Codeforces Beta Round 97 (Div. 2)

2 problems from Codeforces Beta Round 97 (Div. 2) (contest 136), difficulty 800-1100. 2/2 solutions verified against sample I/O.

2 items

Codeforces Beta Round 97 (Div. 2)

Div. 2 | 2 problems | 2/2 verified | Difficulty 800-1100 | 2m 54s

#	Problem	Rating	Tags	Accepted	Time	✓
A	Presents	800	implementation	146,450	1m 13s	✓
B	Ternary Logic	1100	implementation, math	5,328	1m 41s	✓

Practice › Codeforces Solutions › Codeforces Beta Round 97 (Div. 2) ›

CF 136A - Presents

We are given a party scenario where Petya invited n friends, each of whom gave exactly one gift to another friend. The input lists, for each friend in order, the friend they gave a gift to.

Practice › Codeforces Solutions › Codeforces Beta Round 97 (Div. 2) ›

CF 136B - Ternary Logic

We are given two decimal integers, a and c. The computer in this problem does not use binary xor. Instead, it uses a ternary operation called tor. To apply tor, both numbers are written in base 3.