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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
16420 Even Numbers   40 5279 48.05
6
5
10380 prayatna PR   86 5303 43.08
6
6
28352 Friend Zoned   17 291 63.72
6
12
31290 Math is Love   16 1215 41.15
6
5
9387 Special String   11 1113 39.63
6
19
14441 Three Circle Problem (EASY)   13 2025 55.69
6
14
15437 Tambourine   9 1497 49.95
6
2
25311 Candies   9 1096 35.86
6
7
1728 Common Permutation   26 4201 46.71
6
6
42 Adding Reversed Numbers   103 88628 48.70
6
4
19786 Mr Toothless and His GCD Operation   7 392 30.81
6
9
25131 Largest Odd Divisor   17 1438 33.60
6
7
27196 Study Room   6 444 52.32
6
8
27267 Changus Final Battle   8 266 54.72
6
16
30347 Runner Game   5 261 31.22
6
19
33795 Taskin and apple tree   8 322 27.49
6
6
34011 Jalil Got TLE   12 527 26.11
6
8
8061 Christmas Play   57 7793 48.26
6
4
14888 Good Predictions   17 1104 42.54
6
10
11 Factorial   175 60727 45.14
6
12
870 Basically Speaking   7 1449 43.96
6
6
1699 Numeral System   13 2248 67.37
6
3
9503 Working in Beijing   3 645 49.07
6
6
9569 Sum of Pairwise Products   7 841 31.50
6
13
10416 Van Helsings gun   3 1445 54.45
6
15
11383 Fast Sum of two to an exponent   1 1067 30.24
6
3
12734 Seating Arrangement   7 165 60.52
6
15
22560 Valid Path   6 67 35.74
6
8
25585 Hablu Wants to Buy   2 1000 55.67
6
7
28286 Archery Training   7 182 33.13
6
13
5976 Traversing Grid   30 3721 58.56
6
10
8132 Street Trees   33 3081 47.00
6
11
26607 CODER FIRST PROBLEM   34 1378 56.53
6
7
16121 MODIFY SEQUENCE   26 2380 48.49
6
7
18174 REAL ROOTS   15 1287 60.04
6
12
36670 Bipartite Permutation   14 370 46.34
6
15
2149 Biased Standings   21 3684 33.67
5
5
6556 N DIV PHI_N   14 749 38.38
5
26
9034 Help Tohu   12 2317 45.36
5
23
9952 111…1 Squared   8 1793 46.40
5
10
32235 SOLVEIT   10 346 25.88
5
11
34007 Adrita and Marbles   5 229 47.45
5
6
37474 Shuffling Problem   9 106 23.06
5
8
1744 Evaluate the polynomial   19 2638 48.77
5
7
30893 Sabbir and Game   14 810 34.45
5
8
8785 Cut the Silver Bar   52 5382 54.42
5
16
45 Commedia dell Arte   2 251 32.28
5
26
869 Galactic Import   3 142 45.76
5
5
1440 Use of Function Arctan   4 543 29.24
5
26
1802 Edge   3 420 59.75
5
9

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