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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7588 Wise And Miser   69 5420 67.82
8
10
25 Pouring water   100 5442 24.24
19
22
1845 Mice and Maze   100 5453 36.07
10
10
61 Brackets   175 5454 24.41
19
20
10394 Buying Apples!   72 5506 34.84
12
14
1163 Java vs C ++   17 5512 22.85
14
5
3266 K-query   243 5627 24.94
21
25
694 Distinct Substrings   91 5628 26.49
21
24
23 Pyramids   -20 5653 36.81
9
15
375 Query on a tree   165 5674 17.54
33
27
10239 Between the Mountains   36 5795 39.13
7
7
9734 Hacking the random number generator   61 5823 38.92
8
6
10232 Distinct Primes   85 5852 45.49
10
9
247 Chocolate   74 5853 43.73
10
18
13043 The Mirror of Galadriel   33 5943 64.42
2
3
91 Two squares or not two squares   79 6040 24.61
11
14
10286 DOTA HEROES   44 6062 44.93
3
5
1688 A Very Easy Problem!   40 6164 49.22
12
11
21357 Crucial Equation   80 6211 38.09
4
9
2716 Maximal Quadrilateral Area   -1 6237 50.24
3
8
9494 Just Add It   76 6295 47.82
11
10
7169 Pizza   45 6419 29.97
10
8
3693 Maximum Sum   58 6482 42.25
19
18
12150 Just Next !!!   74 6581 23.06
12
11
2906 GCD2   60 6812 36.46
12
11
8001 Fibonacci Sum   179 6854 27.75
19
19
15965 PLAY WITH MATH   60 6865 46.44
4
5
7718 Number of common divisors   86 6990 24.80
12
13
4033 Phone List   151 7054 31.58
16
14
8869 Roti Prata   62 7103 39.57
15
17
9788 Friends of Friends   67 7128 63.26
7
5
6471 Printing some primes   70 7325 28.72
13
11
5699 The last digit re-visited   39 7450 31.69
9
9
4452 Simple Arithmetics II   55 7459 42.38
11
5
6470 Finding the Kth Prime   48 7537 27.25
19
14
15 The Shortest Path   157 7574 24.07
17
12
9921 ABC Path   160 7587 21.78
15
12
14932 Lowest Common Ancestor   233 7606 29.13
15
15
8612 Penney Game   38 7703 67.19
4
3
8061 Christmas Play   57 7747 48.27
6
4
4580 ABCDEF   218 7832 29.23
14
16
12471 DIE HARD   157 7921 38.91
12
13
78 Marbles   68 7992 34.95
15
13
8670 THE MAX LINES   29 8023 36.86
4
10
12323 Minimum Knight moves !!!   132 8107 42.31
15
11
39 Piggy-Bank   140 8134 35.45
14
16
1028 Hubulullu   61 8234 58.72
2
15
1805 Largest Rectangle in a Histogram   228 8364 27.98
18
23
2178 He is offside!   5 8399 50.12
3
4
11515 I AM VERY BUSY   151 8428 45.18
9
11

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