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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18799 Boring Factorials (Extended)   1 15 13.37
34
17
18905 Kapti and Balu   1 41 32.70
17
17
19084 Huge Pascal triangle   1 34 47.92
9
34
19133 Base Conversion   1 9 7.86
50
34
19147 Save CodeVillage   1 114 32.43
19150 Infinite Sequence   1 154 30.20
1
34
19152 Digo Goes Training   1 240 46.18
23
17
19153 Rooted Trees   1 43 21.51
19154 Terrorist Attack   1 23 35.46
34
34
19367 St Bernard and Gravity   1 75 11.04
17
1
19406 Fibonacci extraction Sum   1 54 26.08
34
39
19545 Black and White beads   1 248 34.47
26
26
19971 100pct failure in 72 hours   1 8 42.86
17
50
19976 HYPERCUBES   1 122 45.32
1
17
20050 Love Story 2   1 89 38.29
9
9
20167 Array with Hudai Calculation   1 51 24.51
34
34
20327 Triangles   1 30 28.82
50
50
20562 Tracy and Charlie   1 48 56.00
17
34
20635 Dortmund Dilemma   1 22 48.33
17
34
20689 WA,RTE and Placements   1 28 41.08
34
34
20872 Counting Pairwise Coprime Triples   1 50 52.45
34
34
20926 Special Numbers (Reverse and Add)   1 21 11.94
26
26
20951 Pebbles   1 74 60.14
1
17
20957 Alia and 3 Khans   1 77 31.54
34
17
20980 Chicken Joggers   1 19 41.27
17
17
21049 Under Construction Forever   1 17 40.91
17
34
21085 Palindrome Merge   1 35 28.24
17
17
21132 Palindromes   1 105 36.20
17
34
21170 Constellation of the parallelogram   1 92 26.64
17
17
21174 Gallantry   1 397 51.22
14
11
21407 2x2 Subgrid Sum Problem (medium)   1 22 21.29
21409 2x2 Subgrid Sum Problem (generalized)   1 6 17.02
21418 Interesting Game with Polygons   1 36 28.02
17
34
21597 The Hack   1 21 12.94
1
34
21599 POWER LEFT   1 113 21.17
21
14
21635 Beautiful Mountains   1 21 32.99
17
34
21636 Electric Car Rally   1 15 44.90
34
17
21644 Walls   1 25 16.92
17
34
21965 Book Club   1 33 37.11
17
17
21971 The Big Painting   1 48 22.49
34
17
22037 Shortest Paths   1 28 16.83
1
34
22269 Periodic function, trip 1   1 19 29.33
17
50
22274 Missing Side   1 94 18.25
17
9
22319 Polynomial Table   1 11 28.88
17
17
22331 Intersection Query   1 18 19.85
50
34
22532 Cool Problem   1 21 55.32
1
17
22552 Flow on Tree   1 45 40.28
17
17
22554 Kingdom   1 41 45.39
34
34
23185 Pencil Game   1 24 28.44
17
17
23530 Suffixes   1 22 19.01
17
17

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