Danh sách bài

Mã bài tập	Tên bài	OJ
CF_1250_I	Show Must Go On Duyệt	Codeforces
CF_1250_M	SmartGarden Divide & Conquer (Chia để trị), Constructive	Codeforces
CF_1251_D	Salary Changing Tìm kiếm nhị phân (Binary search), Tham lam	Codeforces
CF_1251_E1	Voting (Easy Version) Tham lam	Codeforces
CF_1251_E2	Voting (Hard Version) C++ STL (Heap, Set, Map, ...), Tham lam	Codeforces
CF_1251_F	Red-White Fence Fast Fourier Transform (FFT), Tổ hợp	Codeforces
CF_1252_B	Cleaning Robots Quy hoạch động trên cây, Tổ hợp	Codeforces
CF_1252_D	Find String in a Grid Segment Tree (Interval Tree), Trie, Suffix Array / Suffix Automaton / Suffix Tree, Tìm kiếm nhị phân (Binary search), Sweep line, Aho Corasick, Gộp set (Small to Large), Xử lý offline	Codeforces
CF_1252_E	Songwriter Tham lam	Codeforces
CF_1252_F	Regular Forestation DFS / BFS, Hashing, Centroid, Tree isomorphism (Cây đồng dạng)	Codeforces
CF_1252_G	Performance Review Segment Tree (Interval Tree)	Codeforces
CF_1252_H	Twin Buildings Tham lam, Toán - adhoc	Codeforces
CF_1252_J	Tiling Terrace Quy hoạch động	Codeforces
CF_1252_K	Addition Robot Segment Tree (Interval Tree), Nhân ma trận	Codeforces
CF_1252_L	Road Construction DFS / BFS, Luồng, Luồng mincost, Luồng cận dưới	Codeforces
CF_1253_D	Harmonious Graph Tham lam, Disjoint set (DSU), Toán - adhoc	Codeforces
CF_1253_F	Cheap Robot Đường đi ngắn nhất - Dijkstra, Cây khung nhỏ nhất, LCA, Disjoint set (DSU)	Codeforces
CF_1254_B1	Send Boxes to Alice (Easy Version) Số học, Tham lam, Constructive, Toán - adhoc, Cài đặt	Codeforces
CF_1254_B2	Send Boxes to Alice (Hard Version) Số học, Tham lam, 2 con trỏ, Constructive, Toán - adhoc, Cài đặt	Codeforces
CF_1254_C	Point Ordering Hình học, Interactive	Codeforces
CF_1254_D	Tree Queries Heavy Light Decomposition, Tìm kiếm nhị phân (Binary search), Fenwick Tree (Binary Indexed Tree), Chia 2 cách làm, Xác suất	Codeforces
CF_1254_E	Send Tree to Charlie Quy hoạch động trên cây, Tổ hợp, LCA, Disjoint set (DSU)	Codeforces
CF_1255_D	Feeding Chicken Tham lam, Constructive, Cài đặt	Codeforces
CF_1255_E1	Send Boxes to Alice (Easy Version) Duyệt, Tham lam, Toán - adhoc, Cài đặt	Codeforces
CF_1256_C	Platforms Jumping Tham lam, Cài đặt	Codeforces
CF_1256_E	Yet Another Division Into Teams Segment Tree (Interval Tree), Quy hoạch động, Tham lam, Fenwick Tree (Binary Indexed Tree), Cài đặt	Codeforces
CF_1256_F	Equalizing Two Strings Constructive, Cài đặt	Codeforces
CF_1257_D	Yet Another Monster Killing Problem Tham lam, Cài đặt	Codeforces
CF_1257_E	The Contest Quy hoạch động	Codeforces
CF_1257_F	Make Them Similar Hashing, Duyệt, Chia đôi tập / Meet in the middle, Bitwise	Codeforces
CF_1257_G	Divisor Set C++ STL (Heap, Set, Map, ...), Số học, Divide & Conquer (Chia để trị), Fast Fourier Transform (FFT)	Codeforces
CF_1260_E	Tournament Tham lam	Codeforces
CF_1260_F	Colored Tree Segment Tree (Interval Tree), Fenwick Tree (Binary Indexed Tree), Centroid, Toán - adhoc	Codeforces
CF_1261_C	Arson In Berland Forest DFS / BFS, Tìm kiếm nhị phân (Binary search), Tham lam	Codeforces
CF_1261_D1	Wrong Answer on test 233 (Easy Version) Tổ hợp, Quy hoạch động đếm	Codeforces
CF_1261_D2	Wrong Answer on test 233 (Hard Version) Fast Fourier Transform (FFT), Tổ hợp, Toán - adhoc	Codeforces
CF_1261_E	Not Same Constructive	Codeforces
CF_1261_F	Xor-Set Trie, Sweep line, Bitwise, Toán - adhoc	Codeforces
CF_1263_E	Editor Segment Tree (Interval Tree)	Codeforces
CF_1263_F	Economic Difficulties DFS / BFS, Luồng, Quy hoạch động trên cây, LCA, Euler tour trên cây	Codeforces
CF_1264_C	Beautiful Mirrors with queries C++ STL (Heap, Set, Map, ...), Xác suất	Codeforces
CF_1264_D1	Beautiful Bracket Sequence (easy version) Quy hoạch động, Quy hoạch động đếm	Codeforces
CF_1264_D2	Beautiful Bracket Sequence (hard version) Tổ hợp	Codeforces
CF_1264_E	Beautiful League Luồng mincost	Codeforces
CF_1265_D	Beautiful Sequence Tham lam, Constructive, Toán - adhoc	Codeforces
CF_1266_D	Decreasing Debts Đồ thị	Codeforces
CF_1266_E	Spaceship Solitaire Tham lam	Codeforces
CF_1266_F	Almost Same Distance DFS / BFS, Quy hoạch động	Codeforces
CF_1267_A	Apprentice Learning Trajectory Tham lam	Codeforces
CF_1267_F	Foolprüf Security Constructive	Codeforces