Codeforces Beta Round 93 (Div. 1 Only)

Solutions for Codeforces Beta Round 93 (Div. 1 Only) (contest 126). 2/2 problems verified against sample I/O. Difficulty range: 1700-1900.

2 items

Codeforces Beta Round 93 (Div. 1 Only)

Type: Div. 1 | Problems: 2 | Verified: 2/2 | Rating range: 1700-1900 | Time: 4m 5s

Problem Name Rating Tags Solve Time Verified
A Hot Bath 1900 binary-search, brute-force, math 2m 1s ✓
B Password 1700 binary-search, dp, hashing 2m 4s ✓
Practice › Codeforces Solutions › Codeforces Beta Round 93 (Div. 1 Only) ›

CF 126A - Hot Bath

We are asked to mix hot and cold water to achieve a target bath temperature as close as possible to a given value, while filling the bath as quickly as possible.
codeforces competitive-programming binary-search brute-force math May 28, 2026
Practice › Codeforces Solutions › Codeforces Beta Round 93 (Div. 1 Only) ›

CF 126B - Password

We are given a single lowercase string and need to find the longest string that satisfies three conditions at the same time. The chosen string must be a prefix of the original string, a suffix of the original string, and also appear somewhere strictly inside the string.
codeforces competitive-programming binary-search dp hashing string-suffix-structures strings May 28, 2026