Codeforces Round 251 (Div. 2)

Solutions for Codeforces Round 251 (Div. 2) (contest 439). 2/2 problems verified against sample I/O. Difficulty range: 900-1700.

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Codeforces Round 251 (Div. 2)

Type: Div. 2 | Problems: 2 | Verified: 2/2 | Rating range: 900-1700 | Time: 2m 9s

Problem	Name	Rating	Tags	Solve Time	Verified
A	Devu, the Singer and Churu, the Joker	900	greedy, implementation	1m 12s	✓
D	Devu and his Brother	1700	binary-search, sortings, ternary-search	57s	✓

Practice › Codeforces Solutions › Codeforces Round 251 (Div. 2) ›

CF 439A - Devu, the Singer and Churu, the Joker

The problem asks us to schedule an event where Devu, a singer, performs n songs of varying lengths, and Churu, a comedian, tells jokes of fixed 5-minute duration.

Practice › Codeforces Solutions › Codeforces Round 251 (Div. 2) ›

CF 439D - Devu and his Brother

We are given two integer arrays, one belonging to Devu and the other to his brother. We are allowed to repeatedly increase or decrease any single element of either array by 1 in one operation.