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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
9117 Faculty Dividing Powers   11 369 22.52
17
17
9387 Special String   11 1102 39.56
6
19
10405 Shooting the balloons!   11 333 35.93
23
27
11374 Database   11 1988 34.57
6
6
11409 Fibonacci With a Twist   11 1007 31.27
15
20
11476 Weird Points   11 179 27.84
22
27
12005 Grass Planting   11 552 44.86
29
19
13165 Totient in permutation (easy)   11 283 20.88
17
17
13447 Crayon   11 132 26.20
24
28
13875 Knifes Are Fun   11 1292 43.31
3
7
14697 Loop Expectation   11 666 49.16
14
22
14971 The Foxens Treasure   11 229 36.93
14
16
15438 Valences   11 1266 41.60
4
7
15627 Create Collections   11 1606 33.64
9
9
15634 Lennys Lucky Lotto Lists   11 227 34.38
7
14
16184 Megatron and his rage   11 1113 32.34
9
9
18247 Arrangement Validity   11 216 36.18
17
21
18467 A Brief Expedition   11 273 54.12
15
15
18945 Car with powers   11 303 29.67
23
20
20172 Divisiblity by 3   11 583 30.49
14
10
23237 Feast Coins   11 100 40.94
19
17
25779 Cinema Conundrum   11 121 36.14
10
10
26319 I LOVE Kd-TREES   11 217 42.36
20
25
26348 K NUMBERS   11 279 38.09
9
9
26445 Alicias Afternoon Amble   11 188 56.99
20
26
26778 NO GCD   11 102 22.53
29
38
26954 k Alternating Sum   11 74 33.07
23
26
27319 Mangu Numbers   11 107 37.39
19
23
28163 OR   11 127 21.76
20
20
28288 Super Amoeba   11 198 37.65
18
16
28449 Ada and List   11 315 22.07
14
17
28451 Ada and Cities   11 146 26.72
21
19
28597 Guess the Queue   11 195 25.74
17
17
28632 Ghost Town   11 270 40.76
23
10
29363 How many can you sort?   11 78 47.90
10
10
29431 Counting WOW-Substrings   11 130 37.97
11
19
30787 Ada and Aphids   11 198 30.80
27
26
31341 Just One Swap   11 175 27.98
11
12
32086 The Permutation Game Again   11 159 43.89
10
13
32192 SUMMATION   11 494 22.03
7
10
32199 Ada and Cherry   11 156 35.89
14
22
32257 Apoorv and Math problem   11 148 15.06
29
16
34275 Game Store   11 207 48.10
5
6
34377 Digit Subsequence   11 252 36.03
7
11
34682 Good Elements   11 142 29.21
8
6
34923 Hack the Password   11 379 22.01
12
8
34945 Euler Puzzle   11 135 38.39
8
17
35295 zig-zag on the golden river   11 120 22.49
9
15
36531 Empanadas   11 75 53.69
4
11
40083 Just Primes   11 113 29.57
15
17

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