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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
3195 Doors and Penguins   9 236 27.76
19
16
5451 Not So Flat After All   9 1116 42.57
11
10
5978 Frequent Prime Ranges   9 688 29.16
13
13
7108 Heptadecimal Numbers   9 1220 35.55
2
2
8995 CANDY   9 1330 38.31
8
6
9385 Strictly not a Prime   9 363 28.67
17
12
10233 Magical Bridges   9 162 27.63
29
24
10366 Play with Dates   9 1411 38.46
16
6
10606 Balanced Numbers   9 474 25.07
23
17
10639 The Blind Passenger   9 1989 44.73
4
5
11476 Weird Points   9 174 27.61
21
26
12005 Grass Planting   9 492 43.31
32
17
12262 Mirror Strings !!!   9 889 33.08
16
17
12810 Yet Another Multiple Problem   9 261 21.21
21
23
13117 White Hats   9 613 37.59
4
14
13643 BATMAN3   9 910 41.61
11
12
13707 SHAHBAG   9 1452 39.17
4
5
14846 Bribe the Prisoners   9 367 30.89
17
19
14871 STUDENTS   9 427 47.67
8
12
15437 Tambourine   9 1484 49.94
6
2
15561 Find Number Of Pair of Friends   9 420 32.02
22
19
17617 WHAT A CO-ACCIDENT   9 1473 60.75
2
11
17717 Gopu and Counting Bitwise Prime Numbers   9 221 19.86
21
17
18149 Rama and Friends   9 986 28.54
15
13
18408 The Valentine Confession   9 572 28.24
15
21
19144 Digo plays with Numbers   9 722 40.81
9
11
22337 Stick values   9 106 29.96
22
24
22412 Divisors of factorial (hard)   9 158 47.63
22
22
22463 Smallest Number (medium)   9 68 22.01
29
25
23153 Equivalent Passwords   9 71 36.04
21
14
23515 The Last String Bender   9 135 28.64
19
11
24957 Petya Brother and Repairment of Roads   9 153 27.69
24
24
25179 Kaos   9 269 41.28
19
25
25311 Candies   9 1073 35.67
6
7
25690 Laser Beam   9 71 25.76
9
22
26344 Related or not   9 360 52.41
8
9
26928 The Crossover   9 100 16.45
22
16
27369 Gupta ji Birthday !!   9 122 32.12
19
19
28607 Descending Alternating Sums   9 129 38.26
10
16
30349 Strange Waca   9 40 19.64
17
22
30756 Ada and Numbering   9 117 17.37
31
34
30827 THE LAST SHOT   9 646 29.03
9
7
31099 Ada and CAPTCHA   9 171 17.03
20
16
32192 SUMMATION   9 450 21.33
8
10
32943 Ada and Unstable Sort   9 508 42.20
5
9
34557 Apoorv Loves Primes   9 46 42.49
26
30
34975 Prime Friendly Numbers   9 38 20.32
27
24
36424 Abul and Prime Numbers   9 271 43.78
1
7
37169 Boba Inversion   9 94 33.99
12
17
37388 Balls and Queries   9 49 43.48
7
11

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