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Asia-Pacific Informatics Olympiad
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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, ..)
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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
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Random
Hot problems
Free Contest Testing Round 46 - BCOUNT
Atcoder Educational DP Contest C - Vacation
Olympic 30/4 2018 - Khối 11 - Bài 1 - Tần suất
Xây dựng thành phố
Atcoder Educational DP Contest B - Frog 2
Đến trường
Tìm số nguyên tố
ID
Problem
Category
Points
% AC
# AC
▴
secondthread_tree_lorax
The Lorax
Educational
0.70
60.2%
51
secondthread_tree_richtree
Filthy Rich Trees
Educational
0.70
33.3%
52
errichto_matexp_minpath
Matrix Exponentiation - Min Path
Educational
0.80
39.3%
107
errichto_matexp_stringmood
Matrix Exponentiation - String Mood
Educational
0.50
63.8%
253
errichto_matexp_linearrecsequenc
Matrix Exponentiation - Recurrence With Square
Educational
0.70
45.0%
66
errichto_matexp_cntpath
Matrix Exponentiation - Count path
Educational
0.40
60.9%
236
bedao_m07_rate
Bedao Mini Contest 07 - RATE
Bedao Contest
0.14
30.9%
214
bedao_m07_puzzle
Bedao Mini Contest 07 - PUZZLE
Bedao Contest
0.80
10.6%
19
bedao_m07_market
Bedao Mini Contest 07 - MARKET
Bedao Contest
0.30
12.3%
115
bedao_m07_architect
Bedao Mini Contest 07 - ARCHITECT
Bedao Contest
0.50
11.2%
22
bedao_m07_loga
Bedao Mini Contest 07 - LOGA
Bedao Contest
0.20
24.9%
161
cf_edu2e
Codeforces Educational 2E - Lomsat gelral
Educational Codeforces
0.60
39.4%
119
cf_edu3d
Codeforces Educational 3D - Gadgets for dollars and pounds
Educational Codeforces
0.40
31.8%
61
cf_edu2c
Codeforces Educational 2C - Make Palindrome
Educational Codeforces
0.20
47.1%
131
cf_edu2f
Codeforces Educational 2F - Edge coloring of bipartite graph
Educational Codeforces
1.00
42.6%
25
icpc21_beta_a
ICPC Practice Contest 2021 - A Classic Problem
ICPC
1.80
7.1%
36
cf_edu1d
Codeforces Educational 1D - Igor In The Museum
Educational Codeforces
0.30
29.6%
207
cf_edu2d
Codeforces Educational 2D - Area of Two Circles' Intersection
Educational Codeforces
0.40
30.8%
44
cf_edu3e
Codeforces Educational 3E- Minimum spanning tree for each edge
Educational Codeforces
0.60
44.1%
100
cf_edu3c
Codeforces Educational 3C - Load Balacing
Educational Codeforces
0.30
32.4%
76
cf_edu1c
Codeforces Educational 1C - Nearest Vectors
Educational Codeforces
0.70
30.8%
103
cf_edu3f
Codeforces Educational 3F - Frogs and mosquitoes
Educational Codeforces
0.70
32.5%
33
bedao_r03_wordgame
Bedao Regular Contest 03 - WORDGAME
Bedao Contest
0.15
22.0%
294
bedao_r03_3numbers
Bedao Regular Contest 03 - 3 NUMBERS
Bedao Contest
0.20
19.1%
105
bedao_r03_protect
Bedao Regular Contest 03 - PROTECT
Bedao Contest
0.80
24.5%
37
bedao_r03_prime
Bedao Regular Contest 03 - PRIME
Bedao Contest
0.40
29.7%
231
bedao_r03_race
Bedao Regular Contest 03 - RACE
Bedao Contest
0.60
28.5%
33
bedao_r03_kindness
Bedao Regular Contest 03 - KINDNESS
Bedao Contest
0.10
13.3%
175
cf_edu1e
Codeforces Educational 1E - Chocolate Bar
Educational Codeforces
0.40
41.9%
119
bedao_m08_checkarray
Bedao Mini Contest 08 - CHECKARRAY
Bedao Contest
0.10
43.1%
419
bedao_m08_wordsearch
Bedao Mini Contest 08 - WORDSEARCH
Bedao Contest
0.20
24.4%
135
bedao_m08_triangle
Bedao Mini Contest 08 - TRIANGLE
Bedao Contest
0.30
19.6%
128
bedao_m08_boilegg
Bedao Mini Contest 08 - BOILEGG
Bedao Contest
0.15
28.8%
366
bedao_m08_pairs
Bedao Mini Contest 08 - PAIRS
Bedao Contest
0.60
6.5%
74
hello22_subsq
Bedao SUBSEQUENCE Hay Không? Hay Hay
Bedao Contest
0.50
46.9%
173
hello22_permsort
Bedao PERMSORT Hay Không? Hay Hay
Bedao Contest
1.20
22.0%
59
hello22_prom
Bedao PROM Hay Không? Hay Hay
Bedao Contest
0.10
36.2%
560
hello22_maxval
Bedao MAXVALUE Hay Không? Hay Hay
Bedao Contest
0.20
17.0%
275
hello22_lostboard
Bedao LOSTBOARD Hay Không? Hay Hay
Bedao Contest
1.20
25.6%
37
hello22_schoolplan
Bedao SCHOOLPLAN Hay Không? Hay Hay
Bedao Contest
1.30
11.6%
32
hello22_jigsaw
Bedao L-JIGSAW Hay Không? Hay Hay
Bedao Contest
1.80
68.8%
64
hello22_flowers
Bedao FLOWERS Hay Không? Hay Hay
Bedao Contest
0.30
33.8%
378
bedao_r04_marble
Bedao Regular Contest 04 - MARBLE
Bedao Contest
0.30
4.5%
43
bedao_r04_clown
Bedao Regular Contest 04 - CLOWN AND BALLS
Bedao Contest
0.50
6.8%
12
bedao_r04_magic
Bedao Regular Contest 04 - MAGIC
Bedao Contest
0.30
18.7%
104
bedao_r04_accio
Bedao Regular Contest 04 - ACCIO
Bedao Contest
0.20
19.0%
120
bedao_r04_simple
Bedao Regular Contest 04 - SIMPLE
Bedao Contest
0.10
56.0%
481
bedao_r04_loglcm
Bedao Regular Contest 04 - LOG LCM
Bedao Contest
0.60
4.6%
6
bedao_m09_cntdiff
Bedao Mini Contest 09 - CNTDIFF
Bedao Contest
0.30
29.7%
326
bedao_m09_bracket
Bedao Mini Contest 09 - BRACKET
Bedao Contest
0.40
53.7%
256
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