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Yan Tong
ytongxx
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68,854
United States
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Languages
Python3
330
problems solved
Java
129
problems solved
C++
69
problems solved
Skills
Advanced
Dynamic Programming
x58
Backtracking
x23
Union Find
x17
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Intermediate
Hash Table
x94
Depth-First Search
x93
Tree
x71
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Fundamental
Array
x240
String
x101
Sorting
x55
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Contest Rating
2,071
Level
Knight
Global Ranking
6,590
/362,085
Attended
12
Contest Rating
2,071
Level
Knight
Global Ranking
6,590
/362,085
Attended
12
Solved Problems
465
Solved
Easy
95
/626
Beats
90.5%
Medium
296
/1364
Beats
97.5%
Hard
74
/571
Beats
96.0%
Badges
2
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Recent AC
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7 days ago
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Decode XORed Permutation
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XOR Queries of a Subarray
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