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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
ICPC
International Olympiad in Informatics
Japan OI
OI Style
Olympic 30/4
Olympic chuyên KHTN
Olympic Sinh Viên
Tin học trẻ
TST Training
USACO
VNOI Cup
VNOI Marathon
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
A cộng B
ID
Problem ▴
Category
Points
% AC
# AC
m00pair
0 0 Pairs
ICPC
0.17
40.0%
73
lqdxeui
2 xe ủi
ICPC
0.45
64.2%
112
coin34
34 đồng xu
ICPC
0.18
39.9%
253
xoinc
A Coin Game
ICPC
0.57
58.1%
32
post
A cộng B
ICPC
0.01
68.6%
3638
post2
A cộng B version 2
ICPC
1.33
34.1%
103
nka1
A1
OI Style
0.76
38.5%
22
acmnb
ACM
OI Style
0.40
39.9%
907
vnoicup22_final_e
Advanced nickname suggestion system
VNOI Cup
1.20
16.0%
3
atourism
Adventure Tourism
ICPC
1.43
41.7%
5
boss
Ai là sếp
ICPC
0.57
30.9%
45
aladdin
Aladdin
ICPC
0.34
48.8%
85
allow
Allowance
OI Style
0.92
51.4%
11
potato
Ăn khoai
ICPC
0.19
42.6%
89
lis2vn
Another Longest Increasing Subsequence Problem
ICPC
1.20
29.8%
113
mse08g
Another Lucky Numbers
ICPC
0.86
50.0%
5
mtree
Another Tree Problem
ICPC
0.31
41.7%
222
vnoicup22_r3_c
Apple harvesting
VNOI Cup
0.60
9.1%
88
icpc22_regional_a
Aqua
ICPC
1.50
38.4%
24
lem5
ARITHMETIC PROGRESSION
OI Style
0.38
17.2%
82
kl11b
Arnook Defensive Line
ICPC
1.78
20.0%
5
arrays
Arrays
Chưa phân loại
1.50
9.1%
25
ap
Art Plagiarism
ICPC
1.36
6.3%
2
assassin
Assassin Creed
OI Style
1.51
14.9%
13
atcoder_dp_a
Atcoder Educational DP Contest A - Frog 1
Atcoder
0.10
51.0%
2160
atcoder_dp_b
Atcoder Educational DP Contest B - Frog 2
Atcoder
0.20
47.2%
1852
atcoder_dp_c
Atcoder Educational DP Contest C - Vacation
Atcoder
0.25
57.9%
1817
atcoder_dp_d
Atcoder Educational DP Contest D - Knapsack 1
Atcoder
0.30
39.4%
1620
atcoder_dp_e
Atcoder Educational DP Contest E - Knapsack 2
Atcoder
0.30
39.5%
985
atcoder_dp_f
Atcoder Educational DP Contest F - LCS
Atcoder
0.30
39.6%
1160
atcoder_dp_g
Atcoder Educational DP Contest G - Longest Path
Atcoder
0.20
44.6%
921
atcoder_dp_h
Atcoder Educational DP Contest H - Grid 1
Atcoder
0.20
58.1%
1142
atcoder_dp_i
Atcoder Educational DP Contest I - Coins
Atcoder
0.30
52.1%
713
atcoder_dp_j
Atcoder Educational DP Contest J - Sushi
Atcoder
0.50
58.0%
148
atcoder_dp_k
Atcoder Educational DP Contest K - Stones
Atcoder
0.50
49.9%
708
atcoder_dp_l
Atcoder Educational DP Contest L - Deque
Atcoder
0.30
54.0%
532
atcoder_dp_m
Atcoder Educational DP Contest M - Candies
Atcoder
0.40
38.4%
473
atcoder_dp_n
Atcoder Educational DP Contest N - Slimes
Atcoder
0.40
51.6%
509
atcoder_dp_o
Atcoder Educational DP Contest O - Matching
Atcoder
0.30
66.2%
393
atcoder_dp_p
Atcoder Educational DP Contest P - Independent Set
Atcoder
0.30
51.5%
418
atcoder_dp_q
Atcoder Educational DP Contest Q - Flowers
Atcoder
0.20
43.9%
607
atcoder_dp_r
Atcoder Educational DP Contest R - Walk
Atcoder
0.30
61.5%
270
atcoder_dp_s
Atcoder Educational DP Contest S - Digit Sum
Atcoder
0.30
33.8%
394
atcoder_dp_t
Atcoder Educational DP Contest T - Permutation
Atcoder
0.50
68.4%
182
atcoder_dp_u
Atcoder Educational DP Contest U - Grouping
Atcoder
0.35
49.4%
218
atcoder_dp_v
Atcoder Educational DP Contest V - Subtree
Atcoder
0.60
49.6%
114
atcoder_dp_w
Atcoder Educational DP Contest W - Intervals
Atcoder
1.00
50.0%
115
atcoder_dp_x
Atcoder Educational DP Contest X - Tower
Atcoder
1.25
52.1%
193
atcoder_dp_y
Atcoder Educational DP Contest Y - Grid 2
Atcoder
1.45
42.3%
203
atcoder_dp_z
Atcoder Educational DP Contest Z - Frog 3
Atcoder
1.45
42.6%
174
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