Codeforces Round 148 (Div. 2)

Solutions for Codeforces Round 148 (Div. 2) (contest 239). 1/2 problems verified against sample I/O. Difficulty range: 1200-1500.

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Codeforces Round 148 (Div. 2)

Type: Div. 2 | Problems: 2 | Verified: 1/2 | Rating range: 1200-1500 | Time: 4m 55s

Problem	Name	Rating	Tags	Solve Time	Verified
A	Two Bags of Potatoes	1200	greedy, implementation, math	1m 23s	✓
B	Easy Tape Programming	1500	brute-force, implementation	3m 32s	✗

Practice › Codeforces Solutions › Codeforces Round 148 (Div. 2) ›

CF 239A - Two Bags of Potatoes

We know the second bag contains y potatoes. The first bag originally contained some positive number x, but that value was lost. The only remaining information is that the total number of potatoes, x + y, was divisible by k and did not exceed n.

Practice › Codeforces Solutions › Codeforces Round 148 (Div. 2) ›

CF 239B - Easy Tape Programming

We are given a string consisting of digits, <, and characters. Every query selects a substring and treats it as a standalone program in a tiny tape language. The interpreter keeps two pieces of state.