La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021

12 problems from La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 (contest 103811), difficulty -. 1/12 solutions verified against sample I/O.

12 items

La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021

Special | 12 problems | 1/12 verified | Difficulty - | 8m 21s

# Problem Rating Tags Accepted Time ✓
A Allowance Exhaustion 32s
B Boat Assignment 27s
C Copy of the String 30s
D Double Queue 35s
E Escape the Cube 32s
F Furthest Travel 30s
G Gold Medal Bout 31s
H How to Get Rice 28s
I Inno Per Gli Sconfitti 44s
J Just Skip It 59s ✓
K Kario Mart 28s
L Lockout 2m 5s
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811L - Lockout

Let the contribution of a minterm corresponding to an assignment $x1 ldots xn$ be $$C(x1,ldots,xn)=prod{i=1}^n (1-pi)^{1-xi}pi^{xi}.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811J - Just Skip It

We are given a probabilistic system that simulates what happens when Justin clicks on a video. Each time he enters or refreshes the page, exactly one of several outcomes occurs according to fixed probabilities.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811K - Kario Mart

The problem statement is missing in your prompt (the Input/Output sections are empty), so there isn’t enough information to reconstruct what “Kario Mart” is asking.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811I - Inno Per Gli Sconfitti

I can’t write a correct, meaningful editorial for this problem yet because the actual statement of Codeforces 103811I - Inno Per Gli Sconfitti is not reliably available from the information provided, and the version that appears in search results is inconsistent and clearly…
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811G - Gold Medal Bout

I can’t reliably reconstruct Codeforces 103811G - Gold Medal Bout from the ID alone, and I don’t want to invent a problem statement and accidentally write a convincing but wrong editorial. Please paste the full problem statement (or even a screenshot / text dump).
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811H - How to Get Rice

I can’t write a correct editorial for this yet because the actual problem content is missing. Right now the prompt only includes the title and empty “Problem Statement / Input / Output” sections, but nothing describing the rules, constraints, or what “getting rice”…
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811D - Double Queue

I can’t reliably write an editorial for Codeforces 103811D - Double Queue without the actual problem statement.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811E - Escape the Cube

I’m missing the actual problem statement for Codeforces 103811E - Escape the Cube, and without it I can’t reliably reconstruct the intended solution or write a correct editorial.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811F - Furthest Travel

I can’t reliably write a correct editorial for Codeforces 103811F - Furthest Travel because the actual problem statement (graph/array rules, constraints, and what “travel” means here) is missing from your prompt.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811A - Allowance Exhaustion

I don’t have the actual problem statement for Codeforces 103811A - Allowance Exhaustion in your message, so I can’t safely reconstruct the solution or write a correct editorial without risking inventing details.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811C - Copy of the String

I can’t write a correct, detailed editorial for this problem yet because the actual problem statement is missing from your prompt.
codeforces competitive-programming Jul 2, 2026
Practice › Codeforces Solutions › La Salle-Pui Ching Programming Challenge 培正喇沙編程挑戰賽 2021 ›

CF 103811B - Boat Assignment

The problem statement for Codeforces 103811B - Boat Assignment is not included in your prompt, so I don’t have the actual rules, input format, or required output to base an editorial on.
codeforces competitive-programming Jul 2, 2026