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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
17320 Guess The Number With Lies v3   1 7 27.00
17
34
17382 Airplane Parking   1 17 31.17
17
1
17400 Height of Expectation   1 338 53.98
8
13
17402 Joy of Arbitrage   1 13 12.20
50
34
17705 Gopu and Combinatorics on Graphs   1 83 45.12
17755 Tree and Palindrome   1 148 20.86
1
1
17877 Two Swamills   1 62 40.00
17
34
17944 Mickey Mouse Magic Trick v4   1 41 56.41
1
34
18050 Robert Langdon & Class Attendance   1 39 25.41
17
17
18094 Robert Langdon & Florence   1 175 64.69
28
23
18170 Takeover Wars   1 15 21.36
1
34
18248 Maggu’s Solar Panels   1 43 33.18
34
34
18393 Hamiltonian Cycles   1 25 17.89
17
17
18466 A Frightening Evening   1 114 29.13
1
1
18469 Office Mates   1 50 31.36
17
34
18531 Barrelrider   1 19 55.56
17
17
18666 Radiation   1 29 18.00
18715 Boring Factorials (Reloaded)   1 60 10.26
18799 Boring Factorials (Extended)   1 15 14.55
34
17
18905 Kapti and Balu   1 38 32.65
17
17
19084 Huge Pascal triangle   1 30 43.82
9
34
19133 Base Conversion   1 9 15.60
50
34
19147 Save CodeVillage   1 107 33.11
19150 Infinite Sequence   1 152 31.88
1
34
19152 Digo Goes Training   1 227 45.74
23
17
19153 Rooted Trees   1 40 21.43
19154 Terrorist Attack   1 17 37.39
34
34
19367 St Bernard and Gravity   1 72 10.97
17
1
19545 Black and White beads   1 237 33.70
26
26
19971 100pct failure in 72 hours   1 8 45.90
17
50
19976 HYPERCUBES   1 111 45.31
1
17
20050 Love Story 2   1 86 38.17
9
9
20327 Triangles   1 28 27.33
50
50
20562 Tracy and Charlie   1 42 56.47
17
34
20635 Dortmund Dilemma   1 19 45.45
17
34
20689 WA,RTE and Placements   1 22 39.20
34
34
20872 Counting Pairwise Coprime Triples   1 44 52.31
34
34
20926 Special Numbers (Reverse and Add)   1 21 12.83
26
26
20957 Alia and 3 Khans   1 74 31.44
34
17
21049 Under Construction Forever   1 15 44.44
17
34
21085 Palindrome Merge   1 26 26.67
17
17
21132 Palindromes   1 91 33.71
17
34
21170 Constellation of the parallelogram   1 89 26.31
17
17
21174 Gallantry   1 396 51.18
14
11
21409 2x2 Subgrid Sum Problem (generalized)   1 6 42.11
21418 Interesting Game with Polygons   1 33 27.75
17
34
21597 The Hack   1 20 15.82
1
34
21599 POWER LEFT   1 108 20.96
21
14
21635 Beautiful Mountains   1 16 39.68
17
34
21636 Electric Car Rally   1 14 45.65
34
17

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