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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
5117 Wine trading in Gergovia   76 5292 34.03
9
12
3381 Highways   77 4306 37.92
10
9
3871 GCD Extreme   77 2491 29.44
18
26
10509 Cards   78 13351 34.11
4
4
21524 Pattern Find   78 4391 38.12
10
13
91 Two squares or not two squares   79 5996 24.55
11
14
154 Sweet and Sour Rock   79 3400 51.43
14
17
21357 Crucial Equation   79 5994 38.14
4
9
3405 Almost Shortest Path   80 1660 31.57
22
21
5971 LCM Sum   80 3511 25.72
20
29
328 Bishops   82 8906 32.03
14
7
10232 Distinct Primes   83 5772 45.50
10
9
23776 K-Query Online   83 1866 40.61
20
24
1112 Number Steps   84 33668 43.24
4
4
7718 Number of common divisors   85 6726 25.03
11
13
10401 Aliens at the train   85 4351 29.25
13
10
5295 Adjacent Bit Counts   86 3534 65.95
14
18
7975 Tri graphs   86 4825 29.07
11
10
10380 prayatna PR   86 5217 43.38
6
6
2884 Martian Mining   87 2266 47.78
13
22
130 Rent your airplane and make money   88 3335 28.63
18
17
400 To and Fro   89 23221 55.55
14
7
3643 Traffic Network   89 2088 18.30
18
21
7733 Happy Numbers I   89 9330 53.36
8
8
694 Distinct Substrings   91 5485 26.35
21
24
7424 Girls and Boys   91 12213 46.96
4
10
63 Square Brackets   92 3834 56.90
14
18
2905 Not a Triangle   92 4959 38.61
11
11
3885 Coins Game   92 5133 46.07
10
13
6818 Capital City   92 2690 38.89
19
20
9493 Advanced Fruits   92 2221 37.48
19
16
2416 Distinct Subsequences   94 3686 36.20
12
22
9655 Elevator Trouble   94 4146 32.07
11
11
2123 Candy I   95 28418 44.19
3
4
38 Labyrinth   97 5278 25.74
17
16
64 Permutations   98 4266 51.96
12
20
181 Scuba diver   98 3781 25.94
18
18
368 Cobbled streets   98 5375 50.76
13
12
25 Pouring water   99 5327 24.12
19
22
1845 Mice and Maze   99 5361 36.02
10
10
7259 Light Switching   102 4243 32.71
16
15
42 Adding Reversed Numbers   103 75763 48.42
6
4
7676 Sum of Digits   103 4747 38.58
17
20
2157 Anti-Blot System   104 12910 45.24
10
5
14956 Submerging Islands   104 4386 39.70
13
13
1030 Triple Fat Ladies   106 18997 51.76
4
12
1684 Frequent values   111 3747 27.70
20
21
913 Query on a tree II   115 4361 20.67
24
21
1710 Two Ends   115 3755 42.27
18
17
1419 A Game with Numbers   118 11947 61.64
3
10

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