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list of classical problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
35154 Coder Or NonCoder   9 272 44.60
5
6
36533 Gentleman s Wallet   9 58 42.05
12
16
36861 Yet Another Perfect Square Equation   9 61 31.97
11
19
37388 Balls and Queries   9 60 41.61
7
11
37474 Shuffling Problem   9 106 23.06
5
8
40379 Arithmetic Progression Query   9 91 30.43
15
15
40459 The triangle of Pascal modulo 2   9 43 52.87
23
21
40808 Crowded Music Festival   9 49 49.22
7
13
22 Triangle From Centroid   10 2707 45.19
8
20
530 Divisors 2   10 936 52.47
12
16
1677 Halloween treats   10 1010 39.33
14
22
1774 All Discs Considered   10 523 28.49
24
20
2050 Strange Billboard   10 805 60.55
13
29
2426 Palindromes   10 1026 24.80
16
15
3363 Svada   10 496 28.88
9
15
3374 Scavenger Hunt   10 1375 50.52
9
10
5978 Frequent Prime Ranges   10 718 28.82
14
14
6042 Another Box Problem   10 847 49.90
6
17
6450 PP numbers   10 886 41.94
10
6
7155 Test   10 425 19.34
34
27
7826 Tree Isomorphism   10 623 23.63
19
27
8425 Coloring Trees   10 324 30.46
20
31
9185 TORNJEVI   10 224 33.41
26
26
9458 Ghosts having fun   10 224 12.22
16
24
11375 Espionage   10 1525 42.28
4
5
11573 A Famous ICPC Team   10 2046 37.71
2
8
11578 A Famous City   10 807 30.89
16
21
12245 Natalia Plays a Game   10 936 44.00
14
15
14507 GAME2   10 104 25.04
12
11
14742 Building Bridges(HARD)   10 454 24.08
14
17
14846 Bribe the Prisoners   10 411 32.09
19
21
14871 STUDENTS   10 475 48.45
8
14
16139 Naya Shatranj (New Chess)   10 1937 68.39
4
17
16210 Impossible Boss   10 180 21.68
21
22
17732 Salary Management   10 236 19.26
22
24
18149 Rama and Friends   10 999 28.64
14
12
18187 Ingredients   10 295 31.69
21
23
18468 A Pleasant Stroll   10 138 35.42
23
19
18963 Bhagat The Bit Man   10 661 31.69
5
12
19568 Prime queries   10 448 22.91
27
21
21690 Power the Power Up   10 516 17.85
17
23
21751 Help the Heroes   10 393 32.32
9
13
22529 Dandiya Night and Violence   10 61 37.24
9
12
23516 One day with string   10 238 36.45
7
10
23963 Easy Factorials   10 118 17.20
27
26
24689 Fibo and non fibo   10 317 32.65
18
18
24999 1807   10 529 38.42
15
18
25783 Highly Spiritual Baba   10 127 31.99
19
19
25784 Bubble Sort   10 743 21.47
16
17
25810 Divisibility Test   10 64 13.33
24
26

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