Codeforces Beta Round 74 (Div. 2 Only)

2 problems from Codeforces Beta Round 74 (Div. 2 Only) (contest 90), difficulty 1000-1100. 2/2 solutions verified against sample I/O.

2 items

Codeforces Beta Round 74 (Div. 2 Only)

Div. 2 | 2 problems | 2/2 verified | Difficulty 1000-1100 | 3m 17s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Cableway	1000	greedy, math	5,493	1m 33s	✓
B	African Crossword	1100	implementation, strings	5,715	1m 44s	✓

Practice › Codeforces Solutions › Codeforces Beta Round 74 (Div. 2 Only) ›

CF 90A - Cableway

The cableway sends one cablecar every minute, and the colors repeat in a fixed cycle: red - green - blue - red - ... Each cablecar can carry at most two students, and every ride takes exactly 30 minutes to reach the top. We are given three groups of students.

Practice › Codeforces Solutions › Codeforces Beta Round 74 (Div. 2 Only) ›

CF 90B - African Crossword

We are given a small grid of lowercase letters. A cell survives only if its letter is unique both inside its row and inside its column. If the same character appears somewhere else in the same row, that cell is removed.