108. 1, 2, 👏, 4, 5, 👏, 7, 8, 👏, 10, 11, 12, 👏, 14, 15, 👏, ... (525 points)

Time Limit: 1 seconds

Memory Limit: 1024 MB

Rating: 1600

Problem Statement

View problem at https://contest.ianoj.com/problem/E

Input

Output

Sample Cases

    
Explanation

Sources

IanOJ Halloween Challenge 2025 > Problem E

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