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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
31040 Namit In Trouble   21 827 23.62
14
14
32245 Apoorv and Maximum Inversion   21 148 32.97
22
24
57 Supernumbers in a permutation   22 1098 32.87
17
19
203 Potholers   22 2275 26.46
16
12
227 Ordering the Soldiers   22 1470 33.24
21
23
665 String it out   22 1218 38.80
12
15
5970 Finding Primes   22 1341 27.92
16
15
6898 Substring Problem   22 839 15.15
23
23
7691 Homo or Hetero   22 1664 36.16
15
11
10442 Candy Distribution   22 3924 37.55
2
4
10537 Edit Distance Again   22 2541 42.19
4
6
15285 Defend The Rohan   22 1322 43.19
7
10
15609 Spiky Mazes   22 1025 35.17
15
12
16482 Make them equal !   22 2122 52.83
3
9
20775 Roger and tree   22 338 27.57
17
22
27379 Unique Code   22 129 19.68
21
21
32579 Ada and Expenses   22 369 51.16
10
12
35276 Smallest on the Stack   22 907 15.06
11
13
4557 Musical Chairs   23 2484 46.74
9
19
8363 COSTLY CHESS   23 1680 43.21
14
12
10818 Medium Factorization   23 1856 14.46
19
14
15555 Check the coprimeness   23 3257 50.27
3
5
15567 Playing With Balls   23 1774 65.31
2
11
15980 Ascending Fibonacci Numbers   23 805 17.26
17
13
21853 Rivals   23 508 33.76
17
24
235 Very Fast Multiplication   24 1329 27.97
26
22
726 Promotion   24 2095 28.11
12
8
4164 A conjecture of Paul Erdős   24 2560 43.79
16
15
9756 Alaska   24 2935 35.86
5
3
10500 Haybale stacking   24 3892 34.44
9
14
13388 Easy Jug   24 2154 42.03
6
15
14955 Dancing Cows   24 595 24.87
15
22
18297 Problem4   24 540 32.36
18
20
22382 Euler Totient Function Depth   24 389 36.82
15
16
23847 Acm Teams   24 1661 40.36
2
5
26315 Crazy Smoker   24 1351 35.36
4
9
28304 Ada and Teams   24 845 39.26
15
15
365 Phidias   25 1220 47.24
13
21
1027 Fool the Police   25 1648 27.05
18
23
1557 Can you answer these queries II   25 1745 24.99
28
35
1846 Project File Dependencies   25 2148 41.09
14
15
3505 Prime Number Theorem   25 1535 28.12
14
13
3934 Recaman’s Sequence   25 3533 53.87
9
6
4235 Wandering Queen   25 857 14.92
23
19
10395 Sum of divisors!   25 2373 27.03
16
18
11736 Prime Time   25 2159 48.51
11
12
18150 SHAKTIMAN AND KILWISH   25 2817 63.65
3
9
25584 Factorial Modulo   25 419 24.75
10
15
29695 GO GOA GONE   25 886 24.88
12
13
279 Interesting number   26 839 24.21
19
24

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