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list of classical problems


ID NAME QUALITY USERS ACC % DIFFICULTY C I
7588 Wise And Miser   69 5399 67.83
8
10
25 Pouring water   100 5411 24.24
19
22
61 Brackets   175 5435 24.41
19
20
1845 Mice and Maze   100 5436 36.05
10
10
10394 Buying Apples!   72 5492 34.86
12
14
3266 K-query   242 5494 24.90
21
25
1163 Java vs C ++   17 5510 22.86
14
5
694 Distinct Substrings   91 5592 26.47
21
24
375 Query on a tree   164 5632 17.55
33
27
23 Pyramids   -20 5639 36.91
9
15
10239 Between the Mountains   36 5789 39.12
7
7
9734 Hacking the random number generator   61 5798 38.90
8
6
10232 Distinct Primes   84 5830 45.48
10
9
247 Chocolate   74 5835 43.81
10
18
13043 The Mirror of Galadriel   33 5937 64.41
2
3
91 Two squares or not two squares   79 6032 24.60
11
14
10286 DOTA HEROES   44 6053 44.96
3
5
1688 A Very Easy Problem!   40 6165 49.22
12
11
21357 Crucial Equation   80 6169 38.07
4
9
2716 Maximal Quadrilateral Area   -1 6232 50.29
3
8
9494 Just Add It   76 6265 47.84
11
10
7169 Pizza   45 6418 29.96
10
8
3693 Maximum Sum   57 6457 42.18
19
18
12150 Just Next !!!   74 6567 23.06
12
11
2906 GCD2   60 6807 36.48
12
11
8001 Fibonacci Sum   179 6835 27.73
19
19
15965 PLAY WITH MATH   60 6859 46.42
4
5
7718 Number of common divisors   86 6923 24.82
12
13
4033 Phone List   151 7007 31.56
16
14
8869 Roti Prata   62 7023 39.57
15
17
9788 Friends of Friends   67 7118 63.23
7
5
6471 Printing some primes   69 7186 28.63
13
11
5699 The last digit re-visited   39 7447 31.68
9
9
6470 Finding the Kth Prime   48 7447 27.27
19
14
4452 Simple Arithmetics II   55 7457 42.38
11
5
9921 ABC Path   160 7522 21.76
15
12
14932 Lowest Common Ancestor   232 7529 29.15
15
15
15 The Shortest Path   156 7544 24.09
17
12
8612 Penney Game   38 7651 67.59
4
3
8061 Christmas Play   57 7742 48.27
6
4
4580 ABCDEF   218 7819 29.22
14
16
12471 DIE HARD   157 7908 38.90
12
14
78 Marbles   68 7951 34.97
15
13
12323 Minimum Knight moves !!!   131 8014 42.22
15
11
8670 THE MAX LINES   29 8016 36.86
4
10
39 Piggy-Bank   140 8115 35.46
14
16
1028 Hubulullu   61 8216 58.76
2
15
1805 Largest Rectangle in a Histogram   226 8259 27.84
18
23
11515 I AM VERY BUSY   151 8385 45.21
9
11
2178 He is offside!   5 8389 50.10
3
4

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