Codeforces Round 712 (Div. 2)

Solutions for Codeforces Round 712 (Div. 2) (contest 1504). 1/2 problems verified against sample I/O. Difficulty range: 800-1200.

2 items

Codeforces Round 712 (Div. 2)

Type: Div. 2 | Problems: 2 | Verified: 1/2 | Rating range: 800-1200 | Time: 19m 1s

Problem	Name	Rating	Tags	Solve Time	Verified
A	D\u00e9j\u00e0 Vu	800	constructive-algorithms, strings	5m 58s	✗
B	Flip the Bits	1200	constructive-algorithms, greedy, implementation	13m 3s	✓

Practice › Codeforces Solutions › Codeforces Round 712 (Div. 2) ›

CF 1504B - Flip the Bits

The runtime error here is caused by the input format mismatch. The code assumes that the first line of input is an integer t representing the number of test cases. However, the input is: The first line is a string, not an integer.

Practice › Codeforces Solutions › Codeforces Round 712 (Div. 2) ›

CF 1504A - Déjà Vu

We are given several strings. For each string, we must insert exactly one character 'a' at some position. The new string must have length The input contains up to 10^4 test cases, and the sum of all string lengths is at most 3·10^5.