Codeforces Round 172 (Div. 2)

2 problems from Codeforces Round 172 (Div. 2) (contest 281), difficulty 800-1700. 2/2 solutions verified against sample I/O.

2 items

Codeforces Round 172 (Div. 2)

Div. 2 | 2 problems | 2/2 verified | Difficulty 800-1700 | 6m 43s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Word Capitalization	800	implementation, strings	270,813	4m 43s	✓
B	Nearest Fraction	1700	brute-force, implementation, two-pointers	3,412	2m	✓

Practice › Codeforces Solutions › Codeforces Round 172 (Div. 2) ›

CF 281A - Word Capitalization

The task is to take a single word consisting of English letters and make sure its first character is uppercase. The rest of the letters must remain exactly as they are in the input. For example, given the input "apple", the output should be "Apple".

Practice › Codeforces Solutions › Codeforces Round 172 (Div. 2) ›

CF 281B - Nearest Fraction

We are asked to approximate a given fraction $x/y$ with another fraction $a/b$ where $b$ is at most $n$. The goal is to make $ Conceptually, we are trying to find the "closest" fraction with a bounded denominator to a given fraction.