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Trang web này hoạt động tốt nhất khi JavaScript được cho phép.
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Tìm kiếm bài tập
Có lời giải
Hiện dạng bài
Nhóm
Tất cả
---
Children's Codes
Chưa phân loại
Chúc Mừng Sinh Nhật
Contest
Data Structures and Algorithms
Duyên Hải Bắc Bộ
Free Contest
Học Sinh Giỏi
Leetcode
Tin học trẻ
Toán Tin Ứng Dụng
Trại Hè Phương Nam
Dạng bài
Array
Backtracking
Basic
BFS - Breadth First Search
Biconnected Component
Binary Indexed Tree
Binary Search
Binary Search Tree
Binary Tree
Bit Manipulation
Bitmask
Brainteaser
Bucket Sort
Chưa phân loại
Cobinatorics
Concurrency
Counting
Counting Sort
Data Stream
Database
Design
DFS - Depth First Search
Divide and conquer
Doubly-Linked List
DP Digit
DSU
Dynamic Programming
Enumeration
Eulerian Circuit
Fenwick Tree
Game Theory
Geometry
Graph
Greedy
Hard
Hash Function
Hash Table
Heap (Priority Queue)
Interactive
Iterator
Line Sweep
Linked List
Math
Matrix
Medium
Memoization
Merge Sort
Minimum Spanning Tree
Monotonic Queue
Monotonic Stack
Number Theory
Ordered Set
Prefix Sum
Probability and Statistics
Queue
Quickselect
Radix Sort
Randomized
Recursion
Rejection Sampling
Reservoir Sampling
Rolling Hash
Segment Tree
Shell
Shortest Path
Sieve of Eratosthenes
Simulation
Sliding Window
Sorting
Stack
String
String Matching
Strongly Connected Component
Suffix Array
Topological Sort
Tree
Trie
Two Pointer
Union Find
Khoảng điểm
Tìm
Ngẫu nhiên
Những bài tập nổi bật
Same birthday
PowMod function
ID
Bài
Nhóm
Điểm
% AC
# AC
eiuassembly
Assembly line
Data Structures and Algorithms
2,00
100,0%
1
minimum_average_of_smallest_and
Minimum Average of Smallest and Largest Elements
Leetcode
1,00
66,7%
2
minimum_number_game
Minimum Number Game
Leetcode
1,00
100,0%
2
ei2122q1adam2
MATCHING
Data Structures and Algorithms
2,00
100,0%
2
minimum_sum_of_four_digit_number
Minimum Sum of Four Digit Number After Splitting Digits
Leetcode
1,00
100,0%
2
how_many_numbers_are_smaller_tha
How Many Numbers Are Smaller Than the Current Number
Leetcode
1,00
66,7%
2
count_pairs_whose_sum_is_less_th
Count Pairs Whose Sum is Less than Target
Leetcode
1,00
50,0%
1
widest_vertical_area_between_two
Widest Vertical Area Between Two Points Containing No Points
Leetcode
1,00
100,0%
2
minimum_number_of_moves_to_seat
Minimum Number of Moves to Seat Everyone
Leetcode
1,00
66,7%
2
eistock2
Warehouse management
Data Structures and Algorithms
1,00
100,0%
1
eistock
Stock Management
Data Structures and Algorithms
1,00
100,0%
1
eicardsys
Member card management
Data Structures and Algorithms
1,00
100,0%
1
eisch2
Scholarship 2
Data Structures and Algorithms
1,00
50,0%
1
eipowmod2
PowMod function
Data Structures and Algorithms
1,00
50,0%
8
smallest_number
The Smallest Number
Children's Codes
1,00
66,7%
1
lixi
Li Xi
Children's Codes
1,00
66,7%
2
water_tank
Water tank
Children's Codes
1,00
100,0%
4
triangle_triplet
Triangle triplet
Children's Codes
1,00
100,0%
1
abundant_number
Abundant number
Children's Codes
1,00
100,0%
1
practice
Practice
Children's Codes
1,00
100,0%
1
meeting_time
Meeting time
Children's Codes
1,00
80,0%
4
agoj_failing_grade
Lấy tín chỉ
Chưa phân loại
1,00
80,8%
41
agoj_tomau
Đếm số cách tô màu (hard)
Chưa phân loại
1,00
0,0%
0
agoj_substring_ab
Đếm xâu AB
Chưa phân loại
1,00
9,5%
4
agoj_knapsack
Knapsack
Chưa phân loại
1,00
6,3%
1
hello_friends
Hello Friends
Children's Codes
1,00
66,7%
6
measure_water
Measure Water
Children's Codes
1,00
66,7%
4
find_largest_brother_number
Find the "largest brother" number
Children's Codes
1,00
75,0%
3
power_hard
Power - Hard
Children's Codes
1,00
23,8%
4
electrical_outlet
Electrical outlet
Children's Codes
1,00
44,4%
3
prime_factorization
Prime Factorization
Children's Codes
1,00
33,3%
2
number_with_four_divisors
Number with four divisors
Children's Codes
1,00
21,4%
2
div
Ước Số
Trại Hè Phương Nam
1,00
0,0%
0
word
Từ an toàn
Trại Hè Phương Nam
1,00
0,0%
0
eiugrdsa2
Tính điểm môn học
Data Structures and Algorithms
1,00
66,7%
2
eihprofit
The highest profitable product
Data Structures and Algorithms
1,00
75,0%
2
eischsh
Ranking
Data Structures and Algorithms
1,00
100,0%
1
eiugrdsa
Excercise grades
Data Structures and Algorithms
1,00
100,0%
2
eigradu
Graduation
Data Structures and Algorithms
1,00
66,7%
2
frog_and_stones
The frog and Stones
Children's Codes
1,00
50,0%
2
overcoming_trials
Overcoming the Trials
Children's Codes
1,00
71,4%
2
smallest_common_divisor
The smallest common divisor greater than 1
Children's Codes
1,00
83,3%
3
query_sum_1
Query Sum - 1
Children's Codes
1,00
22,2%
2
multiplication_table
Multiplication Table
Children's Codes
1,00
100,0%
4
jack_and_stones
Jack and Stones
Children's Codes
1,00
100,0%
3
distinct_numbers
Distinct Numbers
Children's Codes
1,00
44,8%
9
integer_has_sum_equal_n
The integer whose sum of digits equals N
Children's Codes
1,00
55,6%
5
buying_books
Buying Books
Children's Codes
1,00
33,3%
2
transforming_to_a_palindrome
Transforming to a Palindrome
Children's Codes
1,00
33,3%
2
sum_of_subarray_less_than_x
Sum of subarray less than X
Children's Codes
1,00
40,0%
2
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