4
11
5449 Seinfeld   189 9560 40.07
8
11
3921 The Great Ball   60 3951 39.19
7
11
25942 Ball sum   42 1800 35.19
11
11
96 Shopping   46 3100 44.19
15
11
16030 Psycho   13 861 20.72
10
11
2905 Not a Triangle   93 5052 38.67
11
11
15267 FRIEND CIRCLE   28 1442 28.43
13
11
4141 Euler Totient Function   147 12043 39.03
8
11
15567 Playing With Balls   23 1777 65.36
2
11
36583 Game of Square   12 137 28.32
11
11
9655 Elevator Trouble   96 4336 32.42
11
11
15454 How to Handle the Fans   39 1530 50.54
12
11
10381 Search in the dictionary!   34 1439 26.14
17
11
12150 Just Next !!!   75 6670 23.13
12
11
4942 Integer Factorization (15 digits)   45 3695 32.76
11
11
11066 AP - Complete The Series v2   8 1117 14.23
19
11
14844 All Your Base   12 543 30.17
11
11
19144 Digo plays with Numbers   9 726 40.73
9
11
21692 CURD PRODUCERS   6 535 42.01
15
11
23515 The Last String Bender   9 138 27.65
19
11
31221 Zen And His Crush   13 416 67.17
8
11
37388 Balls and Queries   9 60 41.61
7
11
95 Street Parade   318 18630 29.08
14
11
27269 Cube Numbers   29 615 30.99
9
11
11515 I AM VERY BUSY   153 8648 45.05
9
11
4556 Think I will Buy Me a Football Team   30 2189 45.16
7
11
6471 Printing some primes   71 7835 28.93
13
11
7742 Onotole needs your help   138 10153 41.10
4
11
8611 Non-Decreasing Digits   71 3733 54.84
7
11
4 Transform the Expression   258 44380 49.47
12
11
1688 A Very Easy Problem!   40 6172 49.09
12
11
7423 File Recover Testing   17 927 35.56
7
11
8598 Traverse through the board   6 673 53.40
10
11
32235 SOLVEIT   10 346 25.88
5
11
34705 Secret Recipe   10 158 39.82
12
11

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