1. Classical
  2. Challenge
  3. Partial
  4. Tutorial
  5. Riddle
  6. Basics

list of tutorial problems (unsolved)


ID NAME QUALITY USERS ACC % DIFFICULTY C I
8999 Primo Va Primo Viene   15 35.42
4854 Primo Kripta   25 36.84
10559 PRIMES20   42 54.62
15170 primes triangle (II)   19 39.64
15169 primes triangle (I)   12 519 39.04
19
14
9111 Prime Time   143 35.33
14199 Prime Summation   14 65.52
8621 Prime Permutations (easy)   1 133 56.95
1
34
13392 Prime Or Not   1 177 22.85
9
17
21571 Prime Land and Next Prime number   1 14 17.81
17
9115 Prime Kitties   1 132 48.63
30623 PRIME HEIGHT   0 0.00
8649 Prime game   15 31.82
13757 Prime Factors   3 270 15.30
6
6
11960 Prime Factorization   4 424 22.67
17
17
9654 Prime Count   69 19.23
8360 Prime After N   -1 314 50.40
1
1
8226 PrePrimes   2 19 35.61
17
17
37166 Predicting the spread of viruses (EASY)   2 12 100.00
1
1
8377 PRAYER QUEUE   22 58.54
21392 Prana and The Series   1 45 19.13
17
34
11852 Power with Combinatorics(EASY)   3 90 23.43
26
26
14297 Power of Phi   47 25.86
1
1
22169 Power of matrix   25 1815 25.16
16
14
752 Power it!   11 434 58.48
17
17
19699 Positive   -1 69 80.34
1
1
22892 Position of all-distinct-digits number in base b   206 59.47
34414 Polynomial evaluation   1 11 84.21
25162 Polling   19 45.00
16640 Pokemon Auction   75 63.43
2533 Point Nesting   35 16.93
12071 Point Blank   39 35.29
11247 Plus Within a diamond   1 294 67.95
12072 Playing With Bits   177 54.42
25712 Playing Game is Fun!   2 96 31.71
17
17
15623 Play with Strings   28 52.38
13674 Play with Matrices   38 29.57
4245 Place the Numbers I   9 7.98
25593 Pizza slices   10 43.75
4832 Pitagoras y Fermat   28 35.00
21741 Pipage   86 18.41
1393 Ping Pong Probability   2 242 52.12
1
17
12081 Picture Perfect   1 21 36.71
12078 Picking Weights   10 20.29
10365 PICK UP DROP ESCAPE   400 28.33
1
12
11266 Pick the candies   4 537 35.22
17
17
25274 Photos in a Frame   29 24.29
15247 PETERHOUSE   1 31 48.68
1
1
3252 Persistent Bits   1 34 58.33
17
17
19277 Permutation Cycle Decomposition   25 63.89

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