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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
4305 Drilling   3 104 18.39
17
34
4415 Power of Integer   1 274 21.96
17
26
4416 Jumping Hands   1 208 65.73
17
17
4429 Spelling Lists   2 191 32.19
17
34
4457 Shopping II   3 149 34.66
17
1
4480 Chaos Strings   14 533 30.10
17
22
4485 MobiZone vs VinaGone   7 334 33.72
17
31
4491 Primes in GCD Table   2 811 35.99
17
26
4525 Digger Octaves   6 389 35.42
17
21
4532 String reduction   2 168 16.66
17
30
4558 I Speak Whales   187 42.41
17
17
4568 Rotating Rings   1 297 29.67
17
17
4644 Proving Equivalences   1 198 28.53
17
17
4656 Cross Mountain Climb   1 63 30.69
17
34
4666 Wireless   1 127 36.94
17
17
4882 Counting in a DAG   6 179 11.92
17
26
5011 Library for Madrid   58 42.48
17
17
5128 Bomb the Bridge   1 45 30.51
17
17
5142 A Pair of Graphs   1 69 53.90
17
17
5152 Brute-force Algorithm EXTREME   2 103 22.15
17
28
5452 Hop Do not Walk   2 148 35.23
17
17
5453 Air Strike   2 177 23.72
17
17
5541 Sequoiadendron   1 66 44.41
17
17
5885 Troops of Sand Monsters   2 111 17.16
17
17
5911 Square-free Integers Factorization   1 19 31.56
17
34
6072 Chocolate   160 21.60
17
34
6170 Homecoming   1 31 30.32
17
34
6289 Bomberman   211 25.49
17
17
6290 Robbery 2   7 806 32.88
17
13
6299 Move Marbles   1 21 5.36
17
34
6340 ZUMA   6 499 45.29
17
34
6377 Two Array Problem   4 189 27.90
17
26
6478 Hamster Flight 2   2 65 33.06
17
34
6499 Breaking Chocolates   1 102 18.68
17
17
6560 N DIV PHI_N (Hard)   4 166 21.22
17
28
6576 Divide and Conquer   2 60 16.25
17
26
6624 Snowball Game   4 50 31.15
17
26
6681 Point on the side of the rectangle   1 136 44.85
17
17
6692 B - Esperanto Lessons   2 68 64.52
17
26
6700 Make it Smooth   2 71 20.47
17
17
6726 Goldbach graphs   3 33 56.10
17
17
6773 Dinostratus Numbers   1 95 18.13
17
17
6805 Counter attack   3 176 60.91
17
17
6825 Field Plan   1 101 29.93
17
17
6829 Polynomial   2 192 30.27
17
17
6949 PIN   143 28.26
17
34
6978 Check 1324   4 100 22.96
17
17
7001 Visible Lattice Points   1 557 30.04
17
34
7025 Roads in Berland   1 132 33.10
17
34
7034 Crashing Robots   3 170 47.65
17
1

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