Bach Khoa Code Challenge #1

8 problems from Bach Khoa Code Challenge #1 (contest 105733), difficulty -. 1/8 solutions verified against sample I/O.

8 items

Bach Khoa Code Challenge #1

Special | 8 problems | 1/8 verified | Difficulty - | 3m 59s

# Problem Rating Tags Accepted Time ✓
A GDSC v\u00e0 BKAC 40s ✓
B Mua k\u1eb9o 35s
C Ch\u1eef s\u1ed1 0 t\u1eadn c\u00f9ng 26s
D X\u1eed l\u00ed \u0111\u1ed3 th\u1ecb 23s
E Data Miner 31s
F L\u1ec5 h\u1ed9i tr\u01b0\u1eddng 37s
G Nu\u00f4i m\u00e8o 23s
H Chia d\u00e3y nh\u1ecb ph\u00e2n 24s
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733H - Chia dãy nhị phân

I’m missing the actual problem statement for Codeforces 105733H - Chia dãy nhị phân, and it isn’t included in your prompt.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733F - Lễ hội trường

I don’t actually have the statement for Codeforces Gym 105733F “Lễ hội trường” in the accessible archive, and it does not appear in the standard mirrored problemset.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733G - Nuôi mèo

I don't have enough information to write a correct editorial for this problem. The prompt only provides the problem title, while the actual statement, input, and output sections are empty. Although I found the original problem page, that only gives the statement.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733E - Data Miner

I can’t reliably write a correct Codeforces editorial for 105733E - Data Miner without the actual problem statement.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733D - Xử lí đồ thị

I can absolutely write that editorial, but I don't have the actual problem statement for Codeforces 105733D. The prompt you provided has empty sections for "Problem Statement", "Input", and "Output", so I don't know what the graph problem is asking.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733A - GDSC và BKAC

Two groups, GDSC and BKAC, are scanning a single string from left to right, character by character. Each group has a fixed target set of letters. GDSC is trying to collect the letters G, D, S, and C. BKAC is trying to collect B, K, A, and C.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733B - Mua kẹo

I can’t produce a correct editorial yet because the actual statement for Codeforces 105733B - Mua kẹo is not present in your prompt, and it is not safely recoverable from the title alone.
codeforces competitive-programming Jun 26, 2026
Practice › Codeforces Solutions › Bach Khoa Code Challenge #1 ›

CF 105733C - Chữ số 0 tận cùng

Absolutely. Please provide the Codeforces problem (either the problem statement, the problem ID/contest number, or a link), and I'll write a comprehensive competitive programming editorial. A typical editorial will include: 1. Problem Restatement - A concise summary of the task.
codeforces competitive-programming Jun 26, 2026