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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
32245 Apoorv and Maximum Inversion   21 148 33.03
22
24
35276 Smallest on the Stack   21 907 15.06
11
13
57 Supernumbers in a permutation   22 1097 32.90
17
19
203 Potholers   22 2274 26.45
16
12
227 Ordering the Soldiers   22 1468 33.21
21
23
665 String it out   22 1218 38.76
12
15
5970 Finding Primes   22 1341 27.91
16
15
6898 Substring Problem   22 838 15.13
23
23
7691 Homo or Hetero   22 1663 36.15
15
11
10442 Candy Distribution   22 3920 37.53
2
4
10537 Edit Distance Again   22 2541 42.19
4
6
15285 Defend The Rohan   22 1312 43.11
7
10
15609 Spiky Mazes   22 1021 35.17
15
12
16482 Make them equal !   22 2121 52.82
3
9
20775 Roger and tree   22 335 27.64
17
22
27379 Unique Code   22 129 19.87
21
21
32579 Ada and Expenses   22 367 51.12
10
12
4557 Musical Chairs   23 2482 46.74
9
19
8363 COSTLY CHESS   23 1668 43.20
14
12
10818 Medium Factorization   23 1843 14.44
19
14
15555 Check the coprimeness   23 3255 50.27
3
5
15567 Playing With Balls   23 1773 65.31
2
11
15980 Ascending Fibonacci Numbers   23 806 17.33
17
13
21853 Rivals   23 508 33.77
17
24
235 Very Fast Multiplication   24 1323 27.95
26
22
726 Promotion   24 2093 28.11
12
8
4164 A conjecture of Paul Erdős   24 2533 43.83
16
15
9756 Alaska   24 2935 35.86
5
3
10500 Haybale stacking   24 3830 34.34
9
14
13388 Easy Jug   24 2154 42.01
6
15
14955 Dancing Cows   24 595 24.88
15
22
18297 Problem4   24 539 32.32
18
20
22382 Euler Totient Function Depth   24 390 36.88
15
16
23847 Acm Teams   24 1662 40.38
2
5
26315 Crazy Smoker   24 1350 35.32
4
9
28304 Ada and Teams   24 832 39.08
15
15
365 Phidias   25 1219 47.22
13
21
1027 Fool the Police   25 1648 27.05
18
23
1557 Can you answer these queries II   25 1741 24.98
28
35
1846 Project File Dependencies   25 2144 41.06
14
15
3505 Prime Number Theorem   25 1534 28.11
14
13
3934 Recaman’s Sequence   25 3532 53.86
9
6
4235 Wandering Queen   25 854 14.95
23
19
10395 Sum of divisors!   25 2372 27.04
16
18
11736 Prime Time   25 2159 48.49
11
12
18150 SHAKTIMAN AND KILWISH   25 2817 63.66
3
9
25584 Factorial Modulo   25 413 24.92
10
15
29695 GO GOA GONE   25 884 24.80
12
13
279 Interesting number   26 838 24.17
19
24
1728 Common Permutation   26 4185 46.66
6
6

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