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Random
Hot problems
Arcadia Computing Contest 1 P2 - Chemistry
Arcadia Computing Contest 1 P3 - ScanTron
Singularity Cup P2 - Reverse Substring Partitioning
Arcadia Computing Contest 1 P4 - Cyclic Sorting
Segment Tree Practice 1
Arcadia Computing Contest 1 P5 - Hacking Grades
COCI '13 Contest 2 #5 Paleta
Problem
Category
Points
AC %
Users
A Game
Uncategorized
10
30.1%
378
Longest Increasing Subsequence
Uncategorized
7
29.6%
671
Counting Subsequences
Uncategorized
10
21.9%
335
Educational DP Contest AtCoder A - Frog 1
Uncategorized
7
46.0%
1233
Educational DP Contest AtCoder B - Frog 2
Uncategorized
7
43.2%
902
Educational DP Contest AtCoder C - Vacation
Uncategorized
7
59.8%
871
Educational DP Contest AtCoder D - Knapsack 1
Uncategorized
7
38.5%
1086
Educational DP Contest AtCoder E - Knapsack 2
Uncategorized
7
23.7%
652
Educational DP Contest AtCoder F - LCS
Uncategorized
7
34.9%
524
Educational DP Contest AtCoder G - Longest Path
Uncategorized
10
47.1%
501
Educational DP Contest AtCoder H - Grid 1
Uncategorized
7
43.3%
689
Educational DP Contest AtCoder I - Coins
Uncategorized
10
53.9%
377
Educational DP Contest AtCoder J - Sushi
Uncategorized
12
54.5%
229
Educational DP Contest AtCoder K - Stones
Uncategorized
10
53.4%
467
Educational DP Contest AtCoder L - Deque
Uncategorized
10
54.8%
478
Educational DP Contest AtCoder M - Candies
Uncategorized
12
34.5%
289
Educational DP Contest AtCoder N - Slimes
Uncategorized
12
47.4%
427
Educational DP Contest AtCoder O - Matching
Uncategorized
12
57.3%
373
Educational DP Contest AtCoder P - Independent Set
Uncategorized
12
36.1%
330
Educational DP Contest AtCoder Q - Flowers
Uncategorized
15
50.3%
292
Educational DP Contest AtCoder R - Walk
Uncategorized
15
61.1%
145
Deemo's Problem
Uncategorized
15
13.6%
108
Educational DP Contest AtCoder S - Digit Sum
Uncategorized
12
32.8%
139
Educational DP Contest AtCoder T - Permutation
Uncategorized
15
59.0%
122
Educational DP Contest AtCoder U - Grouping
Uncategorized
15
36.0%
91
Educational DP Contest AtCoder V - Subtree
Uncategorized
20
28.5%
109
Educational DP Contest AtCoder W - Intervals
Uncategorized
20
47.7%
81
Educational DP Contest AtCoder X - Tower
Uncategorized
20
49.8%
72
Educational DP Contest AtCoder Y - Grid 2
Uncategorized
17
32.5%
110
Educational DP Contest AtCoder Z - Frog 3
Uncategorized
20
37.1%
171
Division Queries and Updates
Uncategorized
20p
24.6%
30
Binary Indexed Tree Test
Data Structure Tests
10p
29.0%
777
Disjoint Set Test
Data Structure Tests
10
36.9%
911
Segment Tree Test
Data Structure Tests
15p
15.9%
352
Binary Search Tree Test
Data Structure Tests
15
38.5%
204
Dynamic Tree Test
Data Structure Tests
45
30.7%
38
Dynamic Tree Test (Easy)
Data Structure Tests
25p
31.9%
63
String Test
Data Structure Tests
50
2.2%
2
DS '19 Day 1 P1 - Arithmetic Square
Seasonal
20p
5.4%
1
DS '19 Day 2 P3 Inaho C
Seasonal
35p
14.8%
7
Diagnostic Test '16 Level 1 P1 - StarMath
Uncategorized
3
28.1%
123
Diagnostic Test '16 Level 1 P2 - FaxPrimes
Uncategorized
5
52.7%
116
Diagnostic Test '16 Level 1 P3 - Faxen Words
Uncategorized
5
29.7%
63
Diagnostic Test '16 Level 2 P1 - Polan cannot into space
Uncategorized
3
49.5%
126
Diagnostic Test '16 Level 2 P2 - Gibe clays
Uncategorized
3
33.8%
81
Diagnostic Test '16 Level 2 P3 - Remove Cancer
Uncategorized
3
52.0%
122
DWITE '02 R2 #1 - Sales!
DWITE
5
31.9%
92
DWITE '02 R2 #2 - The Five M's of Stats 101
DWITE
5
31.1%
112
DWITE '02 R2 #3 - The Game of Life
DWITE
7
49.8%
100
DWITE '02 R2 #4 - Money Prize
DWITE
10
38.0%
59
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