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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
18932 Sum of primes (reverse mode)   5 21 17.44
45
45
16063 Hackers   6 59 21.54
48
48
177 AB-words   1 16 1.30
50
50
226 Jewelry and Fashion   1 20 28.54
34
50
412 K-path cover   181 20.04
1
50
1741 Tetris 3D   1 168 32.65
34
50
2421 Incrementing The Integer   1 50 23.55
17
50
2648 Archiver   1 44 13.46
34
50
2946 Eclipse   1 24 10.92
50
50
3644 Winning Strategy   1 35 38.33
17
50
3948 Polynomial Evaluation - Angry Teacher   -1 30 15.28
50
50
3980 Point Visible   1 49 32.22
34
50
4166 Four colors   1 100 21.88
50
50
4669 Cross Mountain Climb Extreme   1 32 22.91
34
50
5638 Mobile Service Hard   1 82 22.67
50
50
5902 Tri   1 77 20.54
34
50
6408 Counting Triangles 2   -1 55 33.60
50
50
7192 Integral Maximization   1 370 38.13
50
50
7363 Tree Sum   4 156 34.50
45
50
7882 Tabovi   2 329 49.56
50
50
8074 God of Number Theory   1 29 36.45
34
50
8283 Non-Decreasing Numbers   2 26 25.17
50
50
8318 color the balls   66 45.93
50
50
8324 Military patrol   1 54 30.20
34
50
8335 Counting the teams   1 23 45.61
34
50
8578 Reverse the Sequence   1 86 41.51
34
50
9519 Distinct Submatrices   1 23 20.74
50
50
9543 Dynamic Congruence Equation System   10 68.97
50
50
9889 Movie collection   1 213 43.40
50
50
9950 IQ Team   37 41.59
50
50
11473 NOS   2 182 25.73
1
50
11482 Count on a trie   60 23.63
42
50
11756 Teaming up for the competition   1 30 32.86
50
50
12076 Longest Common Subsequence   5 123 4.21
50
50
12803 Graph   8 18.42
50
50
13094 Beggars   47 27.00
50
50
13809 ISRANK   1 20 33.54
50
50
13926 Flipping Slipping of grids   1 4 25.00
17
50
13940 Fibonacci vs Polynomial (HARD)   3 17 28.57
50
50
15062 Bacteria   1 13 61.90
34
50
16280 Flowers of Babylon   1 47 17.48
17
50
18915 Anils Proposal   2 26 18.54
50
50
19971 100pct failure in 72 hours   1 8 45.90
17
50
20167 Array with Hudai Calculation   46 23.92
50
50
20327 Triangles   1 28 27.33
50
50
21061 Yet Another Subset Sum Problem   2 44 45.09
50
50
21068 Popular   3 45 24.53
34
50
21683 Bhagat and String   2 29 33.06
34
50
22090 Prime Power Test (Hard)   11 21.80
50
50
22269 Periodic function, trip 1   1 13 33.96
17
50

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