Codeforces Beta Round 73 (Div. 2 Only)

2 problems from Codeforces Beta Round 73 (Div. 2 Only) (contest 88), difficulty 1200-1500. 2/2 solutions verified against sample I/O.

2 items

Codeforces Beta Round 73 (Div. 2 Only)

Div. 2 | 2 problems | 2/2 verified | Difficulty 1200-1500 | 2m 30s

# Problem Rating Tags Accepted Time ✓
A Chord 1200 brute-force, implementation 4,089 1m 17s ✓
B Keyboard 1500 implementation 5,257 1m 13s ✓
Practice › Codeforces Solutions › Codeforces Beta Round 73 (Div. 2 Only) ›

CF 88A - Chord

We are given three musical notes, and the task is to classify the chord they form as either major, minor, or "strange". Notes are represented in the twelve-tone chromatic scale: C, C, D, D, E, F, F, G, G, A, B, H, and the scale is cyclic, so after H comes C again.
codeforces competitive-programming brute-force implementation May 28, 2026
Practice › Codeforces Solutions › Codeforces Beta Round 73 (Div. 2 Only) ›

CF 88B - Keyboard

We are given a keyboard laid out in an n by m grid. Each key contains either a lowercase Latin letter or a special "Shift" key represented by S.
codeforces competitive-programming implementation May 28, 2026