Explore
Problems
Contest
Discuss
Interview
Store
YUFENGWANG
Rank
4,544
Community Stats
Views
60
Last week
+4
Solution
1
Last week
0
Discuss
0
Last week
0
Reputation
1
Last week
0
Languages
C++
453
problems solved
Go
426
problems solved
Python3
211
problems solved
Show more
Skills
Advanced
Dynamic Programming
x207
Backtracking
x53
Union Find
x33
Show more
Intermediate
Hash Table
x220
Math
x152
Depth-First Search
x144
Show more
Fundamental
Array
x601
String
x264
Sorting
x139
Show more
Contest Rating
2,144
Level
Knight
Global Ranking
4,651
/360,522
Attended
72
Contest Rating
2,144
Level
Knight
Global Ranking
4,651
/360,522
Attended
72
Solved Problems
1081
Solved
Easy
224
/624
Beats
98.9%
Medium
607
/1358
Beats
99.8%
Hard
250
/570
Beats
99.8%
Badges
2
Most Recent Badge
Knight
692
submissions in the last year
Total active days:
318
Max streak:
24
Current
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Recent AC
Solutions
Discuss
Most Recent
Most Votes
Find Kth Largest XOR Coordinate Value
15 hours ago
Decode XORed Permutation
2 days ago
Find Root of N-Ary Tree
3 days ago
Put Marbles in Bags
3 days ago
Count Collisions of Monkeys on a Polygon
3 days ago
Count Distinct Numbers on Board
3 days ago
XOR Queries of a Subarray
4 days ago
Single Number
5 days ago
Number of Good Paths
7 days ago
Longest Path With Different Adjacent Characters
8 days ago
Binary Tree Maximum Path Sum
9 days ago
Count Nodes With the Highest Score
9 days ago
Minimum Cost to Split an Array
9 days ago
Apply Bitwise Operations to Make Strings Equal
10 days ago
Sort the Students by Their Kth Score
10 days ago