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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25 Pouring water   100 5368 24.18
19
22
7588 Wise And Miser   69 5375 67.79
8
10
368 Cobbled streets   98 5378 50.77
13
12
10394 Buying Apples!   72 5383 34.91
12
14
1845 Mice and Maze   99 5397 36.03
10
10
61 Brackets   175 5402 24.43
19
20
1163 Java vs C ++   17 5507 22.85
14
5
694 Distinct Substrings   91 5519 26.38
21
24
375 Query on a tree   163 5574 17.52
33
27
23 Pyramids   -20 5608 36.91
9
15
247 Chocolate   74 5745 44.23
10
18
9734 Hacking the random number generator   61 5768 38.82
8
6
10239 Between the Mountains   36 5779 39.11
7
7
10232 Distinct Primes   84 5798 45.47
10
9
13043 The Mirror of Galadriel   33 5923 64.36
2
3
91 Two squares or not two squares   79 6008 24.56
11
14
10286 DOTA HEROES   44 6032 45.01
3
5
21357 Crucial Equation   80 6040 38.23
4
9
1688 A Very Easy Problem!   40 6165 49.23
12
11
9494 Just Add It   76 6224 47.84
11
10
2716 Maximal Quadrilateral Area   -1 6225 50.28
3
8
3693 Maximum Sum   57 6405 42.11
19
18
7169 Pizza   45 6417 29.97
10
8
12150 Just Next !!!   74 6538 23.06
12
11
8001 Fibonacci Sum   178 6782 27.70
19
19
2906 GCD2   60 6792 36.48
12
11
7718 Number of common divisors   86 6819 25.01
12
13
15965 PLAY WITH MATH   60 6838 46.43
4
5
8869 Roti Prata   61 6854 39.83
15
17
4033 Phone List   151 6903 31.48
16
14
6471 Printing some primes   69 7016 28.55
13
11
9788 Friends of Friends   66 7111 63.23
7
5
6470 Finding the Kth Prime   48 7247 27.30
19
14
14932 Lowest Common Ancestor   230 7389 29.17
15
15
9921 ABC Path   159 7414 21.79
15
12
5699 The last digit re-visited   39 7442 31.68
9
9
4452 Simple Arithmetics II   55 7449 42.37
11
5
15 The Shortest Path   156 7493 24.10
17
12
8612 Penney Game   38 7639 67.56
4
3
8061 Christmas Play   57 7730 48.25
6
4
4580 ABCDEF   218 7789 29.21
14
16
12323 Minimum Knight moves !!!   129 7789 42.27
15
11
12471 DIE HARD   157 7876 39.02
12
14
78 Marbles   67 7889 34.96
15
13
8670 THE MAX LINES   29 8011 36.85
4
10
39 Piggy-Bank   139 8090 35.43
14
16
1805 Largest Rectangle in a Histogram   225 8099 27.65
18
23
1028 Hubulullu   60 8202 58.75
2
15
11515 I AM VERY BUSY   151 8320 45.23
9
11
2178 He is offside!   5 8365 50.10
3
4

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