level5esper
Level 5
Admin Lifetime
level 6 when?
double I Rank
679,129 Power level
Activity
273 activity events in 2026
Jan
Feb
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Difficulty Breakdown
12 problems solved
Recent Activity
Solves, roadmap, White Room, quests & quizzes
Branch predictions Oct 9, 09:13 PM
Domain Incorrect
20 roadmap problems Sep 16, 10:17 AM
Algorithms Completed
White Room check-in Sep 14, 11:06 PM
White Room Completed
2193F. Pizza Delivery Sep 11, 08:01 AM
Quest Completed
998. Maximum Binary Tree II Sep 11, 08:01 AM
Quest Completed
Add to 13 Sep 10, 04:29 AM
Core AC
2207C. Where's My Water? Sep 9, 05:27 PM
Quest Completed
ABC452 G. No-Subsequence Substring Sep 9, 05:27 PM
Quest Completed
2241E. Fair and Square Sep 8, 11:25 PM
Quest Completed
ABC270 H. Apple Baskets on Circle Sep 8, 11:25 PM
Quest Completed
1048. Longest String Chain Sep 8, 11:25 PM
Quest Completed
Removing Digits Sep 7, 07:42 PM
Quest Completed
3319. K-th Largest Perfect Subtree Size in Binary Tree Aug 30, 07:26 AM
Quest Completed
Permutations Aug 30, 07:26 AM
Quest Completed
Harness The Agent Aug 19, 12:22 AM
Domain Incorrect
The Length Ceiling Aug 18, 05:53 PM
Domain Correct
10 quiz questions Aug 17, 10:12 PM
Domain Correct
Not A Feature Aug 17, 09:57 PM
Domain Incorrect
3 quiz questions Aug 17, 06:57 AM
Domain Correct
ABC391 H. Hierarchical Majority Vote Jul 25, 04:11 PM
Quest Completed
Best Solves
Hardest problems solved
#1
Harder 6
Let's Connect! (Hard version)
#2 Normal+ 4
CorrelationTTV (Hard version)
#3 Normal 3.5
The Amazing Race 1
#4 Normal 3
The Answer to the Ultimate Question of Life, the Universe, and Everything
#5 Normal 3
Let's Connect! (Easy version)
#6 Easy+ 2.5
Ouroboros
#7 Easy+ 2
Know your limits. (Hard version)
#8 Easy+ 2
CorrelationTTV (Easy version)
#9 Easy 1.5
It's over for you. (if you can't do this)
#10 Easy 1.5
Know your limits. (Easy version)