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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
25 Pouring water   100 5351 24.15
19
22
7588 Wise And Miser   69 5368 67.81
8
10
368 Cobbled streets   98 5376 50.76
13
12
10394 Buying Apples!   72 5379 34.92
12
14
1845 Mice and Maze   99 5380 36.02
10
10
61 Brackets   175 5394 24.43
19
20
1163 Java vs C ++   17 5505 22.85
14
5
694 Distinct Substrings   91 5511 26.37
21
24
375 Query on a tree   163 5564 17.52
33
27
23 Pyramids   -20 5599 36.93
9
15
247 Chocolate   74 5727 44.28
10
18
9734 Hacking the random number generator   61 5748 38.84
8
6
10239 Between the Mountains   36 5777 39.11
7
7
10232 Distinct Primes   83 5790 45.52
10
9
13043 The Mirror of Galadriel   33 5909 64.50
2
3
91 Two squares or not two squares   79 6000 24.55
11
14
21357 Crucial Equation   79 6014 38.18
4
9
10286 DOTA HEROES   44 6027 45.00
3
5
1688 A Very Easy Problem!   40 6162 49.24
12
11
9494 Just Add It   76 6214 47.86
11
10
2716 Maximal Quadrilateral Area   -1 6221 50.28
3
8
3693 Maximum Sum   57 6383 42.08
19
18
7169 Pizza   46 6414 29.97
10
8
12150 Just Next !!!   74 6536 23.09
12
11
8869 Roti Prata   61 6764 39.87
15
17
8001 Fibonacci Sum   178 6771 27.70
19
19
2906 GCD2   60 6790 36.49
12
11
7718 Number of common divisors   86 6791 25.01
12
13
15965 PLAY WITH MATH   60 6829 46.44
4
5
4033 Phone List   150 6842 31.39
16
14
6471 Printing some primes   68 6944 28.56
13
12
9788 Friends of Friends   66 7109 63.23
7
5
6470 Finding the Kth Prime   48 7182 27.30
19
14
14932 Lowest Common Ancestor   230 7358 29.15
15
15
9921 ABC Path   159 7383 21.77
15
12
5699 The last digit re-visited   39 7440 31.68
9
9
4452 Simple Arithmetics II   55 7447 42.37
11
5
15 The Shortest Path   156 7472 24.10
17
12
8612 Penney Game   38 7632 67.55
4
3
12323 Minimum Knight moves !!!   129 7721 42.27
15
11
8061 Christmas Play   57 7725 48.25
6
4
4580 ABCDEF   218 7780 29.21
14
16
12471 DIE HARD   157 7858 39.07
12
14
78 Marbles   67 7872 34.96
15
13
8670 THE MAX LINES   29 8008 36.85
4
10
1805 Largest Rectangle in a Histogram   223 8075 27.62
18
23
39 Piggy-Bank   139 8084 35.46
14
16
1028 Hubulullu   60 8199 58.76
2
15
11515 I AM VERY BUSY   151 8303 45.20
9
11
2178 He is offside!   5 8353 50.10
3
4

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