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Asia-Pacific Informatics Olympiad
Atcoder
Bedao Contest
Chưa phân loại
COCI
Duyên Hải Bắc Bộ
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
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Random
Hot problems
Bedao Regular Contest 08 - BOOKS
Bedao Regular Contest 08 - TRIPLET
Bedao Regular Contest 08 - FUNFAIR
Bedao Regular Contest 08 - NEGIKO
Bedao Regular Contest 08 - KINGDOM
ID
Problem ▴
Category
Points
% AC
# AC
m00pair
0 0 Pairs
ICPC
0.17
44.6%
55
lqdxeui
2 xe ủi
ICPC
0.45
66.4%
84
coin34
34 đồng xu
ICPC
0.18
40.6%
206
xoinc
A Coin Game
ICPC
0.57
65.3%
26
post
A cộng B
ICPC
0.01
70.7%
2508
post2
A cộng B version 2
ICPC
1.33
33.5%
81
nka1
A1
OI Style
0.76
40.0%
15
acmnb
ACM
OI Style
0.40
40.1%
694
vnoicup22_final_e
Advanced nickname suggestion system
VNOI Cup
1.20
16.7%
3
atourism
Adventure Tourism
ICPC
1.43
41.7%
5
boss
Ai là sếp
ICPC
0.57
29.8%
35
aladdin
Aladdin
ICPC
0.34
50.7%
60
allow
Allowance
OI Style
0.92
39.3%
9
potato
Ăn khoai
ICPC
0.19
50.0%
70
lis2vn
Another Longest Increasing Subsequence Problem
ICPC
1.20
23.0%
69
mse08g
Another Lucky Numbers
ICPC
0.86
75.0%
5
mtree
Another Tree Problem
ICPC
0.31
41.6%
179
vnoicup22_r3_c
Apple harvesting
VNOI Cup
0.60
10.6%
87
lem5
ARITHMETIC PROGRESSION
OI Style
0.38
18.9%
60
kl11b
Arnook Defensive Line
ICPC
1.78
85.7%
2
arrays
Arrays
Chưa phân loại
1.50
9.3%
25
ap
Art Plagiarism
ICPC
1.36
6.8%
2
assassin
Assassin Creed
OI Style
1.51
13.2%
4
atcoder_dp_a
Atcoder Educational DP Contest A - Frog 1
Atcoder
0.10
50.4%
1588
atcoder_dp_b
Atcoder Educational DP Contest B - Frog 2
Atcoder
0.20
46.4%
1354
atcoder_dp_c
Atcoder Educational DP Contest C - Vacation
Atcoder
0.25
58.1%
1316
atcoder_dp_d
Atcoder Educational DP Contest D - Knapsack 1
Atcoder
0.30
41.0%
1166
atcoder_dp_e
Atcoder Educational DP Contest E - Knapsack 2
Atcoder
0.30
40.9%
741
atcoder_dp_f
Atcoder Educational DP Contest F - LCS
Atcoder
0.30
41.6%
848
atcoder_dp_g
Atcoder Educational DP Contest G - Longest Path
Atcoder
0.20
44.7%
684
atcoder_dp_h
Atcoder Educational DP Contest H - Grid 1
Atcoder
0.20
56.8%
811
atcoder_dp_i
Atcoder Educational DP Contest I - Coins
Atcoder
0.30
53.5%
539
atcoder_dp_j
Atcoder Educational DP Contest J - Sushi
Atcoder
0.50
61.6%
116
atcoder_dp_k
Atcoder Educational DP Contest K - Stones
Atcoder
0.50
50.6%
491
atcoder_dp_l
Atcoder Educational DP Contest L - Deque
Atcoder
0.30
55.0%
421
atcoder_dp_m
Atcoder Educational DP Contest M - Candies
Atcoder
0.40
38.6%
348
atcoder_dp_n
Atcoder Educational DP Contest N - Slimes
Atcoder
0.40
52.5%
364
atcoder_dp_o
Atcoder Educational DP Contest O - Matching
Atcoder
0.30
66.5%
300
atcoder_dp_p
Atcoder Educational DP Contest P - Independent Set
Atcoder
0.30
54.2%
302
atcoder_dp_q
Atcoder Educational DP Contest Q - Flowers
Atcoder
0.20
47.5%
464
atcoder_dp_r
Atcoder Educational DP Contest R - Walk
Atcoder
0.30
62.8%
198
atcoder_dp_s
Atcoder Educational DP Contest S - Digit Sum
Atcoder
0.30
37.2%
285
atcoder_dp_t
Atcoder Educational DP Contest T - Permutation
Atcoder
0.50
69.3%
126
atcoder_dp_u
Atcoder Educational DP Contest U - Grouping
Atcoder
0.35
58.5%
155
atcoder_dp_v
Atcoder Educational DP Contest V - Subtree
Atcoder
0.60
46.9%
84
atcoder_dp_w
Atcoder Educational DP Contest W - Intervals
Atcoder
1.00
50.0%
83
atcoder_dp_x
Atcoder Educational DP Contest X - Tower
Atcoder
1.25
49.7%
141
atcoder_dp_y
Atcoder Educational DP Contest Y - Grid 2
Atcoder
1.45
42.6%
137
atcoder_dp_z
Atcoder Educational DP Contest Z - Frog 3
Atcoder
1.45
39.9%
130
icpc21_regional_a
Awesome MST Problem
ICPC
1.90
5.1%
2
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