|
USACO 2017 US Open Contest, Bronze Problem 1. The Lost Cow
|
|
1
|
77
|
October 19, 2026
|
|
Intuition for "potential" problems?
|
|
0
|
105
|
October 14, 2026
|
|
Proving the solution for Atcoder arc 193 problem B
|
|
3
|
471
|
October 1, 2026
|
|
Proving Solution Complexity
|
|
0
|
184
|
September 26, 2026
|
|
Very hard math/ad hoc problem AI can't solve
|
|
2
|
665
|
September 6, 2026
|
|
MaxMedian(CF) Why we don't count the number of equals to X?
|
|
1
|
269
|
September 6, 2026
|
|
CSES Task 1628, Meet in the Middle
|
|
2
|
1884
|
August 5, 2026
|
|
Explaining a solution
|
|
0
|
411
|
August 4, 2026
|
|
Alternative O(N) solution for Social Distancing I passes 14/15 — looking for a counterexample or flaw in the approach
|
|
2
|
542
|
July 30, 2026
|
|
Not able to understand editorial of Counting liars
|
|
0
|
343
|
July 26, 2026
|
|
Is an O(n²) prefix/suffix optimization possible for Codeforces 863B (Kayaking)?
|
|
0
|
415
|
July 22, 2026
|
|
Regarding the hard route problem, how can we prove that fixing the meeting point of vertex x with the route will not cause double counting?
|
|
0
|
353
|
July 21, 2026
|
|
https://codeforces.com/problemset/problem/251/A
|
|
1
|
451
|
July 10, 2026
|
|
The hardest problem in Ha Noi City's first elimination round that no one has managed to solve onsite
|
|
2
|
1321
|
July 8, 2026
|
|
Two knights problem
|
|
1
|
1002
|
June 8, 2026
|
|
CSES: Corner Subgrid Check
|
|
1
|
672
|
June 7, 2026
|
|
Silver 2020 Jan Loan Repayment with Binomial Theorem
|
|
4
|
2268
|
April 24, 2026
|
|
How to solve APIO 2019 - street lamps using 2DRQ
|
|
1
|
1278
|
April 17, 2026
|
|
About the listed question
|
|
2
|
653
|
March 31, 2026
|
|
Issue with USACO guide's solution for lasers and mirrors
|
|
2
|
772
|
March 17, 2026
|
|
Need help understand the full solution for problem #3 Purchasing Milk
|
|
3
|
911
|
March 5, 2026
|
|
CSES: All Letter Subgrid Count I
|
|
9
|
2204
|
March 3, 2026
|
|
DNC DP + Mo's at the same time? [Advanced]
|
|
2
|
1052
|
March 3, 2026
|
|
Explanation for subtask #2 in Bronze P3 (2nd contest, 2026)
|
|
3
|
1064
|
February 22, 2026
|
|
Confusion in Completeness of Solution for Platinum 2017 P1: Why Did the Cow Cross the Road (Mincross)
|
|
2
|
947
|
February 17, 2026
|
|
IOI 2013 Dreaming Solution
|
|
4
|
1057
|
February 15, 2026
|
|
Issue in 2017 Gold Problem 3 Modern Art 2 Problem Statement / Official Solution
|
|
4
|
908
|
February 12, 2026
|
|
Can anyone help me with this problem? I have been trying since yesterday
|
|
0
|
696
|
February 8, 2026
|
|
(resolved )2025 silver open problem 3 ski slope fails for all but test case
|
|
2
|
1414
|
February 8, 2026
|
|
What counts as a template in VS code?
|
|
1
|
738
|
February 7, 2026
|