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Asia-Pacific Informatics Olympiad
Atcoder
Bedao Contest
Chưa phân loại
COCI
Duyên Hải Bắc Bộ
Dytechlab
Educational
Educational Codeforces
Free Contest
GSPVH
HNOI
HSG Quốc gia
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International Olympiad in Informatics
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Olympic chuyên KHTN
Olympic Sinh Viên
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USACO
VNOI Cup
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VNOI Online
VNUOI
VOJ
Problem types
2 con trỏ
2-satisfiability
Ad hoc (không thuộc thể loại nào)
Aho Corasick
Balanced BST (cây nhị phân cân bằng)
Bao lồi
Bitwise
C++ STL (Heap, Set, Map, ..)
Cặp ghép
Cặp ghép có trọng số
Cặp ghép trên đồ thị thường
Cây khung nhỏ nhất
Chia đôi tập
Chu trình Euler
Chưa phân loại
DFS / BFS
Disjoint set (DSU)
Divide & Conquer (Chia để trị)
Duyệt
Fast Fourier Transform (FFT)
Fenwick Tree (Binary Indexed Tree)
Fenwick Tree 2D
Hashing
Heavy Light Decomposition
Hình học
Interactive
Khử Gauss
KMP
Knuth Optimization
LCA
Luồng
Luồng mincost
Lý thuyết trò chơi - Adhoc
Lý thuyết trò chơi - Grundy
Lý thuyết trò chơi - Nim
Manacher
Mảng cộng dồn
Monotonic Queue
Nhân ma trận
Output Only
Quy hoạch động
Quy hoạch động bao lồi
Quy hoạch động bitmask
Quy hoạch động chữ số
Quy hoạch động thứ tự từ điển
Quy hoạch động trên cây
Rời rạc hóa
Segment Tree (Interval Tree)
Số học
String (xâu nói chung)
Suffix Array / Suffix Automaton / Suffix Tree
Sweep line
Tham lam
Tìm kiếm nhị phân (Binary search)
Tổ hợp
Toán - adhoc
Trie
Xử lý số lớn
Z-function
Đồ thị
Đường đi ngắn nhất - Dijkstra
Đường đi ngắn nhất - Floyd
Point range
Go
Random
Hot problems
Free Contest Testing Round 46 - BCOUNT
Free Contest Testing Round 46 - SORT
ID
Problem
Category ▴
Points
% AC
# AC
bedao_r05_factory
Bedao Regular Contest 05 - FACTORY
Bedao Contest
0.50
12.8%
85
bedao_r05_milo
Bedao Regular Contest 05 - MILO
Bedao Contest
0.10
25.7%
413
bedao_r05_sqrsum
Bedao Regular Contest 05 - SQRSUM
Bedao Contest
1.00
16.1%
2
bedao_r06_exams
Bedao Regular Contest 06 - EXAMS
Bedao Contest
0.20
25.4%
464
bedao_r06_halloween
Bedao Regular Contest 06 - HALLOWEEN
Bedao Contest
0.40
3.8%
8
bedao_r06_icd
Bedao Regular Contest 06 - ICD
Bedao Contest
0.15
51.7%
373
bedao_r06_pmed
Bedao Regular Contest 06 - PMED
Bedao Contest
0.60
3.8%
4
bedao_r06_pyramid2
Bedao Regular Contest 06 - PYRAMID2
Bedao Contest
0.10
16.3%
390
bedao_r06_rewards
Bedao Regular Contest 06 - REWARDS
Bedao Contest
0.50
49.6%
102
bedao_r07_arraygame
Bedao Regular Contest 07 - ARRAYGAME
Bedao Contest
0.85
5.3%
24
bedao_r07_deadline
Bedao Regular Contest 07 - DEADLINE
Bedao Contest
1.00
13.0%
38
bedao_r07_lis
Bedao Regular Contest 07 - LIS
Bedao Contest
0.20
20.9%
418
bedao_r07_mtcat
Bedao Regular Contest 07 - MTCAT
Bedao Contest
0.40
20.7%
231
bedao_r07_number
Bedao Regular Contest 07 - NUMBER
Bedao Contest
0.10
68.7%
1004
bedao_r07_train
Bedao Regular Contest 07 - TRAIN
Bedao Contest
0.50
15.9%
78
bedao_r08_books
Bedao Regular Contest 08 - BOOKS
Bedao Contest
0.15
33.1%
560
bedao_r08_farray
Bedao Regular Contest 08 - FARRAY
Bedao Contest
0.60
8.3%
21
bedao_r08_funfair
Bedao Regular Contest 08 - FUNFAIR
Bedao Contest
0.40
8.5%
173
bedao_r08_kingdom
Bedao Regular Contest 08 - KINGDOM
Bedao Contest
0.50
22.6%
158
bedao_r08_negiko
Bedao Regular Contest 08 - NEGIKO
Bedao Contest
0.30
15.4%
217
bedao_r08_triplet
Bedao Regular Contest 08 - TRIPLET
Bedao Contest
0.20
27.5%
356
bedao_r09_devil
Bedao Regular Contest 09 - DEVIL
Bedao Contest
0.30
7.0%
121
bedao_r09_distinct
Bedao Regular Contest 09 - DISTINCT
Bedao Contest
1.50
11.4%
6
bedao_r09_mnumber
Bedao Regular Contest 09 - MNUMBER
Bedao Contest
0.10
16.6%
527
bedao_r09_riddle
Bedao Regular Contest 09 - RIDDLE
Bedao Contest
0.20
28.1%
346
bedao_r09_sausage
Bedao Regular Contest 09 - SAUSAGE
Bedao Contest
0.40
16.9%
124
bedao_r09_treetravel
Bedao Regular Contest 09 - TREETRAVEL
Bedao Contest
1.30
24.9%
138
bedao_r10_admissions
Bedao Regular Contest 10 - ADMISSIONS
Bedao Contest
0.15
23.7%
349
bedao_r10_battleship
Bedao Regular Contest 10 - BATTLESHIP
Bedao Contest
0.30
13.0%
51
bedao_r10_dogs
Bedao Regular Contest 10 - DOGS
Bedao Contest
0.60
9.2%
33
bedao_r10_hard2
Bedao Regular Contest 10 - HARD2
Bedao Contest
0.70
5.1%
12
bedao_r10_qperm
Bedao Regular Contest 10 - QPERM
Bedao Contest
0.50
26.4%
51
bedao_r10_volunteers
Bedao Regular Contest 10 - VOLUNTEERS
Bedao Contest
0.20
20.4%
336
bedao_r11_abstring
Bedao Regular Contest 11 - ABSTRING
Bedao Contest
0.10
19.7%
211
bedao_r11_candy
Bedao Regular Contest 11 - CANDY
Bedao Contest
1.20
7.2%
7
bedao_r11_evensum
Bedao Regular Contest 11 - EVENSUM
Bedao Contest
0.50
18.8%
136
bedao_r11_fish
Bedao Regular Contest 11 - FISH
Bedao Contest
0.70
8.0%
28
bedao_r11_h2o
Bedao Regular Contest 11 - H2O
Bedao Contest
0.25
25.6%
275
bedao_r11_superqry
Bedao Regular Contest 11 - SUPERQRY
Bedao Contest
1.00
42.0%
46
bedao_r12_3m0j1
Bedao Regular Contest 12 - 3M0J1
Bedao Contest
0.40
17.4%
120
bedao_r12_bfriday
Bedao Regular Contest 12 - BFRIDAY
Bedao Contest
0.55
12.4%
47
bedao_r12_fa
Bedao Regular Contest 12 - FA
Bedao Contest
0.90
2.7%
2
bedao_r12_gen
Bedao Regular Contest 12 - GEN
Bedao Contest
0.30
17.6%
309
bedao_r12_papalind
Bedao Regular Contest 12 - PAPALIND
Bedao Contest
0.75
5.0%
19
bedao_r12_xorperm
Bedao Regular Contest 12 - XORPERM
Bedao Contest
0.60
14.6%
7
bedao_r13_2048
Bedao Regular Contest 13 - 2048
Bedao Contest
0.50
10.5%
68
bedao_r13_delchar
Bedao Regular Contest 13 - DELCHAR
Bedao Contest
0.20
27.3%
350
bedao_r13_eval
Bedao Regular Contest 13 - EVAL
Bedao Contest
0.70
18.3%
19
bedao_r13_gcd
Bedao Regular Contest 13 - GCD
Bedao Contest
0.30
9.8%
192
bedao_r13_xorqry
Bedao Regular Contest 13 - XORQRY
Bedao Contest
0.40
21.8%
110
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